/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 05:52:27,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 05:52:27,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 05:52:28,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 05:52:28,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 05:52:28,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 05:52:28,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 05:52:28,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 05:52:28,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 05:52:28,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 05:52:28,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 05:52:28,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 05:52:28,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 05:52:28,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 05:52:28,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 05:52:28,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 05:52:28,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 05:52:28,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 05:52:28,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 05:52:28,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 05:52:28,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 05:52:28,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 05:52:28,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 05:52:28,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 05:52:28,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 05:52:28,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 05:52:28,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 05:52:28,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 05:52:28,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 05:52:28,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 05:52:28,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 05:52:28,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 05:52:28,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 05:52:28,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 05:52:28,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 05:52:28,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 05:52:28,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 05:52:28,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 05:52:28,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 05:52:28,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 05:52:28,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 05:52:28,149 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 05:52:28,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 05:52:28,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 05:52:28,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 05:52:28,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 05:52:28,211 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 05:52:28,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 05:52:28,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 05:52:28,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 05:52:28,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 05:52:28,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 05:52:28,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 05:52:28,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 05:52:28,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 05:52:28,214 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 05:52:28,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 05:52:28,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 05:52:28,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 05:52:28,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 05:52:28,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 05:52:28,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 05:52:28,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 05:52:28,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 05:52:28,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 05:52:28,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 05:52:28,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 05:52:28,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 05:52:28,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 05:52:28,218 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 05:52:28,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 05:52:28,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 05:52:28,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 05:52:28,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 05:52:28,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 05:52:28,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 05:52:28,635 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 05:52:28,636 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 05:52:28,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-6.wvr.bpl [2021-04-29 05:52:28,638 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-6.wvr.bpl' [2021-04-29 05:52:28,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 05:52:28,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 05:52:28,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 05:52:28,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 05:52:28,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 05:52:28,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 05:52:28,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 05:52:28,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 05:52:28,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 05:52:28,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/1) ... [2021-04-29 05:52:28,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 05:52:28,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 05:52:28,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 05:52:28,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 05:52:28,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (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 [2021-04-29 05:52:28,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 05:52:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 05:52:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 05:52:28,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 05:52:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 05:52:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 05:52:28,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 05:52:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 05:52:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 05:52:28,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 05:52:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 05:52:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 05:52:28,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-04-29 05:52:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-04-29 05:52:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-04-29 05:52:28,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-04-29 05:52:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-04-29 05:52:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-04-29 05:52:28,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-04-29 05:52:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-04-29 05:52:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-04-29 05:52:28,953 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 05:52:29,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 05:52:29,320 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 05:52:29,323 INFO L202 PluginConnector]: Adding new model ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:52:29 BoogieIcfgContainer [2021-04-29 05:52:29,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 05:52:29,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 05:52:29,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 05:52:29,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 05:52:29,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:52:28" (1/2) ... [2021-04-29 05:52:29,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4374f0a8 and model type ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 05:52:29, skipping insertion in model container [2021-04-29 05:52:29,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:52:29" (2/2) ... [2021-04-29 05:52:29,333 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-6.wvr.bpl [2021-04-29 05:52:29,341 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 05:52:29,353 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 05:52:29,357 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 05:52:29,521 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-04-29 05:52:29,548 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-29 05:52:29,598 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 05:52:29,598 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 05:52:29,599 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 05:52:29,599 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 05:52:29,599 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 05:52:29,599 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 05:52:29,599 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 05:52:29,600 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 05:52:29,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 54 transitions, 156 flow [2021-04-29 05:52:29,707 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-04-29 05:52:29,708 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 05:52:29,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 48 events. 0/48 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 05:52:29,712 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 54 transitions, 156 flow [2021-04-29 05:52:29,723 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 46 transitions, 128 flow [2021-04-29 05:52:29,727 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:29,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 46 transitions, 128 flow [2021-04-29 05:52:29,760 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 46 transitions, 128 flow [2021-04-29 05:52:29,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 46 transitions, 128 flow [2021-04-29 05:52:29,812 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-04-29 05:52:29,812 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 05:52:29,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 46 events. 0/46 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 05:52:29,819 INFO L146 LiptonReduction]: Number of co-enabled transitions 1110 [2021-04-29 05:52:32,307 INFO L158 LiptonReduction]: Checked pairs total: 4949 [2021-04-29 05:52:32,308 INFO L160 LiptonReduction]: Total number of compositions: 25 [2021-04-29 05:52:32,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2586 [2021-04-29 05:52:32,333 INFO L129 PetriNetUnfolder]: 0/45 cut-off events. [2021-04-29 05:52:32,333 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 05:52:32,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:32,334 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] [2021-04-29 05:52:32,335 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:32,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:32,341 INFO L82 PathProgramCache]: Analyzing trace with hash 344281642, now seen corresponding path program 1 times [2021-04-29 05:52:32,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:32,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386026706] [2021-04-29 05:52:32,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:32,608 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-04-29 05:52:32,610 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-04-29 05:52:32,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:32,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:32,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:32,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:32,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:32,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 05:52:32,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:32,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:32,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:32,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:32,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:32,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:32,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 05:52:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:32,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386026706] [2021-04-29 05:52:32,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:32,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:52:32,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965160187] [2021-04-29 05:52:32,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:52:32,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:32,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:52:32,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:52:32,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 79 [2021-04-29 05:52:32,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 47 transitions, 130 flow. Second operand has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:32,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:32,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 79 [2021-04-29 05:52:32,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:52:51,315 INFO L129 PetriNetUnfolder]: 117503/157429 cut-off events. [2021-04-29 05:52:51,316 INFO L130 PetriNetUnfolder]: For 3138/3138 co-relation queries the response was YES. [2021-04-29 05:52:51,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309214 conditions, 157429 events. 117503/157429 cut-off events. For 3138/3138 co-relation queries the response was YES. Maximal size of possible extension queue 8929. Compared 1093559 event pairs, 57303 based on Foata normal form. 1/80628 useless extension candidates. Maximal degree in co-relation 309178. Up to 75000 conditions per place. [2021-04-29 05:52:51,927 INFO L132 encePairwiseOnDemand]: 51/79 looper letters, 28 selfloop transitions, 13 changer transitions 36/96 dead transitions. [2021-04-29 05:52:51,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 96 transitions, 382 flow [2021-04-29 05:52:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:52:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:52:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 289 transitions. [2021-04-29 05:52:51,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7316455696202532 [2021-04-29 05:52:51,944 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 289 transitions. [2021-04-29 05:52:51,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 289 transitions. [2021-04-29 05:52:51,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:52:51,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 289 transitions. [2021-04-29 05:52:51,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 57.8) internal successors, (289), 5 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:51,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:51,960 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:51,962 INFO L185 Difference]: Start difference. First operand has 66 places, 47 transitions, 130 flow. Second operand 5 states and 289 transitions. [2021-04-29 05:52:51,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 96 transitions, 382 flow [2021-04-29 05:52:53,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 96 transitions, 358 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-04-29 05:52:53,964 INFO L241 Difference]: Finished difference. Result has 61 places, 45 transitions, 174 flow [2021-04-29 05:52:53,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=174, PETRI_PLACES=61, PETRI_TRANSITIONS=45} [2021-04-29 05:52:53,967 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -5 predicate places. [2021-04-29 05:52:53,967 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:52:53,968 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 45 transitions, 174 flow [2021-04-29 05:52:53,968 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 45 transitions, 174 flow [2021-04-29 05:52:53,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 45 transitions, 174 flow [2021-04-29 05:52:54,200 INFO L129 PetriNetUnfolder]: 1019/1937 cut-off events. [2021-04-29 05:52:54,202 INFO L130 PetriNetUnfolder]: For 127/132 co-relation queries the response was YES. [2021-04-29 05:52:54,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4029 conditions, 1937 events. 1019/1937 cut-off events. For 127/132 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 13838 event pairs, 640 based on Foata normal form. 0/1701 useless extension candidates. Maximal degree in co-relation 3840. Up to 1375 conditions per place. [2021-04-29 05:52:54,246 INFO L146 LiptonReduction]: Number of co-enabled transitions 596 [2021-04-29 05:52:54,261 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:52:54,262 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:52:54,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 295 [2021-04-29 05:52:54,267 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 174 flow [2021-04-29 05:52:54,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:54,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:52:54,269 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] [2021-04-29 05:52:54,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 05:52:54,269 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:52:54,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:52:54,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1237883890, now seen corresponding path program 2 times [2021-04-29 05:52:54,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:52:54,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747155706] [2021-04-29 05:52:54,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:52:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:52:54,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:52:54,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:54,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:54,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:52:54,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:52:54,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:52:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:52:54,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747155706] [2021-04-29 05:52:54,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:52:54,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:52:54,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372502775] [2021-04-29 05:52:54,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:52:54,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:52:54,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:52:54,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:52:54,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:52:54,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 174 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:52:54,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:52:54,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:52:54,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:00,753 INFO L129 PetriNetUnfolder]: 59519/78857 cut-off events. [2021-04-29 05:53:00,753 INFO L130 PetriNetUnfolder]: For 43160/44186 co-relation queries the response was YES. [2021-04-29 05:53:00,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214763 conditions, 78857 events. 59519/78857 cut-off events. For 43160/44186 co-relation queries the response was YES. Maximal size of possible extension queue 4308. Compared 501691 event pairs, 18888 based on Foata normal form. 2964/78111 useless extension candidates. Maximal degree in co-relation 214297. Up to 27823 conditions per place. [2021-04-29 05:53:01,065 INFO L132 encePairwiseOnDemand]: 65/79 looper letters, 31 selfloop transitions, 45 changer transitions 27/116 dead transitions. [2021-04-29 05:53:01,066 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 116 transitions, 644 flow [2021-04-29 05:53:01,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:53:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:53:01,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 292 transitions. [2021-04-29 05:53:01,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6160337552742616 [2021-04-29 05:53:01,070 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 292 transitions. [2021-04-29 05:53:01,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 292 transitions. [2021-04-29 05:53:01,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:01,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 292 transitions. [2021-04-29 05:53:01,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 48.666666666666664) internal successors, (292), 6 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:01,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:01,076 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:01,076 INFO L185 Difference]: Start difference. First operand has 48 places, 45 transitions, 174 flow. Second operand 6 states and 292 transitions. [2021-04-29 05:53:01,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 116 transitions, 644 flow [2021-04-29 05:53:01,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 116 transitions, 602 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-29 05:53:01,093 INFO L241 Difference]: Finished difference. Result has 51 places, 76 transitions, 457 flow [2021-04-29 05:53:01,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=457, PETRI_PLACES=51, PETRI_TRANSITIONS=76} [2021-04-29 05:53:01,094 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -15 predicate places. [2021-04-29 05:53:01,094 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:01,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 76 transitions, 457 flow [2021-04-29 05:53:01,095 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 76 transitions, 457 flow [2021-04-29 05:53:01,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 76 transitions, 457 flow [2021-04-29 05:53:02,100 INFO L129 PetriNetUnfolder]: 6854/10053 cut-off events. [2021-04-29 05:53:02,100 INFO L130 PetriNetUnfolder]: For 6479/7071 co-relation queries the response was YES. [2021-04-29 05:53:02,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32057 conditions, 10053 events. 6854/10053 cut-off events. For 6479/7071 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 62489 event pairs, 1848 based on Foata normal form. 277/10266 useless extension candidates. Maximal degree in co-relation 31592. Up to 5473 conditions per place. [2021-04-29 05:53:02,206 INFO L146 LiptonReduction]: Number of co-enabled transitions 522 [2021-04-29 05:53:02,241 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:02,242 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:02,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1148 [2021-04-29 05:53:02,244 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 76 transitions, 457 flow [2021-04-29 05:53:02,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:02,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:02,245 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] [2021-04-29 05:53:02,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 05:53:02,245 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:02,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:02,246 INFO L82 PathProgramCache]: Analyzing trace with hash 151091302, now seen corresponding path program 3 times [2021-04-29 05:53:02,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:02,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784283717] [2021-04-29 05:53:02,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:02,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:02,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:02,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:02,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:02,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:02,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:02,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784283717] [2021-04-29 05:53:02,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:02,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:53:02,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700587845] [2021-04-29 05:53:02,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:53:02,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:02,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:53:02,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:53:02,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:53:02,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 76 transitions, 457 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:02,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:02,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:53:02,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:03,552 INFO L129 PetriNetUnfolder]: 8628/12043 cut-off events. [2021-04-29 05:53:03,553 INFO L130 PetriNetUnfolder]: For 11286/13065 co-relation queries the response was YES. [2021-04-29 05:53:03,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50104 conditions, 12043 events. 8628/12043 cut-off events. For 11286/13065 co-relation queries the response was YES. Maximal size of possible extension queue 861. Compared 68035 event pairs, 1464 based on Foata normal form. 89/12098 useless extension candidates. Maximal degree in co-relation 49792. Up to 11174 conditions per place. [2021-04-29 05:53:03,639 INFO L132 encePairwiseOnDemand]: 67/79 looper letters, 73 selfloop transitions, 46 changer transitions 0/132 dead transitions. [2021-04-29 05:53:03,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 132 transitions, 1070 flow [2021-04-29 05:53:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:53:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:53:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-04-29 05:53:03,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5518987341772152 [2021-04-29 05:53:03,643 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-04-29 05:53:03,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-04-29 05:53:03,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:03,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-04-29 05:53:03,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:03,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:03,647 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:03,647 INFO L185 Difference]: Start difference. First operand has 44 places, 76 transitions, 457 flow. Second operand 5 states and 218 transitions. [2021-04-29 05:53:03,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 132 transitions, 1070 flow [2021-04-29 05:53:03,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 132 transitions, 1039 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-04-29 05:53:03,665 INFO L241 Difference]: Finished difference. Result has 49 places, 115 transitions, 905 flow [2021-04-29 05:53:03,665 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=905, PETRI_PLACES=49, PETRI_TRANSITIONS=115} [2021-04-29 05:53:03,665 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -17 predicate places. [2021-04-29 05:53:03,666 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:03,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 115 transitions, 905 flow [2021-04-29 05:53:03,666 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 115 transitions, 905 flow [2021-04-29 05:53:03,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 115 transitions, 905 flow [2021-04-29 05:53:04,318 INFO L129 PetriNetUnfolder]: 7098/10629 cut-off events. [2021-04-29 05:53:04,319 INFO L130 PetriNetUnfolder]: For 15310/15550 co-relation queries the response was YES. [2021-04-29 05:53:04,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37138 conditions, 10629 events. 7098/10629 cut-off events. For 15310/15550 co-relation queries the response was YES. Maximal size of possible extension queue 807. Compared 68574 event pairs, 1256 based on Foata normal form. 97/10606 useless extension candidates. Maximal degree in co-relation 36619. Up to 5605 conditions per place. [2021-04-29 05:53:04,426 INFO L146 LiptonReduction]: Number of co-enabled transitions 640 [2021-04-29 05:53:05,131 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:05,132 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:05,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1466 [2021-04-29 05:53:05,134 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 115 transitions, 905 flow [2021-04-29 05:53:05,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:05,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:05,134 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] [2021-04-29 05:53:05,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 05:53:05,135 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:05,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:05,136 INFO L82 PathProgramCache]: Analyzing trace with hash -289471862, now seen corresponding path program 4 times [2021-04-29 05:53:05,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:05,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675880021] [2021-04-29 05:53:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:05,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:05,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:05,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:05,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:05,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:05,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:05,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:05,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:05,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:05,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:05,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:05,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:05,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:05,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:05,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:05,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:05,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675880021] [2021-04-29 05:53:05,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:05,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:53:05,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512408044] [2021-04-29 05:53:05,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:53:05,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:05,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:53:05,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:53:05,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:53:05,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 115 transitions, 905 flow. Second operand has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:05,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:05,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:53:05,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:06,783 INFO L129 PetriNetUnfolder]: 11502/16471 cut-off events. [2021-04-29 05:53:06,783 INFO L130 PetriNetUnfolder]: For 26195/27544 co-relation queries the response was YES. [2021-04-29 05:53:06,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71234 conditions, 16471 events. 11502/16471 cut-off events. For 26195/27544 co-relation queries the response was YES. Maximal size of possible extension queue 1202. Compared 102304 event pairs, 1509 based on Foata normal form. 246/16678 useless extension candidates. Maximal degree in co-relation 70650. Up to 8445 conditions per place. [2021-04-29 05:53:06,896 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 35 selfloop transitions, 301 changer transitions 0/349 dead transitions. [2021-04-29 05:53:06,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 349 transitions, 3441 flow [2021-04-29 05:53:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:53:06,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:53:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 364 transitions. [2021-04-29 05:53:06,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5759493670886076 [2021-04-29 05:53:06,900 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 364 transitions. [2021-04-29 05:53:06,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 364 transitions. [2021-04-29 05:53:06,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:06,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 364 transitions. [2021-04-29 05:53:06,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 45.5) internal successors, (364), 8 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:06,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:06,905 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:06,905 INFO L185 Difference]: Start difference. First operand has 49 places, 115 transitions, 905 flow. Second operand 8 states and 364 transitions. [2021-04-29 05:53:06,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 349 transitions, 3441 flow [2021-04-29 05:53:06,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 349 transitions, 3434 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 05:53:06,943 INFO L241 Difference]: Finished difference. Result has 58 places, 334 transitions, 3778 flow [2021-04-29 05:53:06,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3778, PETRI_PLACES=58, PETRI_TRANSITIONS=334} [2021-04-29 05:53:06,944 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -8 predicate places. [2021-04-29 05:53:06,944 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:06,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 334 transitions, 3778 flow [2021-04-29 05:53:06,944 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 334 transitions, 3778 flow [2021-04-29 05:53:06,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 334 transitions, 3778 flow [2021-04-29 05:53:08,343 INFO L129 PetriNetUnfolder]: 9604/13992 cut-off events. [2021-04-29 05:53:08,343 INFO L130 PetriNetUnfolder]: For 41721/43176 co-relation queries the response was YES. [2021-04-29 05:53:08,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71890 conditions, 13992 events. 9604/13992 cut-off events. For 41721/43176 co-relation queries the response was YES. Maximal size of possible extension queue 1060. Compared 89135 event pairs, 1067 based on Foata normal form. 418/14228 useless extension candidates. Maximal degree in co-relation 71497. Up to 8014 conditions per place. [2021-04-29 05:53:08,469 INFO L146 LiptonReduction]: Number of co-enabled transitions 1502 [2021-04-29 05:53:09,249 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:09,249 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:09,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2306 [2021-04-29 05:53:09,251 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 334 transitions, 3778 flow [2021-04-29 05:53:09,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:09,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:09,252 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] [2021-04-29 05:53:09,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 05:53:09,253 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:09,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:09,253 INFO L82 PathProgramCache]: Analyzing trace with hash -852473424, now seen corresponding path program 5 times [2021-04-29 05:53:09,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:09,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989229860] [2021-04-29 05:53:09,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:09,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:09,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:09,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:09,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:09,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:09,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:09,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:09,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:09,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:09,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:09,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:09,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:09,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:09,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:09,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:09,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:09,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989229860] [2021-04-29 05:53:09,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:09,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:53:09,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962076616] [2021-04-29 05:53:09,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:53:09,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:09,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:53:09,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:53:09,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:53:09,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 334 transitions, 3778 flow. Second operand has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:09,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:09,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:53:09,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:12,197 INFO L129 PetriNetUnfolder]: 13570/19597 cut-off events. [2021-04-29 05:53:12,198 INFO L130 PetriNetUnfolder]: For 60095/64977 co-relation queries the response was YES. [2021-04-29 05:53:12,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116877 conditions, 19597 events. 13570/19597 cut-off events. For 60095/64977 co-relation queries the response was YES. Maximal size of possible extension queue 1482. Compared 127108 event pairs, 1517 based on Foata normal form. 342/19900 useless extension candidates. Maximal degree in co-relation 116248. Up to 10290 conditions per place. [2021-04-29 05:53:12,369 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 86 selfloop transitions, 400 changer transitions 0/499 dead transitions. [2021-04-29 05:53:12,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 499 transitions, 6567 flow [2021-04-29 05:53:12,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 05:53:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 05:53:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 316 transitions. [2021-04-29 05:53:12,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2021-04-29 05:53:12,372 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 316 transitions. [2021-04-29 05:53:12,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 316 transitions. [2021-04-29 05:53:12,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:12,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 316 transitions. [2021-04-29 05:53:12,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 45.142857142857146) internal successors, (316), 7 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:12,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:12,376 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:12,377 INFO L185 Difference]: Start difference. First operand has 58 places, 334 transitions, 3778 flow. Second operand 7 states and 316 transitions. [2021-04-29 05:53:12,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 499 transitions, 6567 flow [2021-04-29 05:53:12,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 499 transitions, 6444 flow, removed 58 selfloop flow, removed 1 redundant places. [2021-04-29 05:53:12,651 INFO L241 Difference]: Finished difference. Result has 66 places, 486 transitions, 6925 flow [2021-04-29 05:53:12,652 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=3703, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=6925, PETRI_PLACES=66, PETRI_TRANSITIONS=486} [2021-04-29 05:53:12,652 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 0 predicate places. [2021-04-29 05:53:12,653 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:12,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 486 transitions, 6925 flow [2021-04-29 05:53:12,653 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 486 transitions, 6925 flow [2021-04-29 05:53:12,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 486 transitions, 6925 flow [2021-04-29 05:53:14,648 INFO L129 PetriNetUnfolder]: 11396/16765 cut-off events. [2021-04-29 05:53:14,648 INFO L130 PetriNetUnfolder]: For 78294/83244 co-relation queries the response was YES. [2021-04-29 05:53:14,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104544 conditions, 16765 events. 11396/16765 cut-off events. For 78294/83244 co-relation queries the response was YES. Maximal size of possible extension queue 1401. Compared 113185 event pairs, 1006 based on Foata normal form. 761/17310 useless extension candidates. Maximal degree in co-relation 104024. Up to 9909 conditions per place. [2021-04-29 05:53:14,858 INFO L146 LiptonReduction]: Number of co-enabled transitions 1912 [2021-04-29 05:53:17,660 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:17,661 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:17,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5008 [2021-04-29 05:53:17,662 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 486 transitions, 6925 flow [2021-04-29 05:53:17,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:17,663 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:17,663 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] [2021-04-29 05:53:17,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 05:53:17,664 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:17,664 INFO L82 PathProgramCache]: Analyzing trace with hash 159046324, now seen corresponding path program 6 times [2021-04-29 05:53:17,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:17,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812442787] [2021-04-29 05:53:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:17,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:17,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:17,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:17,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:17,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:17,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:17,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:17,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:17,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:17,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:17,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:17,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:17,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:17,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:17,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812442787] [2021-04-29 05:53:17,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:17,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:53:17,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897303732] [2021-04-29 05:53:17,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:53:17,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:17,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:53:17,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:53:17,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:53:17,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 486 transitions, 6925 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:17,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:17,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:53:17,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:21,291 INFO L129 PetriNetUnfolder]: 14590/21043 cut-off events. [2021-04-29 05:53:21,291 INFO L130 PetriNetUnfolder]: For 100311/109290 co-relation queries the response was YES. [2021-04-29 05:53:21,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148222 conditions, 21043 events. 14590/21043 cut-off events. For 100311/109290 co-relation queries the response was YES. Maximal size of possible extension queue 1607. Compared 138074 event pairs, 1885 based on Foata normal form. 526/21527 useless extension candidates. Maximal degree in co-relation 147650. Up to 11219 conditions per place. [2021-04-29 05:53:21,749 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 205 selfloop transitions, 407 changer transitions 0/625 dead transitions. [2021-04-29 05:53:21,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 625 transitions, 10271 flow [2021-04-29 05:53:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:53:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:53:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 268 transitions. [2021-04-29 05:53:21,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5654008438818565 [2021-04-29 05:53:21,752 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 268 transitions. [2021-04-29 05:53:21,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 268 transitions. [2021-04-29 05:53:21,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:21,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 268 transitions. [2021-04-29 05:53:21,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.666666666666664) internal successors, (268), 6 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:21,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:21,755 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:21,756 INFO L185 Difference]: Start difference. First operand has 66 places, 486 transitions, 6925 flow. Second operand 6 states and 268 transitions. [2021-04-29 05:53:21,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 625 transitions, 10271 flow [2021-04-29 05:53:22,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 625 transitions, 10264 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 05:53:22,082 INFO L241 Difference]: Finished difference. Result has 71 places, 599 transitions, 9796 flow [2021-04-29 05:53:22,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=6918, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=294, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9796, PETRI_PLACES=71, PETRI_TRANSITIONS=599} [2021-04-29 05:53:22,083 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 5 predicate places. [2021-04-29 05:53:22,083 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:22,083 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 599 transitions, 9796 flow [2021-04-29 05:53:22,084 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 599 transitions, 9796 flow [2021-04-29 05:53:22,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 599 transitions, 9796 flow [2021-04-29 05:53:24,584 INFO L129 PetriNetUnfolder]: 12347/18224 cut-off events. [2021-04-29 05:53:24,585 INFO L130 PetriNetUnfolder]: For 119572/126117 co-relation queries the response was YES. [2021-04-29 05:53:24,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124511 conditions, 18224 events. 12347/18224 cut-off events. For 119572/126117 co-relation queries the response was YES. Maximal size of possible extension queue 1478. Compared 125171 event pairs, 1178 based on Foata normal form. 1102/19070 useless extension candidates. Maximal degree in co-relation 123918. Up to 10905 conditions per place. [2021-04-29 05:53:24,781 INFO L146 LiptonReduction]: Number of co-enabled transitions 2090 [2021-04-29 05:53:26,815 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:26,816 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:26,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4733 [2021-04-29 05:53:26,817 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 599 transitions, 9796 flow [2021-04-29 05:53:26,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:26,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:26,818 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] [2021-04-29 05:53:26,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 05:53:26,818 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:26,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:26,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2127761222, now seen corresponding path program 7 times [2021-04-29 05:53:26,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:26,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159174314] [2021-04-29 05:53:26,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:26,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:26,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:26,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:26,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:26,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:26,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:26,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159174314] [2021-04-29 05:53:26,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:26,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:53:26,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674506947] [2021-04-29 05:53:26,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:53:26,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:26,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:53:26,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:53:26,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:53:26,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 599 transitions, 9796 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:26,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:26,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:53:26,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:30,932 INFO L129 PetriNetUnfolder]: 14826/21365 cut-off events. [2021-04-29 05:53:30,932 INFO L130 PetriNetUnfolder]: For 125033/134161 co-relation queries the response was YES. [2021-04-29 05:53:31,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162680 conditions, 21365 events. 14826/21365 cut-off events. For 125033/134161 co-relation queries the response was YES. Maximal size of possible extension queue 1659. Compared 140477 event pairs, 2522 based on Foata normal form. 285/21611 useless extension candidates. Maximal degree in co-relation 162141. Up to 19510 conditions per place. [2021-04-29 05:53:31,393 INFO L132 encePairwiseOnDemand]: 67/79 looper letters, 417 selfloop transitions, 280 changer transitions 0/710 dead transitions. [2021-04-29 05:53:31,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 710 transitions, 13071 flow [2021-04-29 05:53:31,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:53:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:53:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-04-29 05:53:31,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5518987341772152 [2021-04-29 05:53:31,395 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-04-29 05:53:31,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-04-29 05:53:31,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:31,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-04-29 05:53:31,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:31,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:31,397 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:31,397 INFO L185 Difference]: Start difference. First operand has 71 places, 599 transitions, 9796 flow. Second operand 5 states and 218 transitions. [2021-04-29 05:53:31,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 710 transitions, 13071 flow [2021-04-29 05:53:31,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 710 transitions, 12548 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:53:31,754 INFO L241 Difference]: Finished difference. Result has 73 places, 677 transitions, 11469 flow [2021-04-29 05:53:31,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=9352, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=11469, PETRI_PLACES=73, PETRI_TRANSITIONS=677} [2021-04-29 05:53:31,754 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 7 predicate places. [2021-04-29 05:53:31,754 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:31,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 677 transitions, 11469 flow [2021-04-29 05:53:31,755 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 677 transitions, 11469 flow [2021-04-29 05:53:31,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 677 transitions, 11469 flow [2021-04-29 05:53:34,170 INFO L129 PetriNetUnfolder]: 12523/18705 cut-off events. [2021-04-29 05:53:34,170 INFO L130 PetriNetUnfolder]: For 122422/127963 co-relation queries the response was YES. [2021-04-29 05:53:34,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122412 conditions, 18705 events. 12523/18705 cut-off events. For 122422/127963 co-relation queries the response was YES. Maximal size of possible extension queue 1537. Compared 130651 event pairs, 1098 based on Foata normal form. 911/19328 useless extension candidates. Maximal degree in co-relation 121618. Up to 11056 conditions per place. [2021-04-29 05:53:34,575 INFO L146 LiptonReduction]: Number of co-enabled transitions 2200 [2021-04-29 05:53:36,790 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:36,790 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:36,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5036 [2021-04-29 05:53:36,792 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 677 transitions, 11469 flow [2021-04-29 05:53:36,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:36,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:36,792 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] [2021-04-29 05:53:36,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 05:53:36,792 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:36,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:36,793 INFO L82 PathProgramCache]: Analyzing trace with hash -366140100, now seen corresponding path program 8 times [2021-04-29 05:53:36,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:36,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093294942] [2021-04-29 05:53:36,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:36,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:36,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:36,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:36,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:36,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:36,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:36,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:36,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:36,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:36,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:36,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093294942] [2021-04-29 05:53:36,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:36,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:53:36,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949976851] [2021-04-29 05:53:36,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:53:36,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:36,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:53:36,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:53:36,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:53:36,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 677 transitions, 11469 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:36,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:36,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:53:36,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:41,922 INFO L129 PetriNetUnfolder]: 15737/22984 cut-off events. [2021-04-29 05:53:41,923 INFO L130 PetriNetUnfolder]: For 151342/160679 co-relation queries the response was YES. [2021-04-29 05:53:41,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170601 conditions, 22984 events. 15737/22984 cut-off events. For 151342/160679 co-relation queries the response was YES. Maximal size of possible extension queue 1788. Compared 156565 event pairs, 1997 based on Foata normal form. 829/23774 useless extension candidates. Maximal degree in co-relation 169939. Up to 12055 conditions per place. [2021-04-29 05:53:42,109 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 210 selfloop transitions, 694 changer transitions 0/917 dead transitions. [2021-04-29 05:53:42,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 917 transitions, 17749 flow [2021-04-29 05:53:42,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:53:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:53:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 268 transitions. [2021-04-29 05:53:42,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5654008438818565 [2021-04-29 05:53:42,111 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 268 transitions. [2021-04-29 05:53:42,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 268 transitions. [2021-04-29 05:53:42,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:42,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 268 transitions. [2021-04-29 05:53:42,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.666666666666664) internal successors, (268), 6 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:42,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:42,113 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:42,113 INFO L185 Difference]: Start difference. First operand has 73 places, 677 transitions, 11469 flow. Second operand 6 states and 268 transitions. [2021-04-29 05:53:42,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 917 transitions, 17749 flow [2021-04-29 05:53:42,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 917 transitions, 17338 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:53:42,479 INFO L241 Difference]: Finished difference. Result has 77 places, 892 transitions, 17097 flow [2021-04-29 05:53:42,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=11192, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=479, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=17097, PETRI_PLACES=77, PETRI_TRANSITIONS=892} [2021-04-29 05:53:42,480 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 11 predicate places. [2021-04-29 05:53:42,480 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:42,480 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 892 transitions, 17097 flow [2021-04-29 05:53:42,481 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 892 transitions, 17097 flow [2021-04-29 05:53:42,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 892 transitions, 17097 flow [2021-04-29 05:53:45,851 INFO L129 PetriNetUnfolder]: 13303/19729 cut-off events. [2021-04-29 05:53:45,851 INFO L130 PetriNetUnfolder]: For 155763/162807 co-relation queries the response was YES. [2021-04-29 05:53:45,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143406 conditions, 19729 events. 13303/19729 cut-off events. For 155763/162807 co-relation queries the response was YES. Maximal size of possible extension queue 1593. Compared 137688 event pairs, 1165 based on Foata normal form. 1310/20861 useless extension candidates. Maximal degree in co-relation 142627. Up to 11804 conditions per place. [2021-04-29 05:53:46,071 INFO L146 LiptonReduction]: Number of co-enabled transitions 2446 [2021-04-29 05:53:47,951 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:53:47,951 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:53:47,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5471 [2021-04-29 05:53:47,952 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 892 transitions, 17097 flow [2021-04-29 05:53:47,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:47,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:53:47,953 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] [2021-04-29 05:53:47,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 05:53:47,953 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:53:47,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:53:47,954 INFO L82 PathProgramCache]: Analyzing trace with hash 2107614928, now seen corresponding path program 9 times [2021-04-29 05:53:47,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:53:47,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990698226] [2021-04-29 05:53:47,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:53:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:53:47,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:47,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:53:47,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:47,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:53:48,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:53:48,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:53:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:53:48,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990698226] [2021-04-29 05:53:48,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:53:48,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:53:48,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509780740] [2021-04-29 05:53:48,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:53:48,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:53:48,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:53:48,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:53:48,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:53:48,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 892 transitions, 17097 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:48,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:53:48,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:53:48,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:53:54,751 INFO L129 PetriNetUnfolder]: 16385/24029 cut-off events. [2021-04-29 05:53:54,752 INFO L130 PetriNetUnfolder]: For 193044/204224 co-relation queries the response was YES. [2021-04-29 05:53:54,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193013 conditions, 24029 events. 16385/24029 cut-off events. For 193044/204224 co-relation queries the response was YES. Maximal size of possible extension queue 1926. Compared 166284 event pairs, 2021 based on Foata normal form. 661/24641 useless extension candidates. Maximal degree in co-relation 192379. Up to 12576 conditions per place. [2021-04-29 05:53:54,976 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 210 selfloop transitions, 832 changer transitions 0/1055 dead transitions. [2021-04-29 05:53:54,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 1055 transitions, 22500 flow [2021-04-29 05:53:54,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:53:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:53:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 268 transitions. [2021-04-29 05:53:54,978 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5654008438818565 [2021-04-29 05:53:54,978 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 268 transitions. [2021-04-29 05:53:54,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 268 transitions. [2021-04-29 05:53:54,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:53:54,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 268 transitions. [2021-04-29 05:53:54,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.666666666666664) internal successors, (268), 6 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:54,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:54,981 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:53:54,981 INFO L185 Difference]: Start difference. First operand has 77 places, 892 transitions, 17097 flow. Second operand 6 states and 268 transitions. [2021-04-29 05:53:54,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 1055 transitions, 22500 flow [2021-04-29 05:53:55,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 1055 transitions, 21631 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:53:55,600 INFO L241 Difference]: Finished difference. Result has 80 places, 1032 transitions, 21413 flow [2021-04-29 05:53:55,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=16276, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=888, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=688, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=21413, PETRI_PLACES=80, PETRI_TRANSITIONS=1032} [2021-04-29 05:53:55,601 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 14 predicate places. [2021-04-29 05:53:55,601 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:53:55,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 1032 transitions, 21413 flow [2021-04-29 05:53:55,602 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 1032 transitions, 21413 flow [2021-04-29 05:53:55,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 1032 transitions, 21413 flow [2021-04-29 05:53:59,693 INFO L129 PetriNetUnfolder]: 13814/20505 cut-off events. [2021-04-29 05:53:59,693 INFO L130 PetriNetUnfolder]: For 204088/213415 co-relation queries the response was YES. [2021-04-29 05:53:59,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156987 conditions, 20505 events. 13814/20505 cut-off events. For 204088/213415 co-relation queries the response was YES. Maximal size of possible extension queue 1748. Compared 144864 event pairs, 1072 based on Foata normal form. 1488/21786 useless extension candidates. Maximal degree in co-relation 156277. Up to 12304 conditions per place. [2021-04-29 05:53:59,909 INFO L146 LiptonReduction]: Number of co-enabled transitions 2518 [2021-04-29 05:54:01,784 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:01,784 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:01,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6183 [2021-04-29 05:54:01,785 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 1032 transitions, 21413 flow [2021-04-29 05:54:01,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:01,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:01,786 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] [2021-04-29 05:54:01,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 05:54:01,786 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:01,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:01,787 INFO L82 PathProgramCache]: Analyzing trace with hash 67938562, now seen corresponding path program 10 times [2021-04-29 05:54:01,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:01,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185346849] [2021-04-29 05:54:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:01,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:01,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:01,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:01,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:01,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:01,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185346849] [2021-04-29 05:54:01,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:01,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:54:01,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372467769] [2021-04-29 05:54:01,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:54:01,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:01,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:54:01,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:54:01,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:54:01,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 1032 transitions, 21413 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:01,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:01,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:54:01,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:09,368 INFO L129 PetriNetUnfolder]: 16500/24218 cut-off events. [2021-04-29 05:54:09,369 INFO L130 PetriNetUnfolder]: For 225905/237111 co-relation queries the response was YES. [2021-04-29 05:54:09,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201765 conditions, 24218 events. 16500/24218 cut-off events. For 225905/237111 co-relation queries the response was YES. Maximal size of possible extension queue 1939. Compared 168381 event pairs, 2726 based on Foata normal form. 332/24509 useless extension candidates. Maximal degree in co-relation 201184. Up to 21483 conditions per place. [2021-04-29 05:54:09,567 INFO L132 encePairwiseOnDemand]: 67/79 looper letters, 554 selfloop transitions, 620 changer transitions 0/1187 dead transitions. [2021-04-29 05:54:09,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 1187 transitions, 27225 flow [2021-04-29 05:54:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:54:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:54:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-04-29 05:54:09,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5518987341772152 [2021-04-29 05:54:09,569 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-04-29 05:54:09,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-04-29 05:54:09,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:09,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-04-29 05:54:09,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:09,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:09,571 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:09,572 INFO L185 Difference]: Start difference. First operand has 80 places, 1032 transitions, 21413 flow. Second operand 5 states and 218 transitions. [2021-04-29 05:54:09,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 1187 transitions, 27225 flow [2021-04-29 05:54:10,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 1187 transitions, 26230 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:54:10,072 INFO L241 Difference]: Finished difference. Result has 82 places, 1158 transitions, 25077 flow [2021-04-29 05:54:10,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=20500, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1030, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=492, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=25077, PETRI_PLACES=82, PETRI_TRANSITIONS=1158} [2021-04-29 05:54:10,073 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 16 predicate places. [2021-04-29 05:54:10,073 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:10,073 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 1158 transitions, 25077 flow [2021-04-29 05:54:10,074 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 1158 transitions, 25077 flow [2021-04-29 05:54:10,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 1158 transitions, 25077 flow [2021-04-29 05:54:14,382 INFO L129 PetriNetUnfolder]: 13842/20750 cut-off events. [2021-04-29 05:54:14,382 INFO L130 PetriNetUnfolder]: For 233920/243115 co-relation queries the response was YES. [2021-04-29 05:54:14,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152814 conditions, 20750 events. 13842/20750 cut-off events. For 233920/243115 co-relation queries the response was YES. Maximal size of possible extension queue 1692. Compared 148963 event pairs, 1185 based on Foata normal form. 1352/21870 useless extension candidates. Maximal degree in co-relation 152173. Up to 12302 conditions per place. [2021-04-29 05:54:14,599 INFO L146 LiptonReduction]: Number of co-enabled transitions 2590 [2021-04-29 05:54:16,308 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:16,309 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:16,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6236 [2021-04-29 05:54:16,310 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 1158 transitions, 25077 flow [2021-04-29 05:54:16,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:16,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:16,310 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] [2021-04-29 05:54:16,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 05:54:16,311 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:16,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:16,311 INFO L82 PathProgramCache]: Analyzing trace with hash -878618708, now seen corresponding path program 11 times [2021-04-29 05:54:16,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:16,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194144641] [2021-04-29 05:54:16,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:16,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:16,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:16,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:16,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:16,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:16,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:16,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:54:16,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:16,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:16,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:16,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:16,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:16,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194144641] [2021-04-29 05:54:16,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:16,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:54:16,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784320295] [2021-04-29 05:54:16,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:54:16,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:16,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:54:16,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:54:16,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:54:16,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 1158 transitions, 25077 flow. Second operand has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:16,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:16,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:54:16,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:25,819 INFO L129 PetriNetUnfolder]: 18426/27557 cut-off events. [2021-04-29 05:54:25,819 INFO L130 PetriNetUnfolder]: For 231261/242185 co-relation queries the response was YES. [2021-04-29 05:54:25,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216719 conditions, 27557 events. 18426/27557 cut-off events. For 231261/242185 co-relation queries the response was YES. Maximal size of possible extension queue 2198. Compared 199541 event pairs, 454 based on Foata normal form. 785/28301 useless extension candidates. Maximal degree in co-relation 215849. Up to 14553 conditions per place. [2021-04-29 05:54:26,047 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 63 selfloop transitions, 1270 changer transitions 0/1346 dead transitions. [2021-04-29 05:54:26,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 1346 transitions, 30175 flow [2021-04-29 05:54:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:54:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:54:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 364 transitions. [2021-04-29 05:54:26,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5759493670886076 [2021-04-29 05:54:26,049 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 364 transitions. [2021-04-29 05:54:26,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 364 transitions. [2021-04-29 05:54:26,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:26,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 364 transitions. [2021-04-29 05:54:26,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 45.5) internal successors, (364), 8 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:26,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:26,052 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:26,053 INFO L185 Difference]: Start difference. First operand has 82 places, 1158 transitions, 25077 flow. Second operand 8 states and 364 transitions. [2021-04-29 05:54:26,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 1346 transitions, 30175 flow [2021-04-29 05:54:26,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 1346 transitions, 29558 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:54:26,579 INFO L241 Difference]: Finished difference. Result has 90 places, 1316 transitions, 30602 flow [2021-04-29 05:54:26,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=24460, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30602, PETRI_PLACES=90, PETRI_TRANSITIONS=1316} [2021-04-29 05:54:26,580 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 24 predicate places. [2021-04-29 05:54:26,581 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:26,581 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 1316 transitions, 30602 flow [2021-04-29 05:54:26,581 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 1316 transitions, 30602 flow [2021-04-29 05:54:26,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 1316 transitions, 30602 flow [2021-04-29 05:54:32,510 INFO L129 PetriNetUnfolder]: 16044/24001 cut-off events. [2021-04-29 05:54:32,511 INFO L130 PetriNetUnfolder]: For 359587/370479 co-relation queries the response was YES. [2021-04-29 05:54:32,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202582 conditions, 24001 events. 16044/24001 cut-off events. For 359587/370479 co-relation queries the response was YES. Maximal size of possible extension queue 1903. Compared 172663 event pairs, 415 based on Foata normal form. 1838/25795 useless extension candidates. Maximal degree in co-relation 201750. Up to 14550 conditions per place. [2021-04-29 05:54:32,794 INFO L146 LiptonReduction]: Number of co-enabled transitions 3092 [2021-04-29 05:54:39,720 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:54:39,720 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:54:39,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13139 [2021-04-29 05:54:39,722 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 1316 transitions, 30602 flow [2021-04-29 05:54:39,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:39,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:54:39,723 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] [2021-04-29 05:54:39,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 05:54:39,723 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:54:39,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:54:39,723 INFO L82 PathProgramCache]: Analyzing trace with hash -417226694, now seen corresponding path program 12 times [2021-04-29 05:54:39,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:54:39,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042379304] [2021-04-29 05:54:39,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:54:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:54:39,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:39,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:54:39,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:39,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:39,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:39,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:54:39,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:54:39,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:54:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:54:39,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042379304] [2021-04-29 05:54:39,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:54:39,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:54:39,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318500129] [2021-04-29 05:54:39,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:54:39,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:54:39,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:54:39,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:54:39,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:54:39,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 1316 transitions, 30602 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:39,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:54:39,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:54:39,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:54:50,964 INFO L129 PetriNetUnfolder]: 18432/27421 cut-off events. [2021-04-29 05:54:50,965 INFO L130 PetriNetUnfolder]: For 341862/353572 co-relation queries the response was YES. [2021-04-29 05:54:51,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252200 conditions, 27421 events. 18432/27421 cut-off events. For 341862/353572 co-relation queries the response was YES. Maximal size of possible extension queue 2181. Compared 197819 event pairs, 1592 based on Foata normal form. 288/27666 useless extension candidates. Maximal degree in co-relation 251539. Up to 24453 conditions per place. [2021-04-29 05:54:51,439 INFO L132 encePairwiseOnDemand]: 67/79 looper letters, 712 selfloop transitions, 708 changer transitions 0/1433 dead transitions. [2021-04-29 05:54:51,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 1433 transitions, 36397 flow [2021-04-29 05:54:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:54:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:54:51,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-04-29 05:54:51,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5518987341772152 [2021-04-29 05:54:51,441 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-04-29 05:54:51,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-04-29 05:54:51,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:54:51,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-04-29 05:54:51,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:51,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:51,443 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:54:51,444 INFO L185 Difference]: Start difference. First operand has 90 places, 1316 transitions, 30602 flow. Second operand 5 states and 218 transitions. [2021-04-29 05:54:51,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 1433 transitions, 36397 flow [2021-04-29 05:54:52,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 1433 transitions, 36101 flow, removed 75 selfloop flow, removed 2 redundant places. [2021-04-29 05:54:52,995 INFO L241 Difference]: Finished difference. Result has 93 places, 1408 transitions, 34636 flow [2021-04-29 05:54:52,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=30199, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=612, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=34636, PETRI_PLACES=93, PETRI_TRANSITIONS=1408} [2021-04-29 05:54:52,997 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 27 predicate places. [2021-04-29 05:54:52,997 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:54:52,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 1408 transitions, 34636 flow [2021-04-29 05:54:52,997 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 1408 transitions, 34636 flow [2021-04-29 05:54:53,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 1408 transitions, 34636 flow [2021-04-29 05:54:58,796 INFO L129 PetriNetUnfolder]: 15994/23911 cut-off events. [2021-04-29 05:54:58,796 INFO L130 PetriNetUnfolder]: For 348897/359544 co-relation queries the response was YES. [2021-04-29 05:54:58,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197441 conditions, 23911 events. 15994/23911 cut-off events. For 348897/359544 co-relation queries the response was YES. Maximal size of possible extension queue 1901. Compared 172218 event pairs, 518 based on Foata normal form. 1848/25691 useless extension candidates. Maximal degree in co-relation 196634. Up to 14465 conditions per place. [2021-04-29 05:54:59,083 INFO L146 LiptonReduction]: Number of co-enabled transitions 3120 [2021-04-29 05:55:02,865 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:55:02,866 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:55:02,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9869 [2021-04-29 05:55:02,867 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 1408 transitions, 34636 flow [2021-04-29 05:55:02,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:02,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:02,867 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] [2021-04-29 05:55:02,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 05:55:02,868 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:02,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:02,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1114180184, now seen corresponding path program 13 times [2021-04-29 05:55:02,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:02,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172226432] [2021-04-29 05:55:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:02,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:02,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:02,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:02,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:02,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:02,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:02,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:02,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:55:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:02,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172226432] [2021-04-29 05:55:02,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:02,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 05:55:02,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215010526] [2021-04-29 05:55:02,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 05:55:02,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:02,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 05:55:02,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 05:55:02,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:55:02,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 1408 transitions, 34636 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:02,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:02,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:55:02,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:55:14,508 INFO L129 PetriNetUnfolder]: 18362/27380 cut-off events. [2021-04-29 05:55:14,509 INFO L130 PetriNetUnfolder]: For 346382/357534 co-relation queries the response was YES. [2021-04-29 05:55:14,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245960 conditions, 27380 events. 18362/27380 cut-off events. For 346382/357534 co-relation queries the response was YES. Maximal size of possible extension queue 2127. Compared 198481 event pairs, 1556 based on Foata normal form. 298/27636 useless extension candidates. Maximal degree in co-relation 245315. Up to 24324 conditions per place. [2021-04-29 05:55:14,768 INFO L132 encePairwiseOnDemand]: 67/79 looper letters, 712 selfloop transitions, 761 changer transitions 1/1487 dead transitions. [2021-04-29 05:55:14,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 1487 transitions, 39607 flow [2021-04-29 05:55:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 05:55:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 05:55:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-04-29 05:55:14,770 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5518987341772152 [2021-04-29 05:55:14,770 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-04-29 05:55:14,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-04-29 05:55:14,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:55:14,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-04-29 05:55:14,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:14,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:14,772 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:14,772 INFO L185 Difference]: Start difference. First operand has 93 places, 1408 transitions, 34636 flow. Second operand 5 states and 218 transitions. [2021-04-29 05:55:14,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 1487 transitions, 39607 flow [2021-04-29 05:55:16,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 1487 transitions, 38802 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-04-29 05:55:16,092 INFO L241 Difference]: Finished difference. Result has 96 places, 1465 transitions, 37404 flow [2021-04-29 05:55:16,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=33513, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=691, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=37404, PETRI_PLACES=96, PETRI_TRANSITIONS=1465} [2021-04-29 05:55:16,094 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 30 predicate places. [2021-04-29 05:55:16,094 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:55:16,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 1465 transitions, 37404 flow [2021-04-29 05:55:16,095 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 1465 transitions, 37404 flow [2021-04-29 05:55:16,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 1465 transitions, 37404 flow [2021-04-29 05:55:22,041 INFO L129 PetriNetUnfolder]: 15788/23742 cut-off events. [2021-04-29 05:55:22,042 INFO L130 PetriNetUnfolder]: For 354963/364530 co-relation queries the response was YES. [2021-04-29 05:55:22,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194876 conditions, 23742 events. 15788/23742 cut-off events. For 354963/364530 co-relation queries the response was YES. Maximal size of possible extension queue 1921. Compared 172826 event pairs, 375 based on Foata normal form. 1570/25258 useless extension candidates. Maximal degree in co-relation 194021. Up to 14339 conditions per place. [2021-04-29 05:55:22,305 INFO L146 LiptonReduction]: Number of co-enabled transitions 3104 [2021-04-29 05:55:24,802 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:55:24,802 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:55:24,802 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8708 [2021-04-29 05:55:24,803 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 1465 transitions, 37404 flow [2021-04-29 05:55:24,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:24,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:24,803 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] [2021-04-29 05:55:24,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 05:55:24,804 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:24,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:24,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1341611718, now seen corresponding path program 14 times [2021-04-29 05:55:24,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:24,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421303060] [2021-04-29 05:55:24,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:24,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:24,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:24,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:24,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:24,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:24,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:24,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:24,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:24,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:24,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:24,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:24,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:24,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:24,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:55:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:24,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421303060] [2021-04-29 05:55:24,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:24,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:55:24,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759696055] [2021-04-29 05:55:24,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:55:24,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:24,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:55:24,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:55:24,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:55:24,859 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 1465 transitions, 37404 flow. Second operand has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:24,859 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:24,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:55:24,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:55:37,308 INFO L129 PetriNetUnfolder]: 18252/27405 cut-off events. [2021-04-29 05:55:37,308 INFO L130 PetriNetUnfolder]: For 348348/357336 co-relation queries the response was YES. [2021-04-29 05:55:37,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247383 conditions, 27405 events. 18252/27405 cut-off events. For 348348/357336 co-relation queries the response was YES. Maximal size of possible extension queue 2222. Compared 200759 event pairs, 710 based on Foata normal form. 446/27826 useless extension candidates. Maximal degree in co-relation 246557. Up to 14683 conditions per place. [2021-04-29 05:55:37,575 INFO L132 encePairwiseOnDemand]: 65/79 looper letters, 109 selfloop transitions, 1579 changer transitions 0/1701 dead transitions. [2021-04-29 05:55:37,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 1701 transitions, 47303 flow [2021-04-29 05:55:37,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:55:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:55:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 362 transitions. [2021-04-29 05:55:37,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5727848101265823 [2021-04-29 05:55:37,577 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 362 transitions. [2021-04-29 05:55:37,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 362 transitions. [2021-04-29 05:55:37,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:55:37,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 362 transitions. [2021-04-29 05:55:37,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 45.25) internal successors, (362), 8 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) [2021-04-29 05:55:37,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:37,582 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:37,582 INFO L185 Difference]: Start difference. First operand has 96 places, 1465 transitions, 37404 flow. Second operand 8 states and 362 transitions. [2021-04-29 05:55:37,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 1701 transitions, 47303 flow [2021-04-29 05:55:38,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 1701 transitions, 46399 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:55:38,837 INFO L241 Difference]: Finished difference. Result has 103 places, 1691 transitions, 47231 flow [2021-04-29 05:55:38,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=36646, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1353, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47231, PETRI_PLACES=103, PETRI_TRANSITIONS=1691} [2021-04-29 05:55:38,839 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 37 predicate places. [2021-04-29 05:55:38,839 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:55:38,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 1691 transitions, 47231 flow [2021-04-29 05:55:38,840 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 1691 transitions, 47231 flow [2021-04-29 05:55:38,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 1691 transitions, 47231 flow [2021-04-29 05:55:46,156 INFO L129 PetriNetUnfolder]: 16008/23878 cut-off events. [2021-04-29 05:55:46,156 INFO L130 PetriNetUnfolder]: For 442798/455851 co-relation queries the response was YES. [2021-04-29 05:55:46,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220440 conditions, 23878 events. 16008/23878 cut-off events. For 442798/455851 co-relation queries the response was YES. Maximal size of possible extension queue 1954. Compared 171378 event pairs, 487 based on Foata normal form. 2057/25854 useless extension candidates. Maximal degree in co-relation 219706. Up to 14679 conditions per place. [2021-04-29 05:55:46,467 INFO L146 LiptonReduction]: Number of co-enabled transitions 3142 [2021-04-29 05:55:47,987 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:55:47,987 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:55:47,987 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9148 [2021-04-29 05:55:47,988 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 1691 transitions, 47231 flow [2021-04-29 05:55:47,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:47,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:55:47,988 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] [2021-04-29 05:55:47,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 05:55:47,989 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:55:47,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:55:47,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1741341924, now seen corresponding path program 15 times [2021-04-29 05:55:47,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:55:47,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201722668] [2021-04-29 05:55:47,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:55:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:55:48,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:48,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:55:48,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:48,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:48,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:48,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:48,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:48,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:48,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:48,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:55:48,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:48,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:48,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:48,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:55:48,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:55:48,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:55:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:55:48,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201722668] [2021-04-29 05:55:48,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:55:48,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:55:48,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153374097] [2021-04-29 05:55:48,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:55:48,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:55:48,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:55:48,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:55:48,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:55:48,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 1691 transitions, 47231 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:55:48,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:55:48,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:55:48,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:56:04,268 INFO L129 PetriNetUnfolder]: 20744/31311 cut-off events. [2021-04-29 05:56:04,268 INFO L130 PetriNetUnfolder]: For 430527/436311 co-relation queries the response was YES. [2021-04-29 05:56:04,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 294396 conditions, 31311 events. 20744/31311 cut-off events. For 430527/436311 co-relation queries the response was YES. Maximal size of possible extension queue 2498. Compared 235373 event pairs, 1254 based on Foata normal form. 373/31664 useless extension candidates. Maximal degree in co-relation 293416. Up to 16403 conditions per place. [2021-04-29 05:56:04,581 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 357 selfloop transitions, 1470 changer transitions 0/1840 dead transitions. [2021-04-29 05:56:04,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 1840 transitions, 52602 flow [2021-04-29 05:56:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:56:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:56:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-04-29 05:56:04,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5632911392405063 [2021-04-29 05:56:04,583 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-04-29 05:56:04,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-04-29 05:56:04,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:56:04,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-04-29 05:56:04,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:04,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:04,586 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:04,586 INFO L185 Difference]: Start difference. First operand has 103 places, 1691 transitions, 47231 flow. Second operand 6 states and 267 transitions. [2021-04-29 05:56:04,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 1840 transitions, 52602 flow [2021-04-29 05:56:06,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 1840 transitions, 50131 flow, removed 225 selfloop flow, removed 5 redundant places. [2021-04-29 05:56:06,754 INFO L241 Difference]: Finished difference. Result has 106 places, 1786 transitions, 51676 flow [2021-04-29 05:56:06,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=44787, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1409, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=51676, PETRI_PLACES=106, PETRI_TRANSITIONS=1786} [2021-04-29 05:56:06,756 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 40 predicate places. [2021-04-29 05:56:06,756 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:56:06,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 1786 transitions, 51676 flow [2021-04-29 05:56:06,756 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 1786 transitions, 51676 flow [2021-04-29 05:56:06,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 1786 transitions, 51676 flow [2021-04-29 05:56:16,266 INFO L129 PetriNetUnfolder]: 18092/27388 cut-off events. [2021-04-29 05:56:16,266 INFO L130 PetriNetUnfolder]: For 578926/592335 co-relation queries the response was YES. [2021-04-29 05:56:16,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252384 conditions, 27388 events. 18092/27388 cut-off events. For 578926/592335 co-relation queries the response was YES. Maximal size of possible extension queue 2229. Compared 203967 event pairs, 467 based on Foata normal form. 2396/29706 useless extension candidates. Maximal degree in co-relation 251311. Up to 16055 conditions per place. [2021-04-29 05:56:16,610 INFO L146 LiptonReduction]: Number of co-enabled transitions 3546 [2021-04-29 05:56:18,320 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:56:18,320 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:56:18,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11564 [2021-04-29 05:56:18,321 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 1786 transitions, 51676 flow [2021-04-29 05:56:18,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:18,321 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:56:18,321 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] [2021-04-29 05:56:18,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 05:56:18,322 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:56:18,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:56:18,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1652894768, now seen corresponding path program 16 times [2021-04-29 05:56:18,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:56:18,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799725710] [2021-04-29 05:56:18,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:56:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:56:18,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:18,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:56:18,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:18,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:18,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:18,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:18,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:18,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:18,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:18,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:18,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:18,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:56:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:56:18,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799725710] [2021-04-29 05:56:18,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:56:18,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:56:18,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310630980] [2021-04-29 05:56:18,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:56:18,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:56:18,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:56:18,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:56:18,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:56:18,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 1786 transitions, 51676 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:18,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:56:18,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:56:18,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:56:39,295 INFO L129 PetriNetUnfolder]: 21549/32829 cut-off events. [2021-04-29 05:56:39,296 INFO L130 PetriNetUnfolder]: For 595274/605972 co-relation queries the response was YES. [2021-04-29 05:56:39,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327494 conditions, 32829 events. 21549/32829 cut-off events. For 595274/605972 co-relation queries the response was YES. Maximal size of possible extension queue 2692. Compared 251279 event pairs, 1335 based on Foata normal form. 866/33665 useless extension candidates. Maximal degree in co-relation 326413. Up to 17074 conditions per place. [2021-04-29 05:56:39,927 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 427 selfloop transitions, 1497 changer transitions 0/1937 dead transitions. [2021-04-29 05:56:39,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 1937 transitions, 59528 flow [2021-04-29 05:56:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:56:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:56:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-04-29 05:56:39,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5632911392405063 [2021-04-29 05:56:39,929 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-04-29 05:56:39,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-04-29 05:56:39,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:56:39,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-04-29 05:56:39,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:39,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:39,932 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:39,932 INFO L185 Difference]: Start difference. First operand has 106 places, 1786 transitions, 51676 flow. Second operand 6 states and 267 transitions. [2021-04-29 05:56:39,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 1937 transitions, 59528 flow [2021-04-29 05:56:43,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 1937 transitions, 59472 flow, removed 25 selfloop flow, removed 1 redundant places. [2021-04-29 05:56:43,230 INFO L241 Difference]: Finished difference. Result has 110 places, 1902 transitions, 58079 flow [2021-04-29 05:56:43,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=51620, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1786, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1381, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=58079, PETRI_PLACES=110, PETRI_TRANSITIONS=1902} [2021-04-29 05:56:43,232 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 44 predicate places. [2021-04-29 05:56:43,232 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:56:43,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 1902 transitions, 58079 flow [2021-04-29 05:56:43,232 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 1902 transitions, 58079 flow [2021-04-29 05:56:43,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 1902 transitions, 58079 flow [2021-04-29 05:56:53,916 INFO L129 PetriNetUnfolder]: 18761/28372 cut-off events. [2021-04-29 05:56:53,916 INFO L130 PetriNetUnfolder]: For 676240/689322 co-relation queries the response was YES. [2021-04-29 05:56:54,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274207 conditions, 28372 events. 18761/28372 cut-off events. For 676240/689322 co-relation queries the response was YES. Maximal size of possible extension queue 2343. Compared 212922 event pairs, 440 based on Foata normal form. 2515/30812 useless extension candidates. Maximal degree in co-relation 273243. Up to 16716 conditions per place. [2021-04-29 05:56:54,309 INFO L146 LiptonReduction]: Number of co-enabled transitions 3686 [2021-04-29 05:56:56,339 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:56:56,340 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:56:56,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13108 [2021-04-29 05:56:56,340 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 1902 transitions, 58079 flow [2021-04-29 05:56:56,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:56,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:56:56,341 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] [2021-04-29 05:56:56,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 05:56:56,341 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:56:56,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:56:56,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1619867058, now seen corresponding path program 17 times [2021-04-29 05:56:56,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:56:56,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022531989] [2021-04-29 05:56:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:56:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:56:56,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:56:56,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:56,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:56:56,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:56,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:56:56,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:56,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:56:56,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:56,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:56:56,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:56,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:56:56,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:56:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:56:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:56:56,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022531989] [2021-04-29 05:56:56,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:56:56,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:56:56,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846762392] [2021-04-29 05:56:56,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:56:56,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:56:56,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:56:56,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:56:56,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:56:56,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 1902 transitions, 58079 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:56:56,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:56:56,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:56:56,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:57:21,035 INFO L129 PetriNetUnfolder]: 21929/33237 cut-off events. [2021-04-29 05:57:21,036 INFO L130 PetriNetUnfolder]: For 647288/656700 co-relation queries the response was YES. [2021-04-29 05:57:21,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 341430 conditions, 33237 events. 21929/33237 cut-off events. For 647288/656700 co-relation queries the response was YES. Maximal size of possible extension queue 2770. Compared 254859 event pairs, 1386 based on Foata normal form. 503/33715 useless extension candidates. Maximal degree in co-relation 340598. Up to 16984 conditions per place. [2021-04-29 05:57:21,387 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 357 selfloop transitions, 1617 changer transitions 0/1987 dead transitions. [2021-04-29 05:57:21,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 1987 transitions, 63275 flow [2021-04-29 05:57:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:57:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:57:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-04-29 05:57:21,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5632911392405063 [2021-04-29 05:57:21,389 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-04-29 05:57:21,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-04-29 05:57:21,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:57:21,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-04-29 05:57:21,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:21,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:21,392 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:21,392 INFO L185 Difference]: Start difference. First operand has 110 places, 1902 transitions, 58079 flow. Second operand 6 states and 267 transitions. [2021-04-29 05:57:21,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 1987 transitions, 63275 flow [2021-04-29 05:57:24,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 1987 transitions, 61745 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 05:57:24,631 INFO L241 Difference]: Finished difference. Result has 113 places, 1936 transitions, 61040 flow [2021-04-29 05:57:24,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=56549, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1902, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1583, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=61040, PETRI_PLACES=113, PETRI_TRANSITIONS=1936} [2021-04-29 05:57:24,633 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 47 predicate places. [2021-04-29 05:57:24,633 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:57:24,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 1936 transitions, 61040 flow [2021-04-29 05:57:24,634 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 1936 transitions, 61040 flow [2021-04-29 05:57:24,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 1936 transitions, 61040 flow [2021-04-29 05:57:36,091 INFO L129 PetriNetUnfolder]: 19046/28818 cut-off events. [2021-04-29 05:57:36,092 INFO L130 PetriNetUnfolder]: For 730289/741355 co-relation queries the response was YES. [2021-04-29 05:57:36,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291479 conditions, 28818 events. 19046/28818 cut-off events. For 730289/741355 co-relation queries the response was YES. Maximal size of possible extension queue 2335. Compared 217084 event pairs, 520 based on Foata normal form. 2521/31262 useless extension candidates. Maximal degree in co-relation 290558. Up to 16975 conditions per place. [2021-04-29 05:57:36,711 INFO L146 LiptonReduction]: Number of co-enabled transitions 3750 [2021-04-29 05:57:39,024 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:57:39,025 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:57:39,025 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14392 [2021-04-29 05:57:39,025 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 1936 transitions, 61040 flow [2021-04-29 05:57:39,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:39,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:57:39,026 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] [2021-04-29 05:57:39,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 05:57:39,026 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:57:39,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:57:39,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1905524052, now seen corresponding path program 18 times [2021-04-29 05:57:39,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:57:39,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561751128] [2021-04-29 05:57:39,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:57:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:57:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:57:39,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:39,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:39,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:39,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:39,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:39,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:57:39,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:57:39,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:57:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:57:39,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561751128] [2021-04-29 05:57:39,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:57:39,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 05:57:39,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350179095] [2021-04-29 05:57:39,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 05:57:39,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:57:39,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 05:57:39,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-04-29 05:57:39,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:57:39,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 1936 transitions, 61040 flow. Second operand has 11 states, 11 states have (on average 36.27272727272727) internal successors, (399), 11 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:57:39,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:57:39,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:57:39,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:58:08,847 INFO L129 PetriNetUnfolder]: 23492/36537 cut-off events. [2021-04-29 05:58:08,848 INFO L130 PetriNetUnfolder]: For 918857/925910 co-relation queries the response was YES. [2021-04-29 05:58:09,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393558 conditions, 36537 events. 23492/36537 cut-off events. For 918857/925910 co-relation queries the response was YES. Maximal size of possible extension queue 3121. Compared 294597 event pairs, 641 based on Foata normal form. 1082/37599 useless extension candidates. Maximal degree in co-relation 392353. Up to 18772 conditions per place. [2021-04-29 05:58:09,252 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 244 selfloop transitions, 3034 changer transitions 0/3291 dead transitions. [2021-04-29 05:58:09,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 3291 transitions, 113090 flow [2021-04-29 05:58:09,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 05:58:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 05:58:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 629 transitions. [2021-04-29 05:58:09,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5687160940325497 [2021-04-29 05:58:09,260 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 629 transitions. [2021-04-29 05:58:09,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 629 transitions. [2021-04-29 05:58:09,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:58:09,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 629 transitions. [2021-04-29 05:58:09,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 44.92857142857143) internal successors, (629), 14 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:09,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 79.0) internal successors, (1185), 15 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:09,265 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 79.0) internal successors, (1185), 15 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:09,265 INFO L185 Difference]: Start difference. First operand has 113 places, 1936 transitions, 61040 flow. Second operand 14 states and 629 transitions. [2021-04-29 05:58:09,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 3291 transitions, 113090 flow [2021-04-29 05:58:12,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 3291 transitions, 113009 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:58:13,183 INFO L241 Difference]: Finished difference. Result has 127 places, 3270 transitions, 114912 flow [2021-04-29 05:58:13,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=60888, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1933, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=114912, PETRI_PLACES=127, PETRI_TRANSITIONS=3270} [2021-04-29 05:58:13,185 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 61 predicate places. [2021-04-29 05:58:13,185 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:58:13,185 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 3270 transitions, 114912 flow [2021-04-29 05:58:13,185 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 3270 transitions, 114912 flow [2021-04-29 05:58:13,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 3270 transitions, 114912 flow [2021-04-29 05:58:34,691 INFO L129 PetriNetUnfolder]: 20402/31361 cut-off events. [2021-04-29 05:58:34,691 INFO L130 PetriNetUnfolder]: For 1003107/1018440 co-relation queries the response was YES. [2021-04-29 05:58:34,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 348584 conditions, 31361 events. 20402/31361 cut-off events. For 1003107/1018440 co-relation queries the response was YES. Maximal size of possible extension queue 2660. Compared 246024 event pairs, 466 based on Foata normal form. 3360/34665 useless extension candidates. Maximal degree in co-relation 347575. Up to 18767 conditions per place. [2021-04-29 05:58:35,169 INFO L146 LiptonReduction]: Number of co-enabled transitions 4490 [2021-04-29 05:58:39,409 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:58:39,410 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:58:39,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26225 [2021-04-29 05:58:39,411 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 3270 transitions, 114912 flow [2021-04-29 05:58:39,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 36.27272727272727) internal successors, (399), 11 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:39,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:58:39,411 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] [2021-04-29 05:58:39,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 05:58:39,412 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 05:58:39,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:58:39,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1300938802, now seen corresponding path program 19 times [2021-04-29 05:58:39,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:58:39,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468645745] [2021-04-29 05:58:39,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:58:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:58:39,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:58:39,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:39,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:58:39,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:39,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:58:39,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:39,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:58:39,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:39,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:58:39,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:39,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 05:58:39,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:58:39,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:58:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:58:39,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468645745] [2021-04-29 05:58:39,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:58:39,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 05:58:39,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456865714] [2021-04-29 05:58:39,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 05:58:39,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:58:39,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 05:58:39,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 05:58:39,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 05:58:39,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 3270 transitions, 114912 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:58:39,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:58:39,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 05:58:39,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:59:41,307 INFO L129 PetriNetUnfolder]: 23775/36961 cut-off events. [2021-04-29 05:59:41,307 INFO L130 PetriNetUnfolder]: For 1000700/1008019 co-relation queries the response was YES. [2021-04-29 05:59:41,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427889 conditions, 36961 events. 23775/36961 cut-off events. For 1000700/1008019 co-relation queries the response was YES. Maximal size of possible extension queue 3188. Compared 300029 event pairs, 1430 based on Foata normal form. 589/37533 useless extension candidates. Maximal degree in co-relation 426834. Up to 18951 conditions per place. [2021-04-29 05:59:41,769 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 496 selfloop transitions, 2871 changer transitions 0/3380 dead transitions. [2021-04-29 05:59:41,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 3380 transitions, 123553 flow [2021-04-29 05:59:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 05:59:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 05:59:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-04-29 05:59:41,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5632911392405063 [2021-04-29 05:59:41,771 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-04-29 05:59:41,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-04-29 05:59:41,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:59:41,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-04-29 05:59:41,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:41,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:41,773 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:59:41,773 INFO L185 Difference]: Start difference. First operand has 127 places, 3270 transitions, 114912 flow. Second operand 6 states and 267 transitions. [2021-04-29 05:59:41,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 3380 transitions, 123553 flow [2021-04-29 05:59:50,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 3380 transitions, 123297 flow, removed 125 selfloop flow, removed 1 redundant places. [2021-04-29 05:59:50,140 INFO L241 Difference]: Finished difference. Result has 132 places, 3319 transitions, 122891 flow [2021-04-29 05:59:50,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=114738, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2822, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=122891, PETRI_PLACES=132, PETRI_TRANSITIONS=3319} [2021-04-29 05:59:50,143 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 66 predicate places. [2021-04-29 05:59:50,143 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:59:50,143 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 3319 transitions, 122891 flow [2021-04-29 05:59:50,144 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 3319 transitions, 122891 flow [2021-04-29 05:59:50,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 3319 transitions, 122891 flow [2021-04-29 06:00:09,725 INFO L129 PetriNetUnfolder]: 20589/31655 cut-off events. [2021-04-29 06:00:09,725 INFO L130 PetriNetUnfolder]: For 1097508/1115509 co-relation queries the response was YES. [2021-04-29 06:00:09,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 373975 conditions, 31655 events. 20589/31655 cut-off events. For 1097508/1115509 co-relation queries the response was YES. Maximal size of possible extension queue 2735. Compared 248303 event pairs, 417 based on Foata normal form. 3462/35064 useless extension candidates. Maximal degree in co-relation 372968. Up to 18947 conditions per place. [2021-04-29 06:00:10,397 INFO L146 LiptonReduction]: Number of co-enabled transitions 4570 [2021-04-29 06:00:16,142 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:00:16,143 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:00:16,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26000 [2021-04-29 06:00:16,143 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 3319 transitions, 122891 flow [2021-04-29 06:00:16,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:16,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:00:16,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:00:16,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 06:00:16,144 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 06:00:16,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:00:16,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1234407512, now seen corresponding path program 20 times [2021-04-29 06:00:16,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:00:16,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338716713] [2021-04-29 06:00:16,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:00:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:00:16,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:00:16,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:16,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:16,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:16,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:16,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:00:16,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:00:16,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:00:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:00:16,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338716713] [2021-04-29 06:00:16,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 06:00:16,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 06:00:16,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111402619] [2021-04-29 06:00:16,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 06:00:16,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:00:16,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 06:00:16,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-04-29 06:00:16,235 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 06:00:16,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 3319 transitions, 122891 flow. Second operand has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 9 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:00:16,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:00:16,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 06:00:16,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:01:18,385 INFO L129 PetriNetUnfolder]: 23786/37003 cut-off events. [2021-04-29 06:01:18,385 INFO L130 PetriNetUnfolder]: For 1012462/1019883 co-relation queries the response was YES. [2021-04-29 06:01:18,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 450616 conditions, 37003 events. 23786/37003 cut-off events. For 1012462/1019883 co-relation queries the response was YES. Maximal size of possible extension queue 3196. Compared 299751 event pairs, 729 based on Foata normal form. 238/37222 useless extension candidates. Maximal degree in co-relation 449533. Up to 18969 conditions per place. [2021-04-29 06:01:18,856 INFO L132 encePairwiseOnDemand]: 65/79 looper letters, 282 selfloop transitions, 3043 changer transitions 0/3338 dead transitions. [2021-04-29 06:01:18,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 3338 transitions, 130054 flow [2021-04-29 06:01:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 06:01:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 06:01:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 410 transitions. [2021-04-29 06:01:18,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5766526019690577 [2021-04-29 06:01:18,858 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 410 transitions. [2021-04-29 06:01:18,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 410 transitions. [2021-04-29 06:01:18,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:01:18,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 410 transitions. [2021-04-29 06:01:18,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 45.55555555555556) internal successors, (410), 9 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:18,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 79.0) internal successors, (790), 10 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:18,862 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 79.0) internal successors, (790), 10 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:18,862 INFO L185 Difference]: Start difference. First operand has 132 places, 3319 transitions, 122891 flow. Second operand 9 states and 410 transitions. [2021-04-29 06:01:18,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 3338 transitions, 130054 flow [2021-04-29 06:01:26,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 3338 transitions, 127108 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-29 06:01:26,385 INFO L241 Difference]: Finished difference. Result has 138 places, 3328 transitions, 126752 flow [2021-04-29 06:01:26,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=119954, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3034, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=126752, PETRI_PLACES=138, PETRI_TRANSITIONS=3328} [2021-04-29 06:01:26,388 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 72 predicate places. [2021-04-29 06:01:26,388 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:01:26,388 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 3328 transitions, 126752 flow [2021-04-29 06:01:26,388 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 3328 transitions, 126752 flow [2021-04-29 06:01:26,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 3328 transitions, 126752 flow [2021-04-29 06:01:49,230 INFO L129 PetriNetUnfolder]: 20600/31730 cut-off events. [2021-04-29 06:01:49,230 INFO L130 PetriNetUnfolder]: For 1123393/1136115 co-relation queries the response was YES. [2021-04-29 06:01:49,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383096 conditions, 31730 events. 20600/31730 cut-off events. For 1123393/1136115 co-relation queries the response was YES. Maximal size of possible extension queue 2653. Compared 249710 event pairs, 414 based on Foata normal form. 3056/34744 useless extension candidates. Maximal degree in co-relation 382102. Up to 18966 conditions per place. [2021-04-29 06:01:49,930 INFO L146 LiptonReduction]: Number of co-enabled transitions 4570 [2021-04-29 06:01:54,462 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:01:54,463 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:01:54,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28075 [2021-04-29 06:01:54,463 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 3328 transitions, 126752 flow [2021-04-29 06:01:54,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 9 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:54,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:01:54,464 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] [2021-04-29 06:01:54,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 06:01:54,464 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 06:01:54,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:01:54,464 INFO L82 PathProgramCache]: Analyzing trace with hash 523795710, now seen corresponding path program 21 times [2021-04-29 06:01:54,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:01:54,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47691913] [2021-04-29 06:01:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:01:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:01:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:01:54,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:01:54,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:54,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:01:54,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:01:54,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:54,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:01:54,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:01:54,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:01:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:01:54,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47691913] [2021-04-29 06:01:54,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 06:01:54,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 06:01:54,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642192310] [2021-04-29 06:01:54,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 06:01:54,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:01:54,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 06:01:54,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 06:01:54,517 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 06:01:54,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 3328 transitions, 126752 flow. Second operand has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:01:54,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:01:54,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 06:01:54,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:03:08,876 INFO L129 PetriNetUnfolder]: 26386/41570 cut-off events. [2021-04-29 06:03:08,877 INFO L130 PetriNetUnfolder]: For 1481287/1489367 co-relation queries the response was YES. [2021-04-29 06:03:09,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 535117 conditions, 41570 events. 26386/41570 cut-off events. For 1481287/1489367 co-relation queries the response was YES. Maximal size of possible extension queue 3835. Compared 351410 event pairs, 1589 based on Foata normal form. 2271/43822 useless extension candidates. Maximal degree in co-relation 534110. Up to 21296 conditions per place. [2021-04-29 06:03:09,417 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 672 selfloop transitions, 3415 changer transitions 0/4100 dead transitions. [2021-04-29 06:03:09,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 4100 transitions, 164419 flow [2021-04-29 06:03:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 06:03:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 06:03:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 361 transitions. [2021-04-29 06:03:09,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5712025316455697 [2021-04-29 06:03:09,418 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 361 transitions. [2021-04-29 06:03:09,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 361 transitions. [2021-04-29 06:03:09,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:03:09,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 361 transitions. [2021-04-29 06:03:09,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 45.125) internal successors, (361), 8 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:03:09,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:03:09,421 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:03:09,421 INFO L185 Difference]: Start difference. First operand has 138 places, 3328 transitions, 126752 flow. Second operand 8 states and 361 transitions. [2021-04-29 06:03:09,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 4100 transitions, 164419 flow [2021-04-29 06:03:18,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 4100 transitions, 158466 flow, removed 22 selfloop flow, removed 7 redundant places. [2021-04-29 06:03:18,589 INFO L241 Difference]: Finished difference. Result has 139 places, 4033 transitions, 157123 flow [2021-04-29 06:03:18,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=122001, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2710, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=616, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=157123, PETRI_PLACES=139, PETRI_TRANSITIONS=4033} [2021-04-29 06:03:18,592 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 73 predicate places. [2021-04-29 06:03:18,592 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:03:18,592 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 4033 transitions, 157123 flow [2021-04-29 06:03:18,592 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 4033 transitions, 157123 flow [2021-04-29 06:03:18,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 4033 transitions, 157123 flow [2021-04-29 06:03:52,744 INFO L129 PetriNetUnfolder]: 22755/35520 cut-off events. [2021-04-29 06:03:52,744 INFO L130 PetriNetUnfolder]: For 1252195/1260273 co-relation queries the response was YES. [2021-04-29 06:03:52,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 439941 conditions, 35520 events. 22755/35520 cut-off events. For 1252195/1260273 co-relation queries the response was YES. Maximal size of possible extension queue 3239. Compared 291826 event pairs, 356 based on Foata normal form. 2331/37824 useless extension candidates. Maximal degree in co-relation 438923. Up to 21248 conditions per place. [2021-04-29 06:03:53,522 INFO L146 LiptonReduction]: Number of co-enabled transitions 5416 [2021-04-29 06:03:58,950 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:03:58,950 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:03:58,950 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40358 [2021-04-29 06:03:58,951 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 4033 transitions, 157123 flow [2021-04-29 06:03:58,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:03:58,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:03:58,951 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] [2021-04-29 06:03:58,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 06:03:58,952 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 06:03:58,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:03:58,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1981482300, now seen corresponding path program 22 times [2021-04-29 06:03:58,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:03:58,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089210148] [2021-04-29 06:03:58,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:03:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:03:58,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:58,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 06:03:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:03:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:58,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:03:58,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:03:58,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:03:58,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:58,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:03:58,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:58,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:03:59,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:59,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 06:03:59,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:03:59,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:03:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:03:59,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089210148] [2021-04-29 06:03:59,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 06:03:59,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 06:03:59,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455040984] [2021-04-29 06:03:59,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 06:03:59,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:03:59,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 06:03:59,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 06:03:59,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 79 [2021-04-29 06:03:59,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 4033 transitions, 157123 flow. Second operand has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 9 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:03:59,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:03:59,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 79 [2021-04-29 06:03:59,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:05:36,711 INFO L129 PetriNetUnfolder]: 28187/44636 cut-off events. [2021-04-29 06:05:36,711 INFO L130 PetriNetUnfolder]: For 1459722/1467075 co-relation queries the response was YES. [2021-04-29 06:05:36,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 574994 conditions, 44636 events. 28187/44636 cut-off events. For 1459722/1467075 co-relation queries the response was YES. Maximal size of possible extension queue 4245. Compared 383391 event pairs, 796 based on Foata normal form. 1226/45843 useless extension candidates. Maximal degree in co-relation 573965. Up to 23170 conditions per place. [2021-04-29 06:05:37,494 INFO L132 encePairwiseOnDemand]: 66/79 looper letters, 358 selfloop transitions, 4206 changer transitions 1/4578 dead transitions. [2021-04-29 06:05:37,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 4578 transitions, 185406 flow [2021-04-29 06:05:37,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 06:05:37,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 06:05:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 457 transitions. [2021-04-29 06:05:37,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5784810126582278 [2021-04-29 06:05:37,496 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 457 transitions. [2021-04-29 06:05:37,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 457 transitions. [2021-04-29 06:05:37,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:05:37,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 457 transitions. [2021-04-29 06:05:37,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 45.7) internal successors, (457), 10 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:05:37,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 79.0) internal successors, (869), 11 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:05:37,499 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 79.0) internal successors, (869), 11 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:05:37,500 INFO L185 Difference]: Start difference. First operand has 139 places, 4033 transitions, 157123 flow. Second operand 10 states and 457 transitions. [2021-04-29 06:05:37,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 4578 transitions, 185406 flow [2021-04-29 06:05:48,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 4578 transitions, 179943 flow, removed 258 selfloop flow, removed 4 redundant places. [2021-04-29 06:05:48,340 INFO L241 Difference]: Finished difference. Result has 144 places, 4535 transitions, 178504 flow [2021-04-29 06:05:48,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=152222, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4033, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3703, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=178504, PETRI_PLACES=144, PETRI_TRANSITIONS=4535} [2021-04-29 06:05:48,344 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 78 predicate places. [2021-04-29 06:05:48,344 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:05:48,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 4535 transitions, 178504 flow [2021-04-29 06:05:48,344 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 4535 transitions, 178504 flow [2021-04-29 06:05:48,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 4535 transitions, 178504 flow Received shutdown request... [2021-04-29 06:05:51,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 06:05:51,163 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 06:05:51,172 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 06:05:51,173 INFO L202 PluginConnector]: Adding new model ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 06:05:51 BasicIcfg [2021-04-29 06:05:51,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 06:05:51,174 INFO L168 Benchmark]: Toolchain (without parser) took 802478.10 ms. Allocated memory was 302.0 MB in the beginning and 14.5 GB in the end (delta: 14.2 GB). Free memory was 270.7 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 5.5 GB. Max. memory is 16.0 GB. [2021-04-29 06:05:51,174 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.86 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.9 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 06:05:51,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.58 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 283.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 06:05:51,175 INFO L168 Benchmark]: Boogie Preprocessor took 43.70 ms. Allocated memory is still 302.0 MB. Free memory was 283.4 MB in the beginning and 282.5 MB in the end (delta: 919.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 06:05:51,175 INFO L168 Benchmark]: RCFGBuilder took 475.35 ms. Allocated memory is still 302.0 MB. Free memory was 282.4 MB in the beginning and 271.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-04-29 06:05:51,175 INFO L168 Benchmark]: TraceAbstraction took 801847.20 ms. Allocated memory was 302.0 MB in the beginning and 14.5 GB in the end (delta: 14.2 GB). Free memory was 271.4 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 5.5 GB. Max. memory is 16.0 GB. [2021-04-29 06:05:51,176 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 0.86 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.9 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.58 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 283.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.70 ms. Allocated memory is still 302.0 MB. Free memory was 283.4 MB in the beginning and 282.5 MB in the end (delta: 919.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 475.35 ms. Allocated memory is still 302.0 MB. Free memory was 282.4 MB in the beginning and 271.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 801847.20 ms. Allocated memory was 302.0 MB in the beginning and 14.5 GB in the end (delta: 14.2 GB). Free memory was 271.4 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 5.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2547.7ms, 65 PlacesBefore, 66 PlacesAfterwards, 46 TransitionsBefore, 47 TransitionsAfterwards, 1110 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 25 TotalNumberOfCompositions, 4949 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1141, positive: 1007, positive conditional: 1007, positive unconditional: 0, negative: 134, negative conditional: 134, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 771, positive: 718, positive conditional: 0, positive unconditional: 718, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 771, positive: 718, positive conditional: 0, positive unconditional: 718, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 771, positive: 535, positive conditional: 0, positive unconditional: 535, negative: 236, negative conditional: 0, negative unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 236, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 892, positive: 613, positive conditional: 0, positive unconditional: 613, negative: 279, negative conditional: 0, negative unconditional: 279, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1141, positive: 289, positive conditional: 289, positive unconditional: 0, negative: 81, negative conditional: 81, negative unconditional: 0, unknown: 771, unknown conditional: 771, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 293.5ms, 61 PlacesBefore, 48 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1146.6ms, 51 PlacesBefore, 44 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1465.5ms, 49 PlacesBefore, 49 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2304.9ms, 58 PlacesBefore, 58 PlacesAfterwards, 334 TransitionsBefore, 334 TransitionsAfterwards, 1502 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5007.6ms, 66 PlacesBefore, 66 PlacesAfterwards, 486 TransitionsBefore, 486 TransitionsAfterwards, 1912 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4732.0ms, 71 PlacesBefore, 71 PlacesAfterwards, 599 TransitionsBefore, 599 TransitionsAfterwards, 2090 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5035.5ms, 73 PlacesBefore, 73 PlacesAfterwards, 677 TransitionsBefore, 677 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5470.4ms, 77 PlacesBefore, 77 PlacesAfterwards, 892 TransitionsBefore, 892 TransitionsAfterwards, 2446 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6182.6ms, 80 PlacesBefore, 80 PlacesAfterwards, 1032 TransitionsBefore, 1032 TransitionsAfterwards, 2518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6235.0ms, 82 PlacesBefore, 82 PlacesAfterwards, 1158 TransitionsBefore, 1158 TransitionsAfterwards, 2590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13139.1ms, 90 PlacesBefore, 90 PlacesAfterwards, 1316 TransitionsBefore, 1316 TransitionsAfterwards, 3092 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9868.4ms, 93 PlacesBefore, 93 PlacesAfterwards, 1408 TransitionsBefore, 1408 TransitionsAfterwards, 3120 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8707.4ms, 96 PlacesBefore, 96 PlacesAfterwards, 1465 TransitionsBefore, 1465 TransitionsAfterwards, 3104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9146.9ms, 103 PlacesBefore, 103 PlacesAfterwards, 1691 TransitionsBefore, 1691 TransitionsAfterwards, 3142 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11563.8ms, 106 PlacesBefore, 106 PlacesAfterwards, 1786 TransitionsBefore, 1786 TransitionsAfterwards, 3546 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13107.3ms, 110 PlacesBefore, 110 PlacesAfterwards, 1902 TransitionsBefore, 1902 TransitionsAfterwards, 3686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14391.0ms, 113 PlacesBefore, 113 PlacesAfterwards, 1936 TransitionsBefore, 1936 TransitionsAfterwards, 3750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26224.3ms, 127 PlacesBefore, 127 PlacesAfterwards, 3270 TransitionsBefore, 3270 TransitionsAfterwards, 4490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25998.6ms, 132 PlacesBefore, 132 PlacesAfterwards, 3319 TransitionsBefore, 3319 TransitionsAfterwards, 4570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28074.4ms, 138 PlacesBefore, 138 PlacesAfterwards, 3328 TransitionsBefore, 3328 TransitionsAfterwards, 4570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40357.9ms, 139 PlacesBefore, 139 PlacesAfterwards, 4033 TransitionsBefore, 4033 TransitionsAfterwards, 5416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 771, Positive cache size: 718, Positive conditional cache size: 718, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 110). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 144 places, 4535 transitions, 178504 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 144 places, 4535 transitions, 178504 flow,while PetriNetUnfolder was constructing finite prefix that currently has 24720 conditions, 1767 events (894/1766 cut-off events. For 105067/111228 co-relation queries the response was YES. Maximal size of possible extension queue 1613. Compared 20217 event pairs, 9 based on Foata normal form. 198/3554 useless extension candidates. Maximal degree in co-relation 24666. Up to 901 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 801574.4ms, OverallIterations: 22, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 555833.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2721.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 39 SDtfs, 102 SDslu, 21 SDs, 0 SdLazy, 4085 SolverSat, 753 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2508.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 629.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=178504occurred in iteration=22, InterpolantAutomatonStates: 150, 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: 43.8ms SsaConstructionTime, 289.3ms SatisfiabilityAnalysisTime, 1093.7ms InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 572 ConstructedInterpolants, 0 QuantifiedInterpolants, 1579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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