/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/mcr/example_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 04:06:58,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 04:06:58,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 04:06:58,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 04:06:58,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 04:06:58,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 04:06:58,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 04:06:58,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 04:06:58,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 04:06:58,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 04:06:58,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 04:06:58,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 04:06:58,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 04:06:58,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 04:06:58,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 04:06:58,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 04:06:58,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 04:06:58,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 04:06:58,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 04:06:58,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 04:06:58,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 04:06:58,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 04:06:58,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 04:06:58,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 04:06:58,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 04:06:58,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 04:06:58,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 04:06:58,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 04:06:58,209 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 04:06:58,262 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 04:06:58,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 04:06:58,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 04:06:58,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 04:06:58,264 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 04:06:58,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 04:06:58,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 04:06:58,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 04:06:58,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 04:06:58,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 04:06:58,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 04:06:58,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 04:06:58,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 04:06:58,266 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 04:06:58,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 04:06:58,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 04:06:58,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 04:06:58,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 04:06:58,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 04:06:58,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 04:06:58,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 04:06:58,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:06:58,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 04:06:58,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 04:06:58,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 04:06:58,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 04:06:58,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 04:06:58,270 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 04:06:58,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 04:06:58,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 04:06:58,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 04:06:58,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 04:06:58,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 04:06:58,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 04:06:58,657 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 04:06:58,658 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 04:06:58,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl [2021-04-29 04:06:58,660 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl' [2021-04-29 04:06:58,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 04:06:58,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 04:06:58,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 04:06:58,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 04:06:58,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 04:06:58,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 04:06:58,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 04:06:58,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 04:06:58,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 04:06:58,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/1) ... [2021-04-29 04:06:58,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 04:06:58,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 04:06:58,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 04:06:58,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 04:06:58,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (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 04:06:58,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-04-29 04:06:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-04-29 04:06:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-04-29 04:06:58,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-04-29 04:06:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-04-29 04:06:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-04-29 04:06:58,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-04-29 04:06:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-04-29 04:06:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-04-29 04:06:58,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-04-29 04:06:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-04-29 04:06:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-04-29 04:06:58,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-04-29 04:06:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-04-29 04:06:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-04-29 04:06:58,882 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 04:06:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 04:06:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 04:06:58,884 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 04:06:59,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 04:06:59,138 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 04:06:59,142 INFO L202 PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:06:59 BoogieIcfgContainer [2021-04-29 04:06:59,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 04:06:59,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 04:06:59,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 04:06:59,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 04:06:59,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:06:58" (1/2) ... [2021-04-29 04:06:59,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b5d952 and model type example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 04:06:59, skipping insertion in model container [2021-04-29 04:06:59,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:06:59" (2/2) ... [2021-04-29 04:06:59,160 INFO L111 eAbstractionObserver]: Analyzing ICFG example_5.bpl [2021-04-29 04:06:59,167 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 04:06:59,174 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 04:06:59,175 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 04:06:59,369 INFO L149 ThreadInstanceAdder]: Constructed 25 joinOtherThreadTransitions. [2021-04-29 04:06:59,413 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 04:06:59,456 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 04:06:59,456 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 04:06:59,457 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 04:06:59,457 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 04:06:59,457 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 04:06:59,457 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 04:06:59,457 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 04:06:59,457 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 04:06:59,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 48 transitions, 196 flow [2021-04-29 04:06:59,576 INFO L129 PetriNetUnfolder]: 49/98 cut-off events. [2021-04-29 04:06:59,576 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-04-29 04:06:59,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 98 events. 49/98 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 331 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 86. Up to 30 conditions per place. [2021-04-29 04:06:59,589 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 48 transitions, 196 flow [2021-04-29 04:06:59,608 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 41 transitions, 172 flow [2021-04-29 04:06:59,611 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:06:59,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 41 transitions, 172 flow [2021-04-29 04:06:59,645 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 41 transitions, 172 flow [2021-04-29 04:06:59,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 41 transitions, 172 flow [2021-04-29 04:06:59,720 INFO L129 PetriNetUnfolder]: 49/96 cut-off events. [2021-04-29 04:06:59,720 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-04-29 04:06:59,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 96 events. 49/96 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 272 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 86. Up to 30 conditions per place. [2021-04-29 04:06:59,730 INFO L146 LiptonReduction]: Number of co-enabled transitions 440 [2021-04-29 04:06:59,902 INFO L158 LiptonReduction]: Checked pairs total: 130 [2021-04-29 04:06:59,902 INFO L160 LiptonReduction]: Total number of compositions: 5 [2021-04-29 04:06:59,905 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-04-29 04:06:59,974 INFO L129 PetriNetUnfolder]: 49/95 cut-off events. [2021-04-29 04:06:59,974 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-04-29 04:06:59,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:06:59,975 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:06:59,976 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:06:59,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:06:59,984 INFO L82 PathProgramCache]: Analyzing trace with hash 558068446, now seen corresponding path program 1 times [2021-04-29 04:06:59,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:06:59,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206020429] [2021-04-29 04:06:59,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:00,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:00,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,147 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 04:07:00,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206020429] [2021-04-29 04:07:00,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:00,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:00,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090836035] [2021-04-29 04:07:00,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:00,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:00,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:00,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:00,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-04-29 04:07:00,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 41 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 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 04:07:00,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:00,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-04-29 04:07:00,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:00,220 INFO L129 PetriNetUnfolder]: 33/75 cut-off events. [2021-04-29 04:07:00,220 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2021-04-29 04:07:00,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 75 events. 33/75 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 188 event pairs, 0 based on Foata normal form. 5/75 useless extension candidates. Maximal degree in co-relation 80. Up to 20 conditions per place. [2021-04-29 04:07:00,223 INFO L132 encePairwiseOnDemand]: 50/53 looper letters, 3 selfloop transitions, 1 changer transitions 0/39 dead transitions. [2021-04-29 04:07:00,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 39 transitions, 170 flow [2021-04-29 04:07:00,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2021-04-29 04:07:00,236 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9245283018867925 [2021-04-29 04:07:00,237 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 147 transitions. [2021-04-29 04:07:00,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 147 transitions. [2021-04-29 04:07:00,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:00,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 147 transitions. [2021-04-29 04:07:00,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 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 04:07:00,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 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 04:07:00,250 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 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 04:07:00,252 INFO L185 Difference]: Start difference. First operand has 37 places, 41 transitions, 172 flow. Second operand 3 states and 147 transitions. [2021-04-29 04:07:00,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 39 transitions, 170 flow [2021-04-29 04:07:00,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 39 transitions, 114 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-04-29 04:07:00,260 INFO L241 Difference]: Finished difference. Result has 29 places, 39 transitions, 108 flow [2021-04-29 04:07:00,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=29, PETRI_TRANSITIONS=39} [2021-04-29 04:07:00,263 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -8 predicate places. [2021-04-29 04:07:00,263 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:00,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 39 transitions, 108 flow [2021-04-29 04:07:00,264 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 39 transitions, 108 flow [2021-04-29 04:07:00,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 39 transitions, 108 flow [2021-04-29 04:07:00,273 INFO L129 PetriNetUnfolder]: 33/75 cut-off events. [2021-04-29 04:07:00,273 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:00,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 75 events. 33/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 188 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 74. Up to 20 conditions per place. [2021-04-29 04:07:00,274 INFO L146 LiptonReduction]: Number of co-enabled transitions 408 [2021-04-29 04:07:00,279 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:00,280 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:00,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-29 04:07:00,282 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 39 transitions, 108 flow [2021-04-29 04:07:00,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 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 04:07:00,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:00,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:00,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 04:07:00,283 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:00,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:00,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1401543304, now seen corresponding path program 1 times [2021-04-29 04:07:00,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:00,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697738688] [2021-04-29 04:07:00,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:00,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:00,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,324 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 04:07:00,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697738688] [2021-04-29 04:07:00,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:00,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:00,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089395760] [2021-04-29 04:07:00,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:00,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:00,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:00,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:00,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-04-29 04:07:00,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 39 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 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 04:07:00,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:00,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-04-29 04:07:00,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:00,341 INFO L129 PetriNetUnfolder]: 8/36 cut-off events. [2021-04-29 04:07:00,341 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-04-29 04:07:00,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 36 events. 8/36 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 0 based on Foata normal form. 11/42 useless extension candidates. Maximal degree in co-relation 37. Up to 6 conditions per place. [2021-04-29 04:07:00,342 INFO L132 encePairwiseOnDemand]: 48/53 looper letters, 1 selfloop transitions, 1 changer transitions 0/31 dead transitions. [2021-04-29 04:07:00,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 31 transitions, 88 flow [2021-04-29 04:07:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:00,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2021-04-29 04:07:00,345 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9245283018867925 [2021-04-29 04:07:00,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 147 transitions. [2021-04-29 04:07:00,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 147 transitions. [2021-04-29 04:07:00,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:00,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 147 transitions. [2021-04-29 04:07:00,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 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 04:07:00,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 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 04:07:00,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 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 04:07:00,349 INFO L185 Difference]: Start difference. First operand has 29 places, 39 transitions, 108 flow. Second operand 3 states and 147 transitions. [2021-04-29 04:07:00,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 31 transitions, 88 flow [2021-04-29 04:07:00,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 87 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:00,351 INFO L241 Difference]: Finished difference. Result has 30 places, 31 transitions, 85 flow [2021-04-29 04:07:00,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=30, PETRI_TRANSITIONS=31} [2021-04-29 04:07:00,352 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -7 predicate places. [2021-04-29 04:07:00,353 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:00,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 31 transitions, 85 flow [2021-04-29 04:07:00,353 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 31 transitions, 85 flow [2021-04-29 04:07:00,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 31 transitions, 85 flow [2021-04-29 04:07:00,358 INFO L129 PetriNetUnfolder]: 8/36 cut-off events. [2021-04-29 04:07:00,358 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:00,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 36 events. 8/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 65 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 36. Up to 6 conditions per place. [2021-04-29 04:07:00,359 INFO L146 LiptonReduction]: Number of co-enabled transitions 272 [2021-04-29 04:07:00,362 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:00,363 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:00,363 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-04-29 04:07:00,364 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 31 transitions, 85 flow [2021-04-29 04:07:00,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 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 04:07:00,365 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:00,365 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:00,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 04:07:00,366 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:00,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:00,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1394564792, now seen corresponding path program 1 times [2021-04-29 04:07:00,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:00,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603867928] [2021-04-29 04:07:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:00,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:00,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,408 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 04:07:00,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603867928] [2021-04-29 04:07:00,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:00,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:00,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85713064] [2021-04-29 04:07:00,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:00,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:00,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:00,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:00,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-04-29 04:07:00,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 31 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 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 04:07:00,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:00,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-04-29 04:07:00,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:00,433 INFO L129 PetriNetUnfolder]: 6/33 cut-off events. [2021-04-29 04:07:00,433 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-29 04:07:00,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 33 events. 6/33 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 37. Up to 6 conditions per place. [2021-04-29 04:07:00,434 INFO L132 encePairwiseOnDemand]: 51/53 looper letters, 3 selfloop transitions, 1 changer transitions 2/30 dead transitions. [2021-04-29 04:07:00,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 30 transitions, 90 flow [2021-04-29 04:07:00,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2021-04-29 04:07:00,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2021-04-29 04:07:00,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 146 transitions. [2021-04-29 04:07:00,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 146 transitions. [2021-04-29 04:07:00,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:00,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 146 transitions. [2021-04-29 04:07:00,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 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 04:07:00,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 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 04:07:00,449 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 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 04:07:00,449 INFO L185 Difference]: Start difference. First operand has 30 places, 31 transitions, 85 flow. Second operand 3 states and 146 transitions. [2021-04-29 04:07:00,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 30 transitions, 90 flow [2021-04-29 04:07:00,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 30 transitions, 89 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:00,451 INFO L241 Difference]: Finished difference. Result has 31 places, 28 transitions, 79 flow [2021-04-29 04:07:00,451 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=31, PETRI_TRANSITIONS=28} [2021-04-29 04:07:00,451 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -6 predicate places. [2021-04-29 04:07:00,452 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:00,452 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 28 transitions, 79 flow [2021-04-29 04:07:00,452 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 28 transitions, 79 flow [2021-04-29 04:07:00,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions, 79 flow [2021-04-29 04:07:00,457 INFO L129 PetriNetUnfolder]: 6/31 cut-off events. [2021-04-29 04:07:00,457 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:00,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 31 events. 6/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 34. Up to 6 conditions per place. [2021-04-29 04:07:00,458 INFO L146 LiptonReduction]: Number of co-enabled transitions 196 [2021-04-29 04:07:00,460 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:00,461 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:00,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-04-29 04:07:00,462 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 28 transitions, 79 flow [2021-04-29 04:07:00,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 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 04:07:00,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:00,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:00,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 04:07:00,463 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:00,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:00,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1076427874, now seen corresponding path program 1 times [2021-04-29 04:07:00,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:00,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001186525] [2021-04-29 04:07:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:00,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:00,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,488 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 04:07:00,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001186525] [2021-04-29 04:07:00,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:00,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:00,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38945837] [2021-04-29 04:07:00,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:00,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:00,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:00,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:00,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-04-29 04:07:00,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 28 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 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 04:07:00,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:00,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-04-29 04:07:00,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:00,500 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-04-29 04:07:00,500 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 04:07:00,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 19 events. 0/19 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 18 event pairs, 0 based on Foata normal form. 3/19 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 04:07:00,501 INFO L132 encePairwiseOnDemand]: 49/53 looper letters, 1 selfloop transitions, 1 changer transitions 3/19 dead transitions. [2021-04-29 04:07:00,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 19 transitions, 56 flow [2021-04-29 04:07:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2021-04-29 04:07:00,503 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2021-04-29 04:07:00,503 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 146 transitions. [2021-04-29 04:07:00,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 146 transitions. [2021-04-29 04:07:00,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:00,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 146 transitions. [2021-04-29 04:07:00,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 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 04:07:00,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 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 04:07:00,506 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 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 04:07:00,506 INFO L185 Difference]: Start difference. First operand has 29 places, 28 transitions, 79 flow. Second operand 3 states and 146 transitions. [2021-04-29 04:07:00,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 19 transitions, 56 flow [2021-04-29 04:07:00,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 19 transitions, 55 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:00,508 INFO L241 Difference]: Finished difference. Result has 30 places, 16 transitions, 47 flow [2021-04-29 04:07:00,508 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=30, PETRI_TRANSITIONS=16} [2021-04-29 04:07:00,508 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -7 predicate places. [2021-04-29 04:07:00,508 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:00,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 16 transitions, 47 flow [2021-04-29 04:07:00,509 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 16 transitions, 47 flow [2021-04-29 04:07:00,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 16 transitions, 47 flow [2021-04-29 04:07:00,512 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-04-29 04:07:00,512 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:00,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 16 events. 0/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 7 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-04-29 04:07:00,512 INFO L146 LiptonReduction]: Number of co-enabled transitions 60 [2021-04-29 04:07:00,514 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:00,514 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:00,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-04-29 04:07:00,515 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 16 transitions, 47 flow [2021-04-29 04:07:00,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 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 04:07:00,516 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:00,516 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:00,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 04:07:00,516 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:00,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:00,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1201939170, now seen corresponding path program 1 times [2021-04-29 04:07:00,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:00,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367214017] [2021-04-29 04:07:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:00,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:00,610 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:00,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:00,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:00,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:00,656 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:00,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:00,689 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:00,716 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 04:07:00,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367214017] [2021-04-29 04:07:00,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:00,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:00,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845101800] [2021-04-29 04:07:00,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:00,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:00,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:00,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:00,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:00,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 16 transitions, 47 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:00,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:00,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:00,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:00,827 INFO L129 PetriNetUnfolder]: 51/136 cut-off events. [2021-04-29 04:07:00,827 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:00,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 136 events. 51/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 566 event pairs, 17 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 241. Up to 41 conditions per place. [2021-04-29 04:07:00,829 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 14 selfloop transitions, 4 changer transitions 1/29 dead transitions. [2021-04-29 04:07:00,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 111 flow [2021-04-29 04:07:00,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:00,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:00,832 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:00,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:00,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:00,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:00,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:00,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:00,837 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:00,837 INFO L185 Difference]: Start difference. First operand has 27 places, 16 transitions, 47 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:00,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 111 flow [2021-04-29 04:07:00,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 29 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:00,839 INFO L241 Difference]: Finished difference. Result has 37 places, 19 transitions, 77 flow [2021-04-29 04:07:00,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=77, PETRI_PLACES=37, PETRI_TRANSITIONS=19} [2021-04-29 04:07:00,840 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2021-04-29 04:07:00,840 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:00,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 19 transitions, 77 flow [2021-04-29 04:07:00,840 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 19 transitions, 77 flow [2021-04-29 04:07:00,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 19 transitions, 77 flow [2021-04-29 04:07:00,854 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-29 04:07:00,855 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 04:07:00,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 39 events. 0/39 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 102 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-29 04:07:00,856 INFO L146 LiptonReduction]: Number of co-enabled transitions 72 [2021-04-29 04:07:00,857 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:00,858 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:00,858 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-04-29 04:07:00,859 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 19 transitions, 77 flow [2021-04-29 04:07:00,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:00,860 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:00,860 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:00,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 04:07:00,861 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:00,861 INFO L82 PathProgramCache]: Analyzing trace with hash -153380320, now seen corresponding path program 2 times [2021-04-29 04:07:00,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:00,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481438377] [2021-04-29 04:07:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:00,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:00,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:00,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:00,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:00,962 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:00,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:00,998 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:00,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:01,028 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:01,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:01,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:01,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481438377] [2021-04-29 04:07:01,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:01,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:01,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700803336] [2021-04-29 04:07:01,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:01,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:01,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:01,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:01,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:01,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 19 transitions, 77 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:01,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:01,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:01,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:01,152 INFO L129 PetriNetUnfolder]: 53/184 cut-off events. [2021-04-29 04:07:01,152 INFO L130 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2021-04-29 04:07:01,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 184 events. 53/184 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 965 event pairs, 17 based on Foata normal form. 1/171 useless extension candidates. Maximal degree in co-relation 442. Up to 50 conditions per place. [2021-04-29 04:07:01,155 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 14 selfloop transitions, 7 changer transitions 1/32 dead transitions. [2021-04-29 04:07:01,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 177 flow [2021-04-29 04:07:01,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:01,160 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:01,160 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:01,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:01,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:01,164 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:01,164 INFO L185 Difference]: Start difference. First operand has 36 places, 19 transitions, 77 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:01,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 177 flow [2021-04-29 04:07:01,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 164 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:01,168 INFO L241 Difference]: Finished difference. Result has 45 places, 22 transitions, 122 flow [2021-04-29 04:07:01,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=122, PETRI_PLACES=45, PETRI_TRANSITIONS=22} [2021-04-29 04:07:01,168 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 8 predicate places. [2021-04-29 04:07:01,169 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:01,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 22 transitions, 122 flow [2021-04-29 04:07:01,169 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 22 transitions, 122 flow [2021-04-29 04:07:01,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 22 transitions, 122 flow [2021-04-29 04:07:01,185 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-29 04:07:01,185 INFO L130 PetriNetUnfolder]: For 57/63 co-relation queries the response was YES. [2021-04-29 04:07:01,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 66 events. 0/66 cut-off events. For 57/63 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 289 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-04-29 04:07:01,186 INFO L146 LiptonReduction]: Number of co-enabled transitions 88 [2021-04-29 04:07:01,189 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:01,189 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:01,189 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-04-29 04:07:01,197 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 22 transitions, 122 flow [2021-04-29 04:07:01,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:01,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:01,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:01,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 04:07:01,199 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:01,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:01,199 INFO L82 PathProgramCache]: Analyzing trace with hash 917640122, now seen corresponding path program 3 times [2021-04-29 04:07:01,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:01,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074317841] [2021-04-29 04:07:01,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:01,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:01,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:01,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:01,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:01,303 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:01,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:01,332 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:01,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:01,369 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:01,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:01,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074317841] [2021-04-29 04:07:01,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:01,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:01,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925132934] [2021-04-29 04:07:01,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:01,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:01,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:01,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:01,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:01,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 22 transitions, 122 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:01,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:01,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:01,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:01,530 INFO L129 PetriNetUnfolder]: 50/267 cut-off events. [2021-04-29 04:07:01,531 INFO L130 PetriNetUnfolder]: For 524/534 co-relation queries the response was YES. [2021-04-29 04:07:01,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 267 events. 50/267 cut-off events. For 524/534 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1921 event pairs, 14 based on Foata normal form. 1/253 useless extension candidates. Maximal degree in co-relation 752. Up to 67 conditions per place. [2021-04-29 04:07:01,534 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 22 selfloop transitions, 9 changer transitions 3/44 dead transitions. [2021-04-29 04:07:01,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 44 transitions, 346 flow [2021-04-29 04:07:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:01,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:01,537 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:01,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:01,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:01,540 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:01,541 INFO L185 Difference]: Start difference. First operand has 44 places, 22 transitions, 122 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:01,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 44 transitions, 346 flow [2021-04-29 04:07:01,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 318 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:01,550 INFO L241 Difference]: Finished difference. Result has 53 places, 29 transitions, 218 flow [2021-04-29 04:07:01,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=218, PETRI_PLACES=53, PETRI_TRANSITIONS=29} [2021-04-29 04:07:01,551 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 16 predicate places. [2021-04-29 04:07:01,551 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:01,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 29 transitions, 218 flow [2021-04-29 04:07:01,556 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 29 transitions, 218 flow [2021-04-29 04:07:01,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 29 transitions, 218 flow [2021-04-29 04:07:01,576 INFO L129 PetriNetUnfolder]: 0/138 cut-off events. [2021-04-29 04:07:01,576 INFO L130 PetriNetUnfolder]: For 216/221 co-relation queries the response was YES. [2021-04-29 04:07:01,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 138 events. 0/138 cut-off events. For 216/221 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 943 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-04-29 04:07:01,578 INFO L146 LiptonReduction]: Number of co-enabled transitions 114 [2021-04-29 04:07:01,585 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:01,586 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:01,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-04-29 04:07:01,587 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 29 transitions, 218 flow [2021-04-29 04:07:01,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:01,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:01,588 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:01,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 04:07:01,588 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:01,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:01,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1754975354, now seen corresponding path program 4 times [2021-04-29 04:07:01,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:01,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532588516] [2021-04-29 04:07:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:01,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:01,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:01,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:01,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:01,690 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:01,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:01,703 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:01,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:01,726 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:01,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:01,758 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:01,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:01,783 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 04:07:01,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532588516] [2021-04-29 04:07:01,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:01,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:01,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198776362] [2021-04-29 04:07:01,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:01,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:01,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:01,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:01,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:01,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 29 transitions, 218 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:01,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:01,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:01,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:01,916 INFO L129 PetriNetUnfolder]: 52/298 cut-off events. [2021-04-29 04:07:01,917 INFO L130 PetriNetUnfolder]: For 827/842 co-relation queries the response was YES. [2021-04-29 04:07:01,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 298 events. 52/298 cut-off events. For 827/842 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2303 event pairs, 13 based on Foata normal form. 1/283 useless extension candidates. Maximal degree in co-relation 924. Up to 78 conditions per place. [2021-04-29 04:07:01,920 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 23 selfloop transitions, 15 changer transitions 1/49 dead transitions. [2021-04-29 04:07:01,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 49 transitions, 458 flow [2021-04-29 04:07:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:01,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:01,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:01,923 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:01,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:01,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:01,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:01,927 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:01,927 INFO L185 Difference]: Start difference. First operand has 52 places, 29 transitions, 218 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:01,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 49 transitions, 458 flow [2021-04-29 04:07:01,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 49 transitions, 435 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:01,936 INFO L241 Difference]: Finished difference. Result has 60 places, 38 transitions, 373 flow [2021-04-29 04:07:01,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=373, PETRI_PLACES=60, PETRI_TRANSITIONS=38} [2021-04-29 04:07:01,937 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 23 predicate places. [2021-04-29 04:07:01,937 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:01,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 38 transitions, 373 flow [2021-04-29 04:07:01,938 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 38 transitions, 373 flow [2021-04-29 04:07:01,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 38 transitions, 373 flow [2021-04-29 04:07:01,962 INFO L129 PetriNetUnfolder]: 0/154 cut-off events. [2021-04-29 04:07:01,962 INFO L130 PetriNetUnfolder]: For 448/475 co-relation queries the response was YES. [2021-04-29 04:07:01,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 154 events. 0/154 cut-off events. For 448/475 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1098 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-04-29 04:07:01,965 INFO L146 LiptonReduction]: Number of co-enabled transitions 160 [2021-04-29 04:07:01,971 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:01,971 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:01,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-29 04:07:01,972 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 38 transitions, 373 flow [2021-04-29 04:07:01,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:01,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:01,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:01,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 04:07:01,974 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:01,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:01,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1422902428, now seen corresponding path program 5 times [2021-04-29 04:07:01,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:01,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829644551] [2021-04-29 04:07:01,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:02,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:02,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:02,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:02,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:02,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:02,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:02,056 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:02,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:02,084 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:02,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:02,113 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:02,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:02,143 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 04:07:02,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829644551] [2021-04-29 04:07:02,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:02,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:02,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971797305] [2021-04-29 04:07:02,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:02,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:02,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:02,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:02,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:02,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 38 transitions, 373 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:02,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:02,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:02,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:02,295 INFO L129 PetriNetUnfolder]: 47/314 cut-off events. [2021-04-29 04:07:02,295 INFO L130 PetriNetUnfolder]: For 1306/1321 co-relation queries the response was YES. [2021-04-29 04:07:02,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 314 events. 47/314 cut-off events. For 1306/1321 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2483 event pairs, 20 based on Foata normal form. 1/301 useless extension candidates. Maximal degree in co-relation 1103. Up to 76 conditions per place. [2021-04-29 04:07:02,299 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 23 selfloop transitions, 20 changer transitions 1/54 dead transitions. [2021-04-29 04:07:02,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 54 transitions, 592 flow [2021-04-29 04:07:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:02,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:02,302 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:02,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:02,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:02,306 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:02,306 INFO L185 Difference]: Start difference. First operand has 59 places, 38 transitions, 373 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:02,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 54 transitions, 592 flow [2021-04-29 04:07:02,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 54 transitions, 565 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:02,317 INFO L241 Difference]: Finished difference. Result has 68 places, 43 transitions, 487 flow [2021-04-29 04:07:02,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=487, PETRI_PLACES=68, PETRI_TRANSITIONS=43} [2021-04-29 04:07:02,318 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 31 predicate places. [2021-04-29 04:07:02,318 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:02,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 43 transitions, 487 flow [2021-04-29 04:07:02,318 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 43 transitions, 487 flow [2021-04-29 04:07:02,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 43 transitions, 487 flow [2021-04-29 04:07:02,351 INFO L129 PetriNetUnfolder]: 0/187 cut-off events. [2021-04-29 04:07:02,351 INFO L130 PetriNetUnfolder]: For 809/869 co-relation queries the response was YES. [2021-04-29 04:07:02,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 187 events. 0/187 cut-off events. For 809/869 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1472 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2021-04-29 04:07:02,354 INFO L146 LiptonReduction]: Number of co-enabled transitions 186 [2021-04-29 04:07:02,360 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:02,360 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:02,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-29 04:07:02,361 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 43 transitions, 487 flow [2021-04-29 04:07:02,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:02,362 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:02,362 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:02,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 04:07:02,362 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:02,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:02,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1709741504, now seen corresponding path program 6 times [2021-04-29 04:07:02,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:02,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729797467] [2021-04-29 04:07:02,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:02,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:02,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:02,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:02,417 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:02,440 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:02,471 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:02,498 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 04:07:02,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729797467] [2021-04-29 04:07:02,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:02,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:02,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890236963] [2021-04-29 04:07:02,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:02,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:02,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:02,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:02,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:02,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 43 transitions, 487 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:02,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:02,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:02,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:02,646 INFO L129 PetriNetUnfolder]: 41/352 cut-off events. [2021-04-29 04:07:02,646 INFO L130 PetriNetUnfolder]: For 1952/1975 co-relation queries the response was YES. [2021-04-29 04:07:02,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 352 events. 41/352 cut-off events. For 1952/1975 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3013 event pairs, 21 based on Foata normal form. 3/340 useless extension candidates. Maximal degree in co-relation 1339. Up to 74 conditions per place. [2021-04-29 04:07:02,651 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 31 selfloop transitions, 19 changer transitions 3/63 dead transitions. [2021-04-29 04:07:02,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 63 transitions, 813 flow [2021-04-29 04:07:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:02,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:02,653 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:02,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:02,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:02,657 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:02,657 INFO L185 Difference]: Start difference. First operand has 67 places, 43 transitions, 487 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:02,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 63 transitions, 813 flow [2021-04-29 04:07:02,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 63 transitions, 783 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:02,670 INFO L241 Difference]: Finished difference. Result has 76 places, 47 transitions, 591 flow [2021-04-29 04:07:02,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=591, PETRI_PLACES=76, PETRI_TRANSITIONS=47} [2021-04-29 04:07:02,670 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 39 predicate places. [2021-04-29 04:07:02,670 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:02,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 47 transitions, 591 flow [2021-04-29 04:07:02,671 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 47 transitions, 591 flow [2021-04-29 04:07:02,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 47 transitions, 591 flow [2021-04-29 04:07:02,707 INFO L129 PetriNetUnfolder]: 0/230 cut-off events. [2021-04-29 04:07:02,707 INFO L130 PetriNetUnfolder]: For 1478/1589 co-relation queries the response was YES. [2021-04-29 04:07:02,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 230 events. 0/230 cut-off events. For 1478/1589 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1973 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-04-29 04:07:02,710 INFO L146 LiptonReduction]: Number of co-enabled transitions 210 [2021-04-29 04:07:02,717 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:02,717 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:02,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-04-29 04:07:02,718 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 47 transitions, 591 flow [2021-04-29 04:07:02,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:02,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:02,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:02,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 04:07:02,719 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:02,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:02,719 INFO L82 PathProgramCache]: Analyzing trace with hash -2059094116, now seen corresponding path program 7 times [2021-04-29 04:07:02,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:02,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242702271] [2021-04-29 04:07:02,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:02,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:02,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:02,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:02,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:02,755 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:02,768 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:02,789 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:02,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:02,821 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:02,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:02,846 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 04:07:02,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242702271] [2021-04-29 04:07:02,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:02,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:02,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812102955] [2021-04-29 04:07:02,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:02,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:02,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:02,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:02,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:02,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 47 transitions, 591 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:02,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:02,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:02,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:02,970 INFO L129 PetriNetUnfolder]: 41/330 cut-off events. [2021-04-29 04:07:02,970 INFO L130 PetriNetUnfolder]: For 2680/2718 co-relation queries the response was YES. [2021-04-29 04:07:02,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1468 conditions, 330 events. 41/330 cut-off events. For 2680/2718 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2726 event pairs, 21 based on Foata normal form. 6/318 useless extension candidates. Maximal degree in co-relation 1436. Up to 77 conditions per place. [2021-04-29 04:07:02,975 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 26 selfloop transitions, 24 changer transitions 3/63 dead transitions. [2021-04-29 04:07:02,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 63 transitions, 885 flow [2021-04-29 04:07:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:02,977 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:02,978 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:02,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:02,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:02,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:02,981 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:02,981 INFO L185 Difference]: Start difference. First operand has 75 places, 47 transitions, 591 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:02,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 63 transitions, 885 flow [2021-04-29 04:07:02,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 63 transitions, 840 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:02,997 INFO L241 Difference]: Finished difference. Result has 82 places, 51 transitions, 716 flow [2021-04-29 04:07:02,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=716, PETRI_PLACES=82, PETRI_TRANSITIONS=51} [2021-04-29 04:07:02,997 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 45 predicate places. [2021-04-29 04:07:02,998 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:02,998 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 51 transitions, 716 flow [2021-04-29 04:07:02,998 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 51 transitions, 716 flow [2021-04-29 04:07:02,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 51 transitions, 716 flow [2021-04-29 04:07:03,037 INFO L129 PetriNetUnfolder]: 0/225 cut-off events. [2021-04-29 04:07:03,038 INFO L130 PetriNetUnfolder]: For 2042/2215 co-relation queries the response was YES. [2021-04-29 04:07:03,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 814 conditions, 225 events. 0/225 cut-off events. For 2042/2215 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1903 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2021-04-29 04:07:03,041 INFO L146 LiptonReduction]: Number of co-enabled transitions 236 [2021-04-29 04:07:03,049 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:03,049 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:03,049 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-04-29 04:07:03,050 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 51 transitions, 716 flow [2021-04-29 04:07:03,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:03,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:03,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:03,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 04:07:03,051 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:03,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:03,052 INFO L82 PathProgramCache]: Analyzing trace with hash 289139752, now seen corresponding path program 8 times [2021-04-29 04:07:03,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:03,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740315849] [2021-04-29 04:07:03,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:03,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:03,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:03,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:03,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:03,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:03,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:03,095 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:03,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:03,114 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:03,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:03,142 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:03,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:03,167 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 04:07:03,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740315849] [2021-04-29 04:07:03,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:03,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:03,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898755162] [2021-04-29 04:07:03,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:03,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:03,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:03,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:03,169 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:03,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 51 transitions, 716 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:03,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:03,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:03,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:03,354 INFO L129 PetriNetUnfolder]: 25/471 cut-off events. [2021-04-29 04:07:03,355 INFO L130 PetriNetUnfolder]: For 3980/4016 co-relation queries the response was YES. [2021-04-29 04:07:03,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2069 conditions, 471 events. 25/471 cut-off events. For 3980/4016 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4697 event pairs, 19 based on Foata normal form. 5/455 useless extension candidates. Maximal degree in co-relation 2035. Up to 98 conditions per place. [2021-04-29 04:07:03,360 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 42 selfloop transitions, 24 changer transitions 2/78 dead transitions. [2021-04-29 04:07:03,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 78 transitions, 1272 flow [2021-04-29 04:07:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:03,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:03,363 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:03,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:03,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:03,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:03,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:03,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:03,366 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:03,366 INFO L185 Difference]: Start difference. First operand has 81 places, 51 transitions, 716 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:03,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 78 transitions, 1272 flow [2021-04-29 04:07:03,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 78 transitions, 1211 flow, removed 23 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:03,397 INFO L241 Difference]: Finished difference. Result has 89 places, 60 transitions, 935 flow [2021-04-29 04:07:03,398 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=935, PETRI_PLACES=89, PETRI_TRANSITIONS=60} [2021-04-29 04:07:03,398 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 52 predicate places. [2021-04-29 04:07:03,398 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:03,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 60 transitions, 935 flow [2021-04-29 04:07:03,399 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 60 transitions, 935 flow [2021-04-29 04:07:03,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 60 transitions, 935 flow [2021-04-29 04:07:03,480 INFO L129 PetriNetUnfolder]: 0/418 cut-off events. [2021-04-29 04:07:03,480 INFO L130 PetriNetUnfolder]: For 3914/3979 co-relation queries the response was YES. [2021-04-29 04:07:03,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 418 events. 0/418 cut-off events. For 3914/3979 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4316 event pairs, 0 based on Foata normal form. 0/403 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-04-29 04:07:03,486 INFO L146 LiptonReduction]: Number of co-enabled transitions 230 [2021-04-29 04:07:03,496 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:03,497 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:03,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-04-29 04:07:03,498 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 60 transitions, 935 flow [2021-04-29 04:07:03,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:03,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:03,498 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:03,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 04:07:03,499 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:03,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:03,499 INFO L82 PathProgramCache]: Analyzing trace with hash 41398628, now seen corresponding path program 9 times [2021-04-29 04:07:03,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:03,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255650868] [2021-04-29 04:07:03,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:03,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:03,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:03,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:03,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:03,532 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:03,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:03,545 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:03,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:03,565 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:03,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:03,592 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:03,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:03,617 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 04:07:03,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255650868] [2021-04-29 04:07:03,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:03,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:03,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816330693] [2021-04-29 04:07:03,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:03,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:03,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:03,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:03,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:03,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 60 transitions, 935 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:03,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:03,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:03,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:03,824 INFO L129 PetriNetUnfolder]: 24/471 cut-off events. [2021-04-29 04:07:03,825 INFO L130 PetriNetUnfolder]: For 4582/4725 co-relation queries the response was YES. [2021-04-29 04:07:03,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2151 conditions, 471 events. 24/471 cut-off events. For 4582/4725 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4703 event pairs, 21 based on Foata normal form. 13/465 useless extension candidates. Maximal degree in co-relation 2114. Up to 94 conditions per place. [2021-04-29 04:07:03,833 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 25 selfloop transitions, 32 changer transitions 3/70 dead transitions. [2021-04-29 04:07:03,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 70 transitions, 1178 flow [2021-04-29 04:07:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:03,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:03,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:03,836 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:03,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:03,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:03,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:03,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:03,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:03,842 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:03,842 INFO L185 Difference]: Start difference. First operand has 88 places, 60 transitions, 935 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:03,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 70 transitions, 1178 flow [2021-04-29 04:07:03,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 70 transitions, 1146 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:03,883 INFO L241 Difference]: Finished difference. Result has 94 places, 61 transitions, 1004 flow [2021-04-29 04:07:03,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1004, PETRI_PLACES=94, PETRI_TRANSITIONS=61} [2021-04-29 04:07:03,883 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 57 predicate places. [2021-04-29 04:07:03,884 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:03,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 61 transitions, 1004 flow [2021-04-29 04:07:03,884 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 61 transitions, 1004 flow [2021-04-29 04:07:03,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 61 transitions, 1004 flow [2021-04-29 04:07:03,987 INFO L129 PetriNetUnfolder]: 0/420 cut-off events. [2021-04-29 04:07:03,987 INFO L130 PetriNetUnfolder]: For 4354/4420 co-relation queries the response was YES. [2021-04-29 04:07:03,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1691 conditions, 420 events. 0/420 cut-off events. For 4354/4420 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4344 event pairs, 0 based on Foata normal form. 1/406 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-04-29 04:07:03,997 INFO L146 LiptonReduction]: Number of co-enabled transitions 236 [2021-04-29 04:07:04,010 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:04,011 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:04,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-04-29 04:07:04,012 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 61 transitions, 1004 flow [2021-04-29 04:07:04,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:04,012 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:04,012 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:04,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 04:07:04,013 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:04,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:04,013 INFO L82 PathProgramCache]: Analyzing trace with hash -256403714, now seen corresponding path program 10 times [2021-04-29 04:07:04,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:04,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350217611] [2021-04-29 04:07:04,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:04,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:04,054 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:04,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:04,073 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:04,098 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:04,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:04,123 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 04:07:04,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350217611] [2021-04-29 04:07:04,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:04,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:04,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994716996] [2021-04-29 04:07:04,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:04,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:04,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:04,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:04,126 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:04,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 61 transitions, 1004 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:04,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:04,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:04,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:04,314 INFO L129 PetriNetUnfolder]: 24/466 cut-off events. [2021-04-29 04:07:04,314 INFO L130 PetriNetUnfolder]: For 4972/5109 co-relation queries the response was YES. [2021-04-29 04:07:04,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2223 conditions, 466 events. 24/466 cut-off events. For 4972/5109 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4597 event pairs, 7 based on Foata normal form. 1/444 useless extension candidates. Maximal degree in co-relation 2185. Up to 129 conditions per place. [2021-04-29 04:07:04,320 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 28 changer transitions 4/96 dead transitions. [2021-04-29 04:07:04,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 96 transitions, 1803 flow [2021-04-29 04:07:04,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:04,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:04,322 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:04,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:04,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:04,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:04,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:04,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:04,325 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:04,325 INFO L185 Difference]: Start difference. First operand has 93 places, 61 transitions, 1004 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:04,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 96 transitions, 1803 flow [2021-04-29 04:07:04,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 96 transitions, 1697 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:04,352 INFO L241 Difference]: Finished difference. Result has 99 places, 77 transitions, 1396 flow [2021-04-29 04:07:04,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1396, PETRI_PLACES=99, PETRI_TRANSITIONS=77} [2021-04-29 04:07:04,352 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 62 predicate places. [2021-04-29 04:07:04,352 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:04,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 77 transitions, 1396 flow [2021-04-29 04:07:04,353 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 77 transitions, 1396 flow [2021-04-29 04:07:04,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 77 transitions, 1396 flow [2021-04-29 04:07:04,424 INFO L129 PetriNetUnfolder]: 0/414 cut-off events. [2021-04-29 04:07:04,424 INFO L130 PetriNetUnfolder]: For 4847/4929 co-relation queries the response was YES. [2021-04-29 04:07:04,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1719 conditions, 414 events. 0/414 cut-off events. For 4847/4929 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4257 event pairs, 0 based on Foata normal form. 1/400 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-04-29 04:07:04,431 INFO L146 LiptonReduction]: Number of co-enabled transitions 256 [2021-04-29 04:07:04,445 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:04,445 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:04,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-04-29 04:07:04,446 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 77 transitions, 1396 flow [2021-04-29 04:07:04,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:04,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:04,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:04,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 04:07:04,447 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:04,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:04,448 INFO L82 PathProgramCache]: Analyzing trace with hash -355890396, now seen corresponding path program 11 times [2021-04-29 04:07:04,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:04,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488694675] [2021-04-29 04:07:04,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:04,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:04,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:04,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:04,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:04,492 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:04,509 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:04,533 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:04,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:04,557 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 04:07:04,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488694675] [2021-04-29 04:07:04,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:04,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:04,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994466207] [2021-04-29 04:07:04,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:04,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:04,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:04,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:04,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:04,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 77 transitions, 1396 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:04,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:04,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:04,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:04,758 INFO L129 PetriNetUnfolder]: 21/483 cut-off events. [2021-04-29 04:07:04,758 INFO L130 PetriNetUnfolder]: For 5824/6006 co-relation queries the response was YES. [2021-04-29 04:07:04,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2352 conditions, 483 events. 21/483 cut-off events. For 5824/6006 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4871 event pairs, 21 based on Foata normal form. 8/469 useless extension candidates. Maximal degree in co-relation 2311. Up to 95 conditions per place. [2021-04-29 04:07:04,764 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 46 selfloop transitions, 39 changer transitions 2/97 dead transitions. [2021-04-29 04:07:04,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 97 transitions, 1926 flow [2021-04-29 04:07:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:04,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:04,766 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:04,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:04,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:04,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:04,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:04,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:04,770 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:04,770 INFO L185 Difference]: Start difference. First operand has 98 places, 77 transitions, 1396 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:04,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 97 transitions, 1926 flow [2021-04-29 04:07:04,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 97 transitions, 1865 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:04,806 INFO L241 Difference]: Finished difference. Result has 105 places, 88 transitions, 1698 flow [2021-04-29 04:07:04,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1358, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1698, PETRI_PLACES=105, PETRI_TRANSITIONS=88} [2021-04-29 04:07:04,806 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 68 predicate places. [2021-04-29 04:07:04,806 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:04,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 88 transitions, 1698 flow [2021-04-29 04:07:04,807 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 88 transitions, 1698 flow [2021-04-29 04:07:04,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 88 transitions, 1698 flow [2021-04-29 04:07:04,885 INFO L129 PetriNetUnfolder]: 0/439 cut-off events. [2021-04-29 04:07:04,886 INFO L130 PetriNetUnfolder]: For 5875/5956 co-relation queries the response was YES. [2021-04-29 04:07:04,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1943 conditions, 439 events. 0/439 cut-off events. For 5875/5956 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4595 event pairs, 0 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-04-29 04:07:04,893 INFO L146 LiptonReduction]: Number of co-enabled transitions 290 [2021-04-29 04:07:04,913 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:04,913 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:04,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-04-29 04:07:04,914 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 88 transitions, 1698 flow [2021-04-29 04:07:04,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:04,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:04,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:04,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 04:07:04,915 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:04,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:04,915 INFO L82 PathProgramCache]: Analyzing trace with hash 397412310, now seen corresponding path program 12 times [2021-04-29 04:07:04,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:04,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904920667] [2021-04-29 04:07:04,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:04,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:04,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:04,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:04,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:04,946 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:04,959 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:04,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:04,977 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:04,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:05,004 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:05,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:05,029 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 04:07:05,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904920667] [2021-04-29 04:07:05,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:05,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:05,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409187467] [2021-04-29 04:07:05,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:05,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:05,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:05,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:05,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:05,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 88 transitions, 1698 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:05,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:05,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:05,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:05,259 INFO L129 PetriNetUnfolder]: 21/477 cut-off events. [2021-04-29 04:07:05,259 INFO L130 PetriNetUnfolder]: For 6325/6523 co-relation queries the response was YES. [2021-04-29 04:07:05,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 477 events. 21/477 cut-off events. For 6325/6523 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4804 event pairs, 21 based on Foata normal form. 13/472 useless extension candidates. Maximal degree in co-relation 2388. Up to 93 conditions per place. [2021-04-29 04:07:05,265 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 30 selfloop transitions, 56 changer transitions 4/100 dead transitions. [2021-04-29 04:07:05,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 100 transitions, 2081 flow [2021-04-29 04:07:05,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:05,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:05,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:05,269 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:05,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:05,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:05,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:05,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:05,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:05,273 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:05,273 INFO L185 Difference]: Start difference. First operand has 104 places, 88 transitions, 1698 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:05,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 100 transitions, 2081 flow [2021-04-29 04:07:05,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 100 transitions, 1975 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:05,316 INFO L241 Difference]: Finished difference. Result has 109 places, 88 transitions, 1767 flow [2021-04-29 04:07:05,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1603, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1767, PETRI_PLACES=109, PETRI_TRANSITIONS=88} [2021-04-29 04:07:05,316 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 72 predicate places. [2021-04-29 04:07:05,316 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:05,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 88 transitions, 1767 flow [2021-04-29 04:07:05,317 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 88 transitions, 1767 flow [2021-04-29 04:07:05,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 88 transitions, 1767 flow [2021-04-29 04:07:05,393 INFO L129 PetriNetUnfolder]: 0/428 cut-off events. [2021-04-29 04:07:05,393 INFO L130 PetriNetUnfolder]: For 5973/6055 co-relation queries the response was YES. [2021-04-29 04:07:05,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1938 conditions, 428 events. 0/428 cut-off events. For 5973/6055 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4444 event pairs, 0 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-04-29 04:07:05,400 INFO L146 LiptonReduction]: Number of co-enabled transitions 286 [2021-04-29 04:07:05,420 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:05,420 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:05,420 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-04-29 04:07:05,421 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 88 transitions, 1767 flow [2021-04-29 04:07:05,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:05,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:05,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:05,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 04:07:05,422 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:05,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:05,422 INFO L82 PathProgramCache]: Analyzing trace with hash -886068346, now seen corresponding path program 13 times [2021-04-29 04:07:05,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:05,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468420647] [2021-04-29 04:07:05,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:05,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:05,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:05,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:05,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:05,452 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:05,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:05,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:05,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:05,484 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:05,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:05,510 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:05,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:05,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468420647] [2021-04-29 04:07:05,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:05,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:05,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343243778] [2021-04-29 04:07:05,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:05,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:05,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:05,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:05,538 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:05,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 88 transitions, 1767 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:05,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:05,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:05,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:05,742 INFO L129 PetriNetUnfolder]: 21/466 cut-off events. [2021-04-29 04:07:05,742 INFO L130 PetriNetUnfolder]: For 6482/6696 co-relation queries the response was YES. [2021-04-29 04:07:05,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2416 conditions, 466 events. 21/466 cut-off events. For 6482/6696 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4638 event pairs, 21 based on Foata normal form. 14/463 useless extension candidates. Maximal degree in co-relation 2372. Up to 93 conditions per place. [2021-04-29 04:07:05,748 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 32 selfloop transitions, 54 changer transitions 2/98 dead transitions. [2021-04-29 04:07:05,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 98 transitions, 2116 flow [2021-04-29 04:07:05,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:05,750 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:05,750 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:05,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:05,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:05,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:05,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:05,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:05,754 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:05,754 INFO L185 Difference]: Start difference. First operand has 107 places, 88 transitions, 1767 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:05,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 98 transitions, 2116 flow [2021-04-29 04:07:05,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 98 transitions, 1987 flow, removed 23 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:05,798 INFO L241 Difference]: Finished difference. Result has 112 places, 90 transitions, 1857 flow [2021-04-29 04:07:05,798 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1662, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1857, PETRI_PLACES=112, PETRI_TRANSITIONS=90} [2021-04-29 04:07:05,798 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 75 predicate places. [2021-04-29 04:07:05,798 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:05,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 90 transitions, 1857 flow [2021-04-29 04:07:05,799 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 90 transitions, 1857 flow [2021-04-29 04:07:05,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 90 transitions, 1857 flow [2021-04-29 04:07:05,875 INFO L129 PetriNetUnfolder]: 0/422 cut-off events. [2021-04-29 04:07:05,875 INFO L130 PetriNetUnfolder]: For 5868/5957 co-relation queries the response was YES. [2021-04-29 04:07:05,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1927 conditions, 422 events. 0/422 cut-off events. For 5868/5957 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4367 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-04-29 04:07:05,882 INFO L146 LiptonReduction]: Number of co-enabled transitions 292 [2021-04-29 04:07:05,903 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:05,903 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:05,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-04-29 04:07:05,904 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 90 transitions, 1857 flow [2021-04-29 04:07:05,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:05,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:05,905 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:05,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 04:07:05,905 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:05,905 INFO L82 PathProgramCache]: Analyzing trace with hash -105104582, now seen corresponding path program 14 times [2021-04-29 04:07:05,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:05,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562422531] [2021-04-29 04:07:05,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:05,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:05,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:05,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:05,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:05,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:05,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:05,950 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:05,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:05,969 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:05,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:05,995 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:05,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:06,024 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 04:07:06,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562422531] [2021-04-29 04:07:06,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:06,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:06,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649270458] [2021-04-29 04:07:06,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:06,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:06,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:06,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:06,027 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:06,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 90 transitions, 1857 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:06,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:06,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:06,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:06,217 INFO L129 PetriNetUnfolder]: 21/460 cut-off events. [2021-04-29 04:07:06,218 INFO L130 PetriNetUnfolder]: For 6332/6570 co-relation queries the response was YES. [2021-04-29 04:07:06,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2388 conditions, 460 events. 21/460 cut-off events. For 6332/6570 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4556 event pairs, 21 based on Foata normal form. 17/460 useless extension candidates. Maximal degree in co-relation 2343. Up to 93 conditions per place. [2021-04-29 04:07:06,224 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 55 changer transitions 3/96 dead transitions. [2021-04-29 04:07:06,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 96 transitions, 2104 flow [2021-04-29 04:07:06,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:06,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:06,226 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:06,226 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:06,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:06,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:06,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:06,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:06,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:06,229 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:06,229 INFO L185 Difference]: Start difference. First operand has 111 places, 90 transitions, 1857 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:06,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 96 transitions, 2104 flow [2021-04-29 04:07:06,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 96 transitions, 2014 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:06,275 INFO L241 Difference]: Finished difference. Result has 115 places, 90 transitions, 1894 flow [2021-04-29 04:07:06,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1773, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1894, PETRI_PLACES=115, PETRI_TRANSITIONS=90} [2021-04-29 04:07:06,276 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 78 predicate places. [2021-04-29 04:07:06,276 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:06,276 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 90 transitions, 1894 flow [2021-04-29 04:07:06,276 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 90 transitions, 1894 flow [2021-04-29 04:07:06,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 90 transitions, 1894 flow [2021-04-29 04:07:06,353 INFO L129 PetriNetUnfolder]: 0/415 cut-off events. [2021-04-29 04:07:06,354 INFO L130 PetriNetUnfolder]: For 5696/5794 co-relation queries the response was YES. [2021-04-29 04:07:06,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1927 conditions, 415 events. 0/415 cut-off events. For 5696/5794 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4281 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-04-29 04:07:06,360 INFO L146 LiptonReduction]: Number of co-enabled transitions 286 [2021-04-29 04:07:06,383 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:06,385 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:06,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-04-29 04:07:06,387 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 90 transitions, 1894 flow [2021-04-29 04:07:06,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:06,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:06,388 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:06,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 04:07:06,388 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:06,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:06,388 INFO L82 PathProgramCache]: Analyzing trace with hash 143880460, now seen corresponding path program 15 times [2021-04-29 04:07:06,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:06,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260523446] [2021-04-29 04:07:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:06,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:06,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:06,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:06,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:06,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:06,465 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:06,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:06,494 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:06,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:06,521 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 04:07:06,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260523446] [2021-04-29 04:07:06,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:06,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:06,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200692762] [2021-04-29 04:07:06,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:06,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:06,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:06,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:06,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:06,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 90 transitions, 1894 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:06,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:06,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:06,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:06,784 INFO L129 PetriNetUnfolder]: 21/453 cut-off events. [2021-04-29 04:07:06,784 INFO L130 PetriNetUnfolder]: For 6088/6298 co-relation queries the response was YES. [2021-04-29 04:07:06,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2384 conditions, 453 events. 21/453 cut-off events. For 6088/6298 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4461 event pairs, 21 based on Foata normal form. 15/449 useless extension candidates. Maximal degree in co-relation 2339. Up to 93 conditions per place. [2021-04-29 04:07:06,793 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 29 selfloop transitions, 54 changer transitions 3/96 dead transitions. [2021-04-29 04:07:06,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 96 transitions, 2151 flow [2021-04-29 04:07:06,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:06,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:06,797 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:06,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:06,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:06,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:06,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:06,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:06,802 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:06,802 INFO L185 Difference]: Start difference. First operand has 113 places, 90 transitions, 1894 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:06,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 96 transitions, 2151 flow [2021-04-29 04:07:06,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 96 transitions, 2026 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:06,863 INFO L241 Difference]: Finished difference. Result has 115 places, 90 transitions, 1900 flow [2021-04-29 04:07:06,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1781, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1900, PETRI_PLACES=115, PETRI_TRANSITIONS=90} [2021-04-29 04:07:06,864 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 78 predicate places. [2021-04-29 04:07:06,864 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:06,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 90 transitions, 1900 flow [2021-04-29 04:07:06,865 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 90 transitions, 1900 flow [2021-04-29 04:07:06,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 90 transitions, 1900 flow [2021-04-29 04:07:06,951 INFO L129 PetriNetUnfolder]: 0/406 cut-off events. [2021-04-29 04:07:06,951 INFO L130 PetriNetUnfolder]: For 5533/5606 co-relation queries the response was YES. [2021-04-29 04:07:06,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1885 conditions, 406 events. 0/406 cut-off events. For 5533/5606 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4165 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-04-29 04:07:06,958 INFO L146 LiptonReduction]: Number of co-enabled transitions 286 [2021-04-29 04:07:06,966 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:06,967 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:06,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-04-29 04:07:06,968 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 90 transitions, 1900 flow [2021-04-29 04:07:06,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:06,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:06,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:06,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 04:07:06,969 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:06,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:06,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1450146076, now seen corresponding path program 16 times [2021-04-29 04:07:06,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:06,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843610598] [2021-04-29 04:07:06,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:06,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:06,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:06,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:06,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:07,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:07,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:07,040 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:07,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:07,065 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:07,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:07,090 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 04:07:07,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843610598] [2021-04-29 04:07:07,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:07,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:07,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589546808] [2021-04-29 04:07:07,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:07,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:07,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:07,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:07,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:07,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 90 transitions, 1900 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:07,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:07,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:07,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:07,287 INFO L129 PetriNetUnfolder]: 21/446 cut-off events. [2021-04-29 04:07:07,288 INFO L130 PetriNetUnfolder]: For 5771/5928 co-relation queries the response was YES. [2021-04-29 04:07:07,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2339 conditions, 446 events. 21/446 cut-off events. For 5771/5928 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4403 event pairs, 17 based on Foata normal form. 9/437 useless extension candidates. Maximal degree in co-relation 2295. Up to 91 conditions per place. [2021-04-29 04:07:07,295 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 38 changer transitions 2/106 dead transitions. [2021-04-29 04:07:07,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 106 transitions, 2379 flow [2021-04-29 04:07:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:07,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:07,298 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:07,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:07,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:07,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:07,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:07,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:07,302 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:07,302 INFO L185 Difference]: Start difference. First operand has 114 places, 90 transitions, 1900 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:07,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 106 transitions, 2379 flow [2021-04-29 04:07:07,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 106 transitions, 2261 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:07,350 INFO L241 Difference]: Finished difference. Result has 120 places, 96 transitions, 2029 flow [2021-04-29 04:07:07,351 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1798, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2029, PETRI_PLACES=120, PETRI_TRANSITIONS=96} [2021-04-29 04:07:07,351 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 83 predicate places. [2021-04-29 04:07:07,351 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:07,352 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 96 transitions, 2029 flow [2021-04-29 04:07:07,352 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 96 transitions, 2029 flow [2021-04-29 04:07:07,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 96 transitions, 2029 flow [2021-04-29 04:07:07,435 INFO L129 PetriNetUnfolder]: 0/399 cut-off events. [2021-04-29 04:07:07,435 INFO L130 PetriNetUnfolder]: For 5906/5993 co-relation queries the response was YES. [2021-04-29 04:07:07,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1903 conditions, 399 events. 0/399 cut-off events. For 5906/5993 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4035 event pairs, 0 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-04-29 04:07:07,441 INFO L146 LiptonReduction]: Number of co-enabled transitions 322 [2021-04-29 04:07:07,451 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:07,451 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:07,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-04-29 04:07:07,452 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 96 transitions, 2029 flow [2021-04-29 04:07:07,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:07,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:07,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:07,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 04:07:07,453 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:07,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:07,454 INFO L82 PathProgramCache]: Analyzing trace with hash 524271372, now seen corresponding path program 17 times [2021-04-29 04:07:07,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:07,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501901430] [2021-04-29 04:07:07,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:07,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:07,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:07,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:07,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:07,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:07,528 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:07,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:07,556 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:07,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:07,582 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 04:07:07,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501901430] [2021-04-29 04:07:07,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:07,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:07,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254593646] [2021-04-29 04:07:07,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:07,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:07,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:07,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:07,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:07,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 96 transitions, 2029 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:07,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:07,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:07,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:07,772 INFO L129 PetriNetUnfolder]: 21/439 cut-off events. [2021-04-29 04:07:07,772 INFO L130 PetriNetUnfolder]: For 6168/6326 co-relation queries the response was YES. [2021-04-29 04:07:07,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2362 conditions, 439 events. 21/439 cut-off events. For 6168/6326 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4298 event pairs, 17 based on Foata normal form. 10/431 useless extension candidates. Maximal degree in co-relation 2315. Up to 91 conditions per place. [2021-04-29 04:07:07,778 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 37 changer transitions 3/104 dead transitions. [2021-04-29 04:07:07,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 104 transitions, 2345 flow [2021-04-29 04:07:07,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:07,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:07,780 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:07,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:07,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:07,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:07,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:07,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:07,783 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:07,783 INFO L185 Difference]: Start difference. First operand has 119 places, 96 transitions, 2029 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:07,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 104 transitions, 2345 flow [2021-04-29 04:07:07,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 104 transitions, 2271 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:07,826 INFO L241 Difference]: Finished difference. Result has 123 places, 96 transitions, 2058 flow [2021-04-29 04:07:07,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1963, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2058, PETRI_PLACES=123, PETRI_TRANSITIONS=96} [2021-04-29 04:07:07,827 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 86 predicate places. [2021-04-29 04:07:07,827 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:07,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 96 transitions, 2058 flow [2021-04-29 04:07:07,827 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 96 transitions, 2058 flow [2021-04-29 04:07:07,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 96 transitions, 2058 flow [2021-04-29 04:07:07,905 INFO L129 PetriNetUnfolder]: 0/391 cut-off events. [2021-04-29 04:07:07,905 INFO L130 PetriNetUnfolder]: For 5850/5937 co-relation queries the response was YES. [2021-04-29 04:07:07,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1896 conditions, 391 events. 0/391 cut-off events. For 5850/5937 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3928 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-04-29 04:07:07,911 INFO L146 LiptonReduction]: Number of co-enabled transitions 314 [2021-04-29 04:07:07,921 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:07,921 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:07,922 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 95 [2021-04-29 04:07:07,922 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 96 transitions, 2058 flow [2021-04-29 04:07:07,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:07,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:07,923 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:07,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 04:07:07,923 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:07,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:07,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1710981194, now seen corresponding path program 18 times [2021-04-29 04:07:07,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:07,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172591572] [2021-04-29 04:07:07,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:07,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:07,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:07,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:07,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:07,967 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:07,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:07,985 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:07,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:08,011 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:08,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:08,036 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 04:07:08,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172591572] [2021-04-29 04:07:08,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:08,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:08,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694216913] [2021-04-29 04:07:08,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:08,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:08,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:08,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:08,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:08,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 96 transitions, 2058 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:08,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:08,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:08,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:08,253 INFO L129 PetriNetUnfolder]: 21/431 cut-off events. [2021-04-29 04:07:08,253 INFO L130 PetriNetUnfolder]: For 6128/6283 co-relation queries the response was YES. [2021-04-29 04:07:08,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2355 conditions, 431 events. 21/431 cut-off events. For 6128/6283 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4194 event pairs, 17 based on Foata normal form. 9/422 useless extension candidates. Maximal degree in co-relation 2308. Up to 91 conditions per place. [2021-04-29 04:07:08,259 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 46 selfloop transitions, 43 changer transitions 2/101 dead transitions. [2021-04-29 04:07:08,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 101 transitions, 2294 flow [2021-04-29 04:07:08,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:08,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:08,261 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:08,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:08,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:08,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:08,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:08,264 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:08,264 INFO L185 Difference]: Start difference. First operand has 122 places, 96 transitions, 2058 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:08,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 101 transitions, 2294 flow [2021-04-29 04:07:08,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 101 transitions, 2221 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:08,307 INFO L241 Difference]: Finished difference. Result has 126 places, 95 transitions, 2061 flow [2021-04-29 04:07:08,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1991, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2061, PETRI_PLACES=126, PETRI_TRANSITIONS=95} [2021-04-29 04:07:08,308 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 89 predicate places. [2021-04-29 04:07:08,308 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:08,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 95 transitions, 2061 flow [2021-04-29 04:07:08,308 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 95 transitions, 2061 flow [2021-04-29 04:07:08,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 95 transitions, 2061 flow [2021-04-29 04:07:08,395 INFO L129 PetriNetUnfolder]: 0/383 cut-off events. [2021-04-29 04:07:08,395 INFO L130 PetriNetUnfolder]: For 5764/5842 co-relation queries the response was YES. [2021-04-29 04:07:08,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1870 conditions, 383 events. 0/383 cut-off events. For 5764/5842 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3834 event pairs, 0 based on Foata normal form. 0/373 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-04-29 04:07:08,402 INFO L146 LiptonReduction]: Number of co-enabled transitions 310 [2021-04-29 04:07:08,414 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:08,414 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:08,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-04-29 04:07:08,415 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 95 transitions, 2061 flow [2021-04-29 04:07:08,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:08,416 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:08,416 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:08,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 04:07:08,416 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:08,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:08,417 INFO L82 PathProgramCache]: Analyzing trace with hash -455562746, now seen corresponding path program 19 times [2021-04-29 04:07:08,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:08,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835868709] [2021-04-29 04:07:08,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:08,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:08,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:08,477 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:08,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:08,507 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:08,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:08,534 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 04:07:08,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835868709] [2021-04-29 04:07:08,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:08,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:08,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457745627] [2021-04-29 04:07:08,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:08,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:08,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:08,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:08,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:08,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 95 transitions, 2061 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:08,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:08,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:08,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:08,754 INFO L129 PetriNetUnfolder]: 17/449 cut-off events. [2021-04-29 04:07:08,754 INFO L130 PetriNetUnfolder]: For 6456/6611 co-relation queries the response was YES. [2021-04-29 04:07:08,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2442 conditions, 449 events. 17/449 cut-off events. For 6456/6611 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4472 event pairs, 17 based on Foata normal form. 8/440 useless extension candidates. Maximal degree in co-relation 2394. Up to 90 conditions per place. [2021-04-29 04:07:08,759 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 63 selfloop transitions, 38 changer transitions 2/113 dead transitions. [2021-04-29 04:07:08,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 113 transitions, 2650 flow [2021-04-29 04:07:08,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:08,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:08,761 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:08,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:08,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:08,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:08,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:08,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:08,763 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:08,763 INFO L185 Difference]: Start difference. First operand has 125 places, 95 transitions, 2061 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:08,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 113 transitions, 2650 flow [2021-04-29 04:07:08,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 113 transitions, 2560 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:08,810 INFO L241 Difference]: Finished difference. Result has 131 places, 99 transitions, 2192 flow [2021-04-29 04:07:08,811 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1984, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2192, PETRI_PLACES=131, PETRI_TRANSITIONS=99} [2021-04-29 04:07:08,811 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 94 predicate places. [2021-04-29 04:07:08,811 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:08,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 99 transitions, 2192 flow [2021-04-29 04:07:08,812 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 99 transitions, 2192 flow [2021-04-29 04:07:08,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 99 transitions, 2192 flow [2021-04-29 04:07:08,880 INFO L129 PetriNetUnfolder]: 0/413 cut-off events. [2021-04-29 04:07:08,880 INFO L130 PetriNetUnfolder]: For 6759/6850 co-relation queries the response was YES. [2021-04-29 04:07:08,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2072 conditions, 413 events. 0/413 cut-off events. For 6759/6850 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4215 event pairs, 0 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-04-29 04:07:08,887 INFO L146 LiptonReduction]: Number of co-enabled transitions 320 [2021-04-29 04:07:08,895 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:08,896 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:08,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-04-29 04:07:08,897 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 99 transitions, 2192 flow [2021-04-29 04:07:08,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:08,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:08,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:08,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 04:07:08,897 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:08,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:08,898 INFO L82 PathProgramCache]: Analyzing trace with hash -2071671752, now seen corresponding path program 20 times [2021-04-29 04:07:08,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:08,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795931052] [2021-04-29 04:07:08,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:08,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:08,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:08,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:08,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:08,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:08,950 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:08,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:08,976 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:08,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:09,001 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 04:07:09,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795931052] [2021-04-29 04:07:09,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:09,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:09,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550355707] [2021-04-29 04:07:09,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:09,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:09,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:09,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:09,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:09,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 99 transitions, 2192 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:09,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:09,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:09,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:09,200 INFO L129 PetriNetUnfolder]: 17/442 cut-off events. [2021-04-29 04:07:09,201 INFO L130 PetriNetUnfolder]: For 6856/7028 co-relation queries the response was YES. [2021-04-29 04:07:09,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2452 conditions, 442 events. 17/442 cut-off events. For 6856/7028 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4383 event pairs, 17 based on Foata normal form. 9/435 useless extension candidates. Maximal degree in co-relation 2401. Up to 91 conditions per place. [2021-04-29 04:07:09,206 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 40 changer transitions 2/106 dead transitions. [2021-04-29 04:07:09,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 106 transitions, 2499 flow [2021-04-29 04:07:09,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:09,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:09,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:09,208 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:09,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:09,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:09,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:09,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:09,210 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:09,210 INFO L185 Difference]: Start difference. First operand has 130 places, 99 transitions, 2192 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:09,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 106 transitions, 2499 flow [2021-04-29 04:07:09,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 106 transitions, 2464 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:09,262 INFO L241 Difference]: Finished difference. Result has 136 places, 99 transitions, 2266 flow [2021-04-29 04:07:09,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2266, PETRI_PLACES=136, PETRI_TRANSITIONS=99} [2021-04-29 04:07:09,263 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 99 predicate places. [2021-04-29 04:07:09,263 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:09,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 99 transitions, 2266 flow [2021-04-29 04:07:09,263 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 99 transitions, 2266 flow [2021-04-29 04:07:09,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 99 transitions, 2266 flow [2021-04-29 04:07:09,333 INFO L129 PetriNetUnfolder]: 0/406 cut-off events. [2021-04-29 04:07:09,334 INFO L130 PetriNetUnfolder]: For 7273/7365 co-relation queries the response was YES. [2021-04-29 04:07:09,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2116 conditions, 406 events. 0/406 cut-off events. For 7273/7365 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4122 event pairs, 0 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-04-29 04:07:09,341 INFO L146 LiptonReduction]: Number of co-enabled transitions 326 [2021-04-29 04:07:09,350 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:09,350 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:09,350 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-04-29 04:07:09,351 INFO L480 AbstractCegarLoop]: Abstraction has has 135 places, 99 transitions, 2266 flow [2021-04-29 04:07:09,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:09,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:09,351 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:09,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 04:07:09,351 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:09,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:09,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2010874306, now seen corresponding path program 21 times [2021-04-29 04:07:09,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:09,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493395224] [2021-04-29 04:07:09,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:09,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:09,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:09,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:09,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:09,403 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:09,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:09,430 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:09,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:09,455 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 04:07:09,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493395224] [2021-04-29 04:07:09,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:09,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:09,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036657359] [2021-04-29 04:07:09,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:09,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:09,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:09,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:09,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:09,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 99 transitions, 2266 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:09,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:09,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:09,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:09,650 INFO L129 PetriNetUnfolder]: 17/435 cut-off events. [2021-04-29 04:07:09,650 INFO L130 PetriNetUnfolder]: For 7248/7443 co-relation queries the response was YES. [2021-04-29 04:07:09,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2493 conditions, 435 events. 17/435 cut-off events. For 7248/7443 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4277 event pairs, 17 based on Foata normal form. 12/429 useless extension candidates. Maximal degree in co-relation 2441. Up to 91 conditions per place. [2021-04-29 04:07:09,655 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 39 changer transitions 2/104 dead transitions. [2021-04-29 04:07:09,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 104 transitions, 2514 flow [2021-04-29 04:07:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:09,657 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:09,657 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:09,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:09,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:09,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:09,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:09,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:09,659 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:09,659 INFO L185 Difference]: Start difference. First operand has 135 places, 99 transitions, 2266 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:09,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 104 transitions, 2514 flow [2021-04-29 04:07:09,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 104 transitions, 2437 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:09,707 INFO L241 Difference]: Finished difference. Result has 138 places, 99 transitions, 2279 flow [2021-04-29 04:07:09,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2195, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2279, PETRI_PLACES=138, PETRI_TRANSITIONS=99} [2021-04-29 04:07:09,708 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 101 predicate places. [2021-04-29 04:07:09,708 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:09,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 99 transitions, 2279 flow [2021-04-29 04:07:09,709 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 99 transitions, 2279 flow [2021-04-29 04:07:09,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 99 transitions, 2279 flow [2021-04-29 04:07:09,776 INFO L129 PetriNetUnfolder]: 0/399 cut-off events. [2021-04-29 04:07:09,776 INFO L130 PetriNetUnfolder]: For 7122/7214 co-relation queries the response was YES. [2021-04-29 04:07:09,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2119 conditions, 399 events. 0/399 cut-off events. For 7122/7214 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4030 event pairs, 0 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-04-29 04:07:09,782 INFO L146 LiptonReduction]: Number of co-enabled transitions 330 [2021-04-29 04:07:09,791 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:09,792 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:09,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-04-29 04:07:09,792 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 99 transitions, 2279 flow [2021-04-29 04:07:09,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:09,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:09,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:09,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 04:07:09,793 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:09,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:09,794 INFO L82 PathProgramCache]: Analyzing trace with hash 796857824, now seen corresponding path program 22 times [2021-04-29 04:07:09,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:09,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912579814] [2021-04-29 04:07:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:09,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:09,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:09,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:09,833 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:09,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:09,851 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:09,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:09,878 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:09,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:09,902 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 04:07:09,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912579814] [2021-04-29 04:07:09,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:09,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:09,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897629595] [2021-04-29 04:07:09,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:09,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:09,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:09,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:09,904 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:09,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 99 transitions, 2279 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:09,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:09,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:09,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:10,078 INFO L129 PetriNetUnfolder]: 17/428 cut-off events. [2021-04-29 04:07:10,078 INFO L130 PetriNetUnfolder]: For 7060/7234 co-relation queries the response was YES. [2021-04-29 04:07:10,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2493 conditions, 428 events. 17/428 cut-off events. For 7060/7234 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4187 event pairs, 17 based on Foata normal form. 10/420 useless extension candidates. Maximal degree in co-relation 2442. Up to 90 conditions per place. [2021-04-29 04:07:10,082 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 40 changer transitions 2/108 dead transitions. [2021-04-29 04:07:10,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 108 transitions, 2646 flow [2021-04-29 04:07:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:10,084 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:10,084 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:10,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:10,087 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:10,087 INFO L185 Difference]: Start difference. First operand has 137 places, 99 transitions, 2279 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:10,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 108 transitions, 2646 flow [2021-04-29 04:07:10,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 108 transitions, 2564 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:10,136 INFO L241 Difference]: Finished difference. Result has 143 places, 101 transitions, 2379 flow [2021-04-29 04:07:10,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2207, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2379, PETRI_PLACES=143, PETRI_TRANSITIONS=101} [2021-04-29 04:07:10,137 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 106 predicate places. [2021-04-29 04:07:10,137 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:10,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 101 transitions, 2379 flow [2021-04-29 04:07:10,138 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 101 transitions, 2379 flow [2021-04-29 04:07:10,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 101 transitions, 2379 flow [2021-04-29 04:07:10,206 INFO L129 PetriNetUnfolder]: 0/392 cut-off events. [2021-04-29 04:07:10,206 INFO L130 PetriNetUnfolder]: For 7301/7360 co-relation queries the response was YES. [2021-04-29 04:07:10,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2117 conditions, 392 events. 0/392 cut-off events. For 7301/7360 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3977 event pairs, 0 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-04-29 04:07:10,213 INFO L146 LiptonReduction]: Number of co-enabled transitions 336 [2021-04-29 04:07:10,224 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:10,224 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:10,224 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-04-29 04:07:10,225 INFO L480 AbstractCegarLoop]: Abstraction has has 142 places, 101 transitions, 2379 flow [2021-04-29 04:07:10,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:10,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:10,225 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:10,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 04:07:10,226 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:10,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash -2056268640, now seen corresponding path program 23 times [2021-04-29 04:07:10,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:10,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183531990] [2021-04-29 04:07:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:10,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:10,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:10,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:10,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:10,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:10,281 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:10,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:10,307 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:10,330 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 04:07:10,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183531990] [2021-04-29 04:07:10,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:10,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:10,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879820789] [2021-04-29 04:07:10,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:10,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:10,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:10,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:10,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:10,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 101 transitions, 2379 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:10,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:10,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:10,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:10,507 INFO L129 PetriNetUnfolder]: 17/421 cut-off events. [2021-04-29 04:07:10,507 INFO L130 PetriNetUnfolder]: For 7437/7609 co-relation queries the response was YES. [2021-04-29 04:07:10,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2488 conditions, 421 events. 17/421 cut-off events. For 7437/7609 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4090 event pairs, 17 based on Foata normal form. 9/413 useless extension candidates. Maximal degree in co-relation 2434. Up to 90 conditions per place. [2021-04-29 04:07:10,513 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 46 selfloop transitions, 45 changer transitions 3/104 dead transitions. [2021-04-29 04:07:10,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 104 transitions, 2579 flow [2021-04-29 04:07:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:10,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:10,515 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:10,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:10,517 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:10,518 INFO L185 Difference]: Start difference. First operand has 142 places, 101 transitions, 2379 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:10,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 104 transitions, 2579 flow [2021-04-29 04:07:10,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 104 transitions, 2483 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:10,574 INFO L241 Difference]: Finished difference. Result has 144 places, 98 transitions, 2292 flow [2021-04-29 04:07:10,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2289, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2292, PETRI_PLACES=144, PETRI_TRANSITIONS=98} [2021-04-29 04:07:10,575 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 107 predicate places. [2021-04-29 04:07:10,575 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:10,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 98 transitions, 2292 flow [2021-04-29 04:07:10,575 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 98 transitions, 2292 flow [2021-04-29 04:07:10,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 98 transitions, 2292 flow [2021-04-29 04:07:10,643 INFO L129 PetriNetUnfolder]: 0/383 cut-off events. [2021-04-29 04:07:10,644 INFO L130 PetriNetUnfolder]: For 7015/7102 co-relation queries the response was YES. [2021-04-29 04:07:10,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2064 conditions, 383 events. 0/383 cut-off events. For 7015/7102 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3817 event pairs, 0 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-04-29 04:07:10,650 INFO L146 LiptonReduction]: Number of co-enabled transitions 318 [2021-04-29 04:07:10,660 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:10,660 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:10,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-04-29 04:07:10,661 INFO L480 AbstractCegarLoop]: Abstraction has has 142 places, 98 transitions, 2292 flow [2021-04-29 04:07:10,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:10,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:10,662 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:10,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 04:07:10,662 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:10,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:10,663 INFO L82 PathProgramCache]: Analyzing trace with hash -206417474, now seen corresponding path program 24 times [2021-04-29 04:07:10,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:10,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081965828] [2021-04-29 04:07:10,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:10,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:10,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:10,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:10,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:10,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:10,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:10,731 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:10,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:10,759 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:10,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:10,783 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 04:07:10,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081965828] [2021-04-29 04:07:10,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:10,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:10,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806065654] [2021-04-29 04:07:10,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:10,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:10,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:10,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:10,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:10,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 98 transitions, 2292 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:10,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:10,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:10,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:10,973 INFO L129 PetriNetUnfolder]: 17/412 cut-off events. [2021-04-29 04:07:10,973 INFO L130 PetriNetUnfolder]: For 6972/7136 co-relation queries the response was YES. [2021-04-29 04:07:10,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2430 conditions, 412 events. 17/412 cut-off events. For 6972/7136 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3984 event pairs, 17 based on Foata normal form. 9/404 useless extension candidates. Maximal degree in co-relation 2377. Up to 90 conditions per place. [2021-04-29 04:07:10,977 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 48 selfloop transitions, 41 changer transitions 2/101 dead transitions. [2021-04-29 04:07:10,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 101 transitions, 2486 flow [2021-04-29 04:07:10,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:10,979 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:10,979 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:10,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:10,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:10,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:10,982 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:10,982 INFO L185 Difference]: Start difference. First operand has 142 places, 98 transitions, 2292 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:10,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 101 transitions, 2486 flow [2021-04-29 04:07:11,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 101 transitions, 2306 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-04-29 04:07:11,030 INFO L241 Difference]: Finished difference. Result has 139 places, 96 transitions, 2139 flow [2021-04-29 04:07:11,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2139, PETRI_PLACES=139, PETRI_TRANSITIONS=96} [2021-04-29 04:07:11,031 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 102 predicate places. [2021-04-29 04:07:11,031 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:11,031 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 96 transitions, 2139 flow [2021-04-29 04:07:11,033 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 96 transitions, 2139 flow [2021-04-29 04:07:11,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 96 transitions, 2139 flow [2021-04-29 04:07:11,101 INFO L129 PetriNetUnfolder]: 0/376 cut-off events. [2021-04-29 04:07:11,101 INFO L130 PetriNetUnfolder]: For 6104/6173 co-relation queries the response was YES. [2021-04-29 04:07:11,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1972 conditions, 376 events. 0/376 cut-off events. For 6104/6173 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3726 event pairs, 0 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-04-29 04:07:11,108 INFO L146 LiptonReduction]: Number of co-enabled transitions 306 [2021-04-29 04:07:11,118 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:11,118 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:11,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-04-29 04:07:11,121 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 96 transitions, 2139 flow [2021-04-29 04:07:11,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:11,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:11,122 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:11,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 04:07:11,122 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:11,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:11,123 INFO L82 PathProgramCache]: Analyzing trace with hash -928606180, now seen corresponding path program 25 times [2021-04-29 04:07:11,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:11,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529783737] [2021-04-29 04:07:11,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:11,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:11,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:11,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:11,170 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:11,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:11,189 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:11,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:11,215 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:11,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:11,240 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 04:07:11,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529783737] [2021-04-29 04:07:11,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:11,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:11,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788536683] [2021-04-29 04:07:11,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:11,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:11,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:11,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:11,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:11,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 96 transitions, 2139 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:11,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:11,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:11,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:11,422 INFO L129 PetriNetUnfolder]: 17/405 cut-off events. [2021-04-29 04:07:11,422 INFO L130 PetriNetUnfolder]: For 6387/6570 co-relation queries the response was YES. [2021-04-29 04:07:11,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2335 conditions, 405 events. 17/405 cut-off events. For 6387/6570 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3870 event pairs, 17 based on Foata normal form. 9/398 useless extension candidates. Maximal degree in co-relation 2287. Up to 90 conditions per place. [2021-04-29 04:07:11,436 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 51 selfloop transitions, 38 changer transitions 2/101 dead transitions. [2021-04-29 04:07:11,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 101 transitions, 2379 flow [2021-04-29 04:07:11,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:11,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:11,438 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:11,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:11,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:11,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:11,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:11,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:11,440 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:11,440 INFO L185 Difference]: Start difference. First operand has 138 places, 96 transitions, 2139 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:11,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 101 transitions, 2379 flow [2021-04-29 04:07:11,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 101 transitions, 2289 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:11,484 INFO L241 Difference]: Finished difference. Result has 141 places, 96 transitions, 2136 flow [2021-04-29 04:07:11,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2055, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2136, PETRI_PLACES=141, PETRI_TRANSITIONS=96} [2021-04-29 04:07:11,487 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 104 predicate places. [2021-04-29 04:07:11,487 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:11,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 96 transitions, 2136 flow [2021-04-29 04:07:11,488 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 96 transitions, 2136 flow [2021-04-29 04:07:11,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 96 transitions, 2136 flow [2021-04-29 04:07:11,544 INFO L129 PetriNetUnfolder]: 0/369 cut-off events. [2021-04-29 04:07:11,545 INFO L130 PetriNetUnfolder]: For 6029/6088 co-relation queries the response was YES. [2021-04-29 04:07:11,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1943 conditions, 369 events. 0/369 cut-off events. For 6029/6088 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3649 event pairs, 0 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-04-29 04:07:11,550 INFO L146 LiptonReduction]: Number of co-enabled transitions 304 [2021-04-29 04:07:11,557 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:11,558 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:11,558 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-04-29 04:07:11,559 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 96 transitions, 2136 flow [2021-04-29 04:07:11,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:11,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:11,560 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:11,560 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-29 04:07:11,560 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:11,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:11,561 INFO L82 PathProgramCache]: Analyzing trace with hash -273079528, now seen corresponding path program 26 times [2021-04-29 04:07:11,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:11,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846085248] [2021-04-29 04:07:11,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:11,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:11,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:11,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:11,605 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:11,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:11,623 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:11,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:11,648 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:11,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:11,671 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 04:07:11,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846085248] [2021-04-29 04:07:11,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:11,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:11,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878120637] [2021-04-29 04:07:11,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:11,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:11,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:11,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:11,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:11,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 96 transitions, 2136 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:11,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:11,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:11,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:11,841 INFO L129 PetriNetUnfolder]: 17/398 cut-off events. [2021-04-29 04:07:11,841 INFO L130 PetriNetUnfolder]: For 6275/6456 co-relation queries the response was YES. [2021-04-29 04:07:11,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2303 conditions, 398 events. 17/398 cut-off events. For 6275/6456 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3786 event pairs, 17 based on Foata normal form. 10/392 useless extension candidates. Maximal degree in co-relation 2255. Up to 87 conditions per place. [2021-04-29 04:07:11,845 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 40 changer transitions 2/105 dead transitions. [2021-04-29 04:07:11,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 105 transitions, 2501 flow [2021-04-29 04:07:11,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:11,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:11,847 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:11,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:11,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:11,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:11,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:11,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:11,849 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:11,850 INFO L185 Difference]: Start difference. First operand has 139 places, 96 transitions, 2136 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:11,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 105 transitions, 2501 flow [2021-04-29 04:07:11,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 105 transitions, 2450 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:11,895 INFO L241 Difference]: Finished difference. Result has 144 places, 100 transitions, 2311 flow [2021-04-29 04:07:11,895 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2097, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2311, PETRI_PLACES=144, PETRI_TRANSITIONS=100} [2021-04-29 04:07:11,895 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 107 predicate places. [2021-04-29 04:07:11,896 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:11,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 100 transitions, 2311 flow [2021-04-29 04:07:11,896 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 100 transitions, 2311 flow [2021-04-29 04:07:11,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 100 transitions, 2311 flow [2021-04-29 04:07:11,955 INFO L129 PetriNetUnfolder]: 0/362 cut-off events. [2021-04-29 04:07:11,956 INFO L130 PetriNetUnfolder]: For 6620/6715 co-relation queries the response was YES. [2021-04-29 04:07:11,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1958 conditions, 362 events. 0/362 cut-off events. For 6620/6715 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3570 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-04-29 04:07:11,961 INFO L146 LiptonReduction]: Number of co-enabled transitions 324 [2021-04-29 04:07:11,969 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:11,970 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:11,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-04-29 04:07:11,970 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 100 transitions, 2311 flow [2021-04-29 04:07:11,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:11,971 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:11,971 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:11,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-29 04:07:11,971 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:11,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:11,972 INFO L82 PathProgramCache]: Analyzing trace with hash -979248288, now seen corresponding path program 27 times [2021-04-29 04:07:11,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:11,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776448190] [2021-04-29 04:07:11,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:11,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:11,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:12,005 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:12,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:12,027 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:12,052 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:12,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:12,076 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 04:07:12,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776448190] [2021-04-29 04:07:12,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:12,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:12,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365414164] [2021-04-29 04:07:12,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:12,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:12,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:12,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:12,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:12,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 100 transitions, 2311 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:12,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:12,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:12,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:12,237 INFO L129 PetriNetUnfolder]: 17/391 cut-off events. [2021-04-29 04:07:12,237 INFO L130 PetriNetUnfolder]: For 6466/6619 co-relation queries the response was YES. [2021-04-29 04:07:12,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2315 conditions, 391 events. 17/391 cut-off events. For 6466/6619 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3687 event pairs, 17 based on Foata normal form. 9/382 useless extension candidates. Maximal degree in co-relation 2266. Up to 87 conditions per place. [2021-04-29 04:07:12,241 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 51 selfloop transitions, 39 changer transitions 3/103 dead transitions. [2021-04-29 04:07:12,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 103 transitions, 2509 flow [2021-04-29 04:07:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:12,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:12,243 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:12,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:12,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:12,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:12,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:12,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:12,245 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:12,245 INFO L185 Difference]: Start difference. First operand has 143 places, 100 transitions, 2311 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:12,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 103 transitions, 2509 flow [2021-04-29 04:07:12,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 103 transitions, 2440 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:12,316 INFO L241 Difference]: Finished difference. Result has 146 places, 97 transitions, 2249 flow [2021-04-29 04:07:12,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2248, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2249, PETRI_PLACES=146, PETRI_TRANSITIONS=97} [2021-04-29 04:07:12,317 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 109 predicate places. [2021-04-29 04:07:12,317 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:12,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 97 transitions, 2249 flow [2021-04-29 04:07:12,317 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 97 transitions, 2249 flow [2021-04-29 04:07:12,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 97 transitions, 2249 flow [2021-04-29 04:07:12,370 INFO L129 PetriNetUnfolder]: 0/354 cut-off events. [2021-04-29 04:07:12,371 INFO L130 PetriNetUnfolder]: For 6195/6265 co-relation queries the response was YES. [2021-04-29 04:07:12,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1937 conditions, 354 events. 0/354 cut-off events. For 6195/6265 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3445 event pairs, 0 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-04-29 04:07:12,376 INFO L146 LiptonReduction]: Number of co-enabled transitions 314 [2021-04-29 04:07:12,384 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:12,385 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:12,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-04-29 04:07:12,385 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 97 transitions, 2249 flow [2021-04-29 04:07:12,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:12,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:12,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:12,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-29 04:07:12,386 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:12,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:12,387 INFO L82 PathProgramCache]: Analyzing trace with hash -256832416, now seen corresponding path program 28 times [2021-04-29 04:07:12,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:12,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895680164] [2021-04-29 04:07:12,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:12,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:12,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:12,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:12,421 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:12,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:12,437 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:12,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:12,460 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:12,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:12,483 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 04:07:12,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895680164] [2021-04-29 04:07:12,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:12,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:12,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384810923] [2021-04-29 04:07:12,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:12,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:12,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:12,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:12,485 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:12,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 97 transitions, 2249 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:12,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:12,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:12,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:12,645 INFO L129 PetriNetUnfolder]: 17/383 cut-off events. [2021-04-29 04:07:12,645 INFO L130 PetriNetUnfolder]: For 6252/6405 co-relation queries the response was YES. [2021-04-29 04:07:12,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2290 conditions, 383 events. 17/383 cut-off events. For 6252/6405 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3582 event pairs, 17 based on Foata normal form. 9/376 useless extension candidates. Maximal degree in co-relation 2242. Up to 87 conditions per place. [2021-04-29 04:07:12,649 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 37 changer transitions 1/100 dead transitions. [2021-04-29 04:07:12,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 100 transitions, 2441 flow [2021-04-29 04:07:12,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:12,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:12,651 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:12,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:12,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:12,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:12,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:12,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:12,653 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:12,653 INFO L185 Difference]: Start difference. First operand has 145 places, 97 transitions, 2249 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:12,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 100 transitions, 2441 flow [2021-04-29 04:07:12,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 100 transitions, 2382 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:12,694 INFO L241 Difference]: Finished difference. Result has 149 places, 96 transitions, 2239 flow [2021-04-29 04:07:12,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2196, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2239, PETRI_PLACES=149, PETRI_TRANSITIONS=96} [2021-04-29 04:07:12,695 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 112 predicate places. [2021-04-29 04:07:12,695 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:12,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 96 transitions, 2239 flow [2021-04-29 04:07:12,695 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 96 transitions, 2239 flow [2021-04-29 04:07:12,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 96 transitions, 2239 flow [2021-04-29 04:07:12,751 INFO L129 PetriNetUnfolder]: 0/348 cut-off events. [2021-04-29 04:07:12,751 INFO L130 PetriNetUnfolder]: For 6213/6272 co-relation queries the response was YES. [2021-04-29 04:07:12,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1947 conditions, 348 events. 0/348 cut-off events. For 6213/6272 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3375 event pairs, 0 based on Foata normal form. 0/338 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2021-04-29 04:07:12,757 INFO L146 LiptonReduction]: Number of co-enabled transitions 312 [2021-04-29 04:07:12,765 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:12,765 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:12,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-04-29 04:07:12,766 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 96 transitions, 2239 flow [2021-04-29 04:07:12,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:12,767 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:12,767 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:12,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-29 04:07:12,768 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:12,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:12,768 INFO L82 PathProgramCache]: Analyzing trace with hash -740507792, now seen corresponding path program 29 times [2021-04-29 04:07:12,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:12,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691930213] [2021-04-29 04:07:12,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:12,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:12,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:12,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:12,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:12,819 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:12,843 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:12,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:12,866 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 04:07:12,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691930213] [2021-04-29 04:07:12,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:12,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:12,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072850579] [2021-04-29 04:07:12,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:12,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:12,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:12,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:12,869 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:12,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 96 transitions, 2239 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:12,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:12,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:12,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:13,030 INFO L129 PetriNetUnfolder]: 17/377 cut-off events. [2021-04-29 04:07:13,031 INFO L130 PetriNetUnfolder]: For 6211/6364 co-relation queries the response was YES. [2021-04-29 04:07:13,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2298 conditions, 377 events. 17/377 cut-off events. For 6211/6364 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3500 event pairs, 17 based on Foata normal form. 9/368 useless extension candidates. Maximal degree in co-relation 2250. Up to 87 conditions per place. [2021-04-29 04:07:13,034 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 33 changer transitions 3/99 dead transitions. [2021-04-29 04:07:13,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 99 transitions, 2429 flow [2021-04-29 04:07:13,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:13,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:13,036 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:13,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:13,039 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:13,039 INFO L185 Difference]: Start difference. First operand has 148 places, 96 transitions, 2239 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:13,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 99 transitions, 2429 flow [2021-04-29 04:07:13,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 99 transitions, 2347 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:13,080 INFO L241 Difference]: Finished difference. Result has 150 places, 93 transitions, 2147 flow [2021-04-29 04:07:13,080 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2163, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2147, PETRI_PLACES=150, PETRI_TRANSITIONS=93} [2021-04-29 04:07:13,081 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 113 predicate places. [2021-04-29 04:07:13,081 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:13,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 93 transitions, 2147 flow [2021-04-29 04:07:13,081 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 93 transitions, 2147 flow [2021-04-29 04:07:13,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 93 transitions, 2147 flow [2021-04-29 04:07:13,132 INFO L129 PetriNetUnfolder]: 0/330 cut-off events. [2021-04-29 04:07:13,132 INFO L130 PetriNetUnfolder]: For 5498/5556 co-relation queries the response was YES. [2021-04-29 04:07:13,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 330 events. 0/330 cut-off events. For 5498/5556 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3177 event pairs, 0 based on Foata normal form. 1/325 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2021-04-29 04:07:13,138 INFO L146 LiptonReduction]: Number of co-enabled transitions 300 [2021-04-29 04:07:13,145 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:13,145 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:13,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-04-29 04:07:13,146 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 93 transitions, 2147 flow [2021-04-29 04:07:13,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:13,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:13,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:13,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-29 04:07:13,147 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:13,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:13,147 INFO L82 PathProgramCache]: Analyzing trace with hash -146838402, now seen corresponding path program 30 times [2021-04-29 04:07:13,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:13,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711873671] [2021-04-29 04:07:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:13,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:13,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:13,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:13,173 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:13,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:13,185 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:13,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:13,204 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:13,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:13,236 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:13,269 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 04:07:13,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711873671] [2021-04-29 04:07:13,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:13,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:13,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548272000] [2021-04-29 04:07:13,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:13,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:13,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:13,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:13,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:13,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 93 transitions, 2147 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:13,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:13,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:13,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:13,439 INFO L129 PetriNetUnfolder]: 17/359 cut-off events. [2021-04-29 04:07:13,439 INFO L130 PetriNetUnfolder]: For 5321/5381 co-relation queries the response was YES. [2021-04-29 04:07:13,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2113 conditions, 359 events. 17/359 cut-off events. For 5321/5381 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3313 event pairs, 4 based on Foata normal form. 9/358 useless extension candidates. Maximal degree in co-relation 2066. Up to 86 conditions per place. [2021-04-29 04:07:13,442 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 42 changer transitions 1/105 dead transitions. [2021-04-29 04:07:13,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 105 transitions, 2524 flow [2021-04-29 04:07:13,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:13,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:13,446 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:13,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:13,451 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:13,451 INFO L185 Difference]: Start difference. First operand has 149 places, 93 transitions, 2147 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:13,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 105 transitions, 2524 flow [2021-04-29 04:07:13,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 105 transitions, 2400 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:13,488 INFO L241 Difference]: Finished difference. Result has 152 places, 96 transitions, 2214 flow [2021-04-29 04:07:13,489 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2035, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2214, PETRI_PLACES=152, PETRI_TRANSITIONS=96} [2021-04-29 04:07:13,489 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 115 predicate places. [2021-04-29 04:07:13,489 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:13,490 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 96 transitions, 2214 flow [2021-04-29 04:07:13,490 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 96 transitions, 2214 flow [2021-04-29 04:07:13,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 96 transitions, 2214 flow [2021-04-29 04:07:13,539 INFO L129 PetriNetUnfolder]: 0/326 cut-off events. [2021-04-29 04:07:13,539 INFO L130 PetriNetUnfolder]: For 5410/5460 co-relation queries the response was YES. [2021-04-29 04:07:13,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1765 conditions, 326 events. 0/326 cut-off events. For 5410/5460 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3122 event pairs, 0 based on Foata normal form. 1/319 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place. [2021-04-29 04:07:13,547 INFO L146 LiptonReduction]: Number of co-enabled transitions 304 [2021-04-29 04:07:13,557 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:13,557 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:13,557 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-04-29 04:07:13,558 INFO L480 AbstractCegarLoop]: Abstraction has has 150 places, 96 transitions, 2214 flow [2021-04-29 04:07:13,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:13,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:13,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:13,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-29 04:07:13,559 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:13,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:13,559 INFO L82 PathProgramCache]: Analyzing trace with hash 205706282, now seen corresponding path program 31 times [2021-04-29 04:07:13,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:13,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357704888] [2021-04-29 04:07:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:13,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:13,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:13,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:13,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:13,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:13,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:13,617 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:13,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:13,635 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:13,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:13,660 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:13,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:13,684 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 04:07:13,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357704888] [2021-04-29 04:07:13,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:13,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:13,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478285335] [2021-04-29 04:07:13,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:13,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:13,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:13,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:13,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:13,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 96 transitions, 2214 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:13,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:13,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:13,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:13,814 INFO L129 PetriNetUnfolder]: 17/355 cut-off events. [2021-04-29 04:07:13,814 INFO L130 PetriNetUnfolder]: For 5149/5186 co-relation queries the response was YES. [2021-04-29 04:07:13,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2110 conditions, 355 events. 17/355 cut-off events. For 5149/5186 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3298 event pairs, 4 based on Foata normal form. 3/351 useless extension candidates. Maximal degree in co-relation 2062. Up to 86 conditions per place. [2021-04-29 04:07:13,817 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 51 selfloop transitions, 41 changer transitions 2/104 dead transitions. [2021-04-29 04:07:13,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 104 transitions, 2487 flow [2021-04-29 04:07:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:13,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:13,819 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:13,819 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:13,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:13,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:13,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:13,821 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:13,821 INFO L185 Difference]: Start difference. First operand has 150 places, 96 transitions, 2214 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:13,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 104 transitions, 2487 flow [2021-04-29 04:07:13,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 104 transitions, 2440 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:13,856 INFO L241 Difference]: Finished difference. Result has 155 places, 94 transitions, 2200 flow [2021-04-29 04:07:13,856 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2173, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2200, PETRI_PLACES=155, PETRI_TRANSITIONS=94} [2021-04-29 04:07:13,857 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 118 predicate places. [2021-04-29 04:07:13,857 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:13,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 155 places, 94 transitions, 2200 flow [2021-04-29 04:07:13,857 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 155 places, 94 transitions, 2200 flow [2021-04-29 04:07:13,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 94 transitions, 2200 flow [2021-04-29 04:07:13,907 INFO L129 PetriNetUnfolder]: 0/321 cut-off events. [2021-04-29 04:07:13,908 INFO L130 PetriNetUnfolder]: For 5398/5448 co-relation queries the response was YES. [2021-04-29 04:07:13,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1757 conditions, 321 events. 0/321 cut-off events. For 5398/5448 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3055 event pairs, 0 based on Foata normal form. 1/317 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-04-29 04:07:13,913 INFO L146 LiptonReduction]: Number of co-enabled transitions 288 [2021-04-29 04:07:13,921 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:13,921 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:13,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-04-29 04:07:13,922 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 94 transitions, 2200 flow [2021-04-29 04:07:13,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:13,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:13,923 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:13,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-04-29 04:07:13,923 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:13,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:13,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1662178528, now seen corresponding path program 32 times [2021-04-29 04:07:13,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:13,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524660375] [2021-04-29 04:07:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:13,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:13,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:13,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:13,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:13,958 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:13,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:13,982 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:13,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:14,003 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:14,031 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:14,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:14,055 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 04:07:14,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524660375] [2021-04-29 04:07:14,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:14,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:14,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970887433] [2021-04-29 04:07:14,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:14,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:14,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:14,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:14,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:14,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 94 transitions, 2200 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:14,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:14,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:14,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:14,217 INFO L129 PetriNetUnfolder]: 14/432 cut-off events. [2021-04-29 04:07:14,217 INFO L130 PetriNetUnfolder]: For 6183/6220 co-relation queries the response was YES. [2021-04-29 04:07:14,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2490 conditions, 432 events. 14/432 cut-off events. For 6183/6220 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4237 event pairs, 5 based on Foata normal form. 2/425 useless extension candidates. Maximal degree in co-relation 2442. Up to 92 conditions per place. [2021-04-29 04:07:14,220 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 73 selfloop transitions, 39 changer transitions 3/125 dead transitions. [2021-04-29 04:07:14,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 125 transitions, 3118 flow [2021-04-29 04:07:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:14,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:14,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:14,222 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:14,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:14,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:14,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:14,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:14,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:14,224 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:14,224 INFO L185 Difference]: Start difference. First operand has 153 places, 94 transitions, 2200 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:14,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 125 transitions, 3118 flow [2021-04-29 04:07:14,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 125 transitions, 2959 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:14,265 INFO L241 Difference]: Finished difference. Result has 159 places, 103 transitions, 2446 flow [2021-04-29 04:07:14,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2087, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2446, PETRI_PLACES=159, PETRI_TRANSITIONS=103} [2021-04-29 04:07:14,266 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 122 predicate places. [2021-04-29 04:07:14,266 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:14,266 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 103 transitions, 2446 flow [2021-04-29 04:07:14,267 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 103 transitions, 2446 flow [2021-04-29 04:07:14,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 103 transitions, 2446 flow [2021-04-29 04:07:14,328 INFO L129 PetriNetUnfolder]: 0/397 cut-off events. [2021-04-29 04:07:14,329 INFO L130 PetriNetUnfolder]: For 6144/6190 co-relation queries the response was YES. [2021-04-29 04:07:14,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2117 conditions, 397 events. 0/397 cut-off events. For 6144/6190 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4001 event pairs, 0 based on Foata normal form. 1/385 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-04-29 04:07:14,334 INFO L146 LiptonReduction]: Number of co-enabled transitions 320 [2021-04-29 04:07:14,342 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:14,342 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:14,342 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-04-29 04:07:14,347 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 103 transitions, 2446 flow [2021-04-29 04:07:14,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:14,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:14,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:14,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-04-29 04:07:14,348 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:14,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:14,349 INFO L82 PathProgramCache]: Analyzing trace with hash -477822304, now seen corresponding path program 33 times [2021-04-29 04:07:14,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:14,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754647884] [2021-04-29 04:07:14,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:14,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:14,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:14,396 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:14,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:14,415 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:14,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:14,443 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:14,469 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:14,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:14,493 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 04:07:14,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754647884] [2021-04-29 04:07:14,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:14,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:14,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310812508] [2021-04-29 04:07:14,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:14,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:14,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:14,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:14,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:14,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 103 transitions, 2446 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:14,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:14,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:14,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:14,692 INFO L129 PetriNetUnfolder]: 8/524 cut-off events. [2021-04-29 04:07:14,693 INFO L130 PetriNetUnfolder]: For 7892/7902 co-relation queries the response was YES. [2021-04-29 04:07:14,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2956 conditions, 524 events. 8/524 cut-off events. For 7892/7902 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5521 event pairs, 4 based on Foata normal form. 2/520 useless extension candidates. Maximal degree in co-relation 2905. Up to 103 conditions per place. [2021-04-29 04:07:14,697 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 50 changer transitions 3/137 dead transitions. [2021-04-29 04:07:14,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 137 transitions, 3460 flow [2021-04-29 04:07:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:14,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:14,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:14,699 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:14,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:14,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:14,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:14,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:14,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:14,701 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:14,702 INFO L185 Difference]: Start difference. First operand has 158 places, 103 transitions, 2446 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:14,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 137 transitions, 3460 flow [2021-04-29 04:07:14,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 137 transitions, 3334 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:14,762 INFO L241 Difference]: Finished difference. Result has 164 places, 111 transitions, 2733 flow [2021-04-29 04:07:14,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2364, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2733, PETRI_PLACES=164, PETRI_TRANSITIONS=111} [2021-04-29 04:07:14,763 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 127 predicate places. [2021-04-29 04:07:14,763 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:14,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 111 transitions, 2733 flow [2021-04-29 04:07:14,764 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 111 transitions, 2733 flow [2021-04-29 04:07:14,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 111 transitions, 2733 flow [2021-04-29 04:07:14,855 INFO L129 PetriNetUnfolder]: 0/501 cut-off events. [2021-04-29 04:07:14,855 INFO L130 PetriNetUnfolder]: For 8399/8451 co-relation queries the response was YES. [2021-04-29 04:07:14,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2656 conditions, 501 events. 0/501 cut-off events. For 8399/8451 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5354 event pairs, 0 based on Foata normal form. 1/484 useless extension candidates. Maximal degree in co-relation 0. Up to 61 conditions per place. [2021-04-29 04:07:14,863 INFO L146 LiptonReduction]: Number of co-enabled transitions 360 [2021-04-29 04:07:14,875 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:14,875 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:14,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-04-29 04:07:14,875 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 111 transitions, 2733 flow [2021-04-29 04:07:14,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:14,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:14,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:14,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-04-29 04:07:14,876 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:14,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:14,877 INFO L82 PathProgramCache]: Analyzing trace with hash -879894616, now seen corresponding path program 34 times [2021-04-29 04:07:14,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:14,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143722570] [2021-04-29 04:07:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:14,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:14,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:14,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:14,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:14,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:14,939 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:14,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:14,967 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:14,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:14,992 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:14,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:15,017 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 04:07:15,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143722570] [2021-04-29 04:07:15,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:15,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:15,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010177414] [2021-04-29 04:07:15,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:15,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:15,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:15,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:15,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:15,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 111 transitions, 2733 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:15,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:15,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:15,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:15,191 INFO L129 PetriNetUnfolder]: 8/516 cut-off events. [2021-04-29 04:07:15,191 INFO L130 PetriNetUnfolder]: For 8897/8965 co-relation queries the response was YES. [2021-04-29 04:07:15,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3010 conditions, 516 events. 8/516 cut-off events. For 8897/8965 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5418 event pairs, 1 based on Foata normal form. 5/511 useless extension candidates. Maximal degree in co-relation 2956. Up to 128 conditions per place. [2021-04-29 04:07:15,195 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 79 selfloop transitions, 50 changer transitions 3/142 dead transitions. [2021-04-29 04:07:15,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 142 transitions, 3663 flow [2021-04-29 04:07:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:15,197 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:15,197 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:15,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:15,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:15,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:15,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:15,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:15,199 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:15,199 INFO L185 Difference]: Start difference. First operand has 163 places, 111 transitions, 2733 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:15,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 142 transitions, 3663 flow [2021-04-29 04:07:15,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 142 transitions, 3622 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:15,258 INFO L241 Difference]: Finished difference. Result has 171 places, 119 transitions, 3071 flow [2021-04-29 04:07:15,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2704, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3071, PETRI_PLACES=171, PETRI_TRANSITIONS=119} [2021-04-29 04:07:15,258 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 134 predicate places. [2021-04-29 04:07:15,258 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:15,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 119 transitions, 3071 flow [2021-04-29 04:07:15,259 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 119 transitions, 3071 flow [2021-04-29 04:07:15,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 119 transitions, 3071 flow [2021-04-29 04:07:15,340 INFO L129 PetriNetUnfolder]: 0/492 cut-off events. [2021-04-29 04:07:15,340 INFO L130 PetriNetUnfolder]: For 9296/9361 co-relation queries the response was YES. [2021-04-29 04:07:15,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2725 conditions, 492 events. 0/492 cut-off events. For 9296/9361 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5218 event pairs, 0 based on Foata normal form. 1/479 useless extension candidates. Maximal degree in co-relation 0. Up to 60 conditions per place. [2021-04-29 04:07:15,347 INFO L146 LiptonReduction]: Number of co-enabled transitions 392 [2021-04-29 04:07:15,358 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:15,358 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:15,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-04-29 04:07:15,359 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 119 transitions, 3071 flow [2021-04-29 04:07:15,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:15,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:15,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:15,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-04-29 04:07:15,359 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:15,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:15,360 INFO L82 PathProgramCache]: Analyzing trace with hash 487259940, now seen corresponding path program 35 times [2021-04-29 04:07:15,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:15,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598153036] [2021-04-29 04:07:15,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:15,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:15,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:15,395 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:15,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:15,412 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:15,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:15,437 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:15,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:15,462 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 04:07:15,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598153036] [2021-04-29 04:07:15,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:15,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:15,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396255648] [2021-04-29 04:07:15,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:15,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:15,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:15,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:15,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:15,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 119 transitions, 3071 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:15,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:15,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:15,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:15,650 INFO L129 PetriNetUnfolder]: 8/507 cut-off events. [2021-04-29 04:07:15,650 INFO L130 PetriNetUnfolder]: For 9737/9767 co-relation queries the response was YES. [2021-04-29 04:07:15,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3092 conditions, 507 events. 8/507 cut-off events. For 9737/9767 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5293 event pairs, 1 based on Foata normal form. 12/514 useless extension candidates. Maximal degree in co-relation 3035. Up to 105 conditions per place. [2021-04-29 04:07:15,654 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 66 selfloop transitions, 50 changer transitions 2/128 dead transitions. [2021-04-29 04:07:15,654 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 128 transitions, 3447 flow [2021-04-29 04:07:15,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:15,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:15,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:15,656 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:15,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:15,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:15,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:15,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:15,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:15,658 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:15,658 INFO L185 Difference]: Start difference. First operand has 170 places, 119 transitions, 3071 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:15,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 128 transitions, 3447 flow [2021-04-29 04:07:15,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 128 transitions, 3328 flow, removed 31 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:15,720 INFO L241 Difference]: Finished difference. Result has 172 places, 117 transitions, 3001 flow [2021-04-29 04:07:15,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2960, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3001, PETRI_PLACES=172, PETRI_TRANSITIONS=117} [2021-04-29 04:07:15,721 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 135 predicate places. [2021-04-29 04:07:15,721 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:15,721 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 117 transitions, 3001 flow [2021-04-29 04:07:15,722 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 117 transitions, 3001 flow [2021-04-29 04:07:15,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 117 transitions, 3001 flow [2021-04-29 04:07:15,802 INFO L129 PetriNetUnfolder]: 0/485 cut-off events. [2021-04-29 04:07:15,802 INFO L130 PetriNetUnfolder]: For 8927/8995 co-relation queries the response was YES. [2021-04-29 04:07:15,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2672 conditions, 485 events. 0/485 cut-off events. For 8927/8995 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5107 event pairs, 0 based on Foata normal form. 1/474 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-04-29 04:07:15,809 INFO L146 LiptonReduction]: Number of co-enabled transitions 376 [2021-04-29 04:07:15,817 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:15,817 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:15,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-04-29 04:07:15,817 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 117 transitions, 3001 flow [2021-04-29 04:07:15,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:15,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:15,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:15,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-04-29 04:07:15,818 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:15,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:15,819 INFO L82 PathProgramCache]: Analyzing trace with hash -277409922, now seen corresponding path program 36 times [2021-04-29 04:07:15,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:15,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175737089] [2021-04-29 04:07:15,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:15,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:15,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:15,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:15,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:15,840 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:15,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:15,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:15,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:15,868 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:15,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:15,891 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:15,916 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 04:07:15,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175737089] [2021-04-29 04:07:15,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:15,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:15,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603161016] [2021-04-29 04:07:15,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:15,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:15,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:15,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:15,918 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:15,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 117 transitions, 3001 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:15,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:15,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:15,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:16,116 INFO L129 PetriNetUnfolder]: 8/500 cut-off events. [2021-04-29 04:07:16,116 INFO L130 PetriNetUnfolder]: For 9171/9181 co-relation queries the response was YES. [2021-04-29 04:07:16,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3039 conditions, 500 events. 8/500 cut-off events. For 9171/9181 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5219 event pairs, 1 based on Foata normal form. 4/500 useless extension candidates. Maximal degree in co-relation 2984. Up to 105 conditions per place. [2021-04-29 04:07:16,120 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 67 selfloop transitions, 47 changer transitions 2/126 dead transitions. [2021-04-29 04:07:16,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 126 transitions, 3371 flow [2021-04-29 04:07:16,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:16,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:16,122 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:16,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:16,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:16,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:16,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:16,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:16,124 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:16,124 INFO L185 Difference]: Start difference. First operand has 170 places, 117 transitions, 3001 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:16,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 126 transitions, 3371 flow [2021-04-29 04:07:16,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 126 transitions, 3285 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:16,180 INFO L241 Difference]: Finished difference. Result has 175 places, 117 transitions, 3032 flow [2021-04-29 04:07:16,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2929, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3032, PETRI_PLACES=175, PETRI_TRANSITIONS=117} [2021-04-29 04:07:16,181 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 138 predicate places. [2021-04-29 04:07:16,181 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:16,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 117 transitions, 3032 flow [2021-04-29 04:07:16,181 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 117 transitions, 3032 flow [2021-04-29 04:07:16,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 117 transitions, 3032 flow [2021-04-29 04:07:16,277 INFO L129 PetriNetUnfolder]: 0/479 cut-off events. [2021-04-29 04:07:16,277 INFO L130 PetriNetUnfolder]: For 9241/9319 co-relation queries the response was YES. [2021-04-29 04:07:16,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2670 conditions, 479 events. 0/479 cut-off events. For 9241/9319 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5032 event pairs, 0 based on Foata normal form. 1/470 useless extension candidates. Maximal degree in co-relation 0. Up to 58 conditions per place. [2021-04-29 04:07:16,285 INFO L146 LiptonReduction]: Number of co-enabled transitions 370 [2021-04-29 04:07:16,293 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:16,294 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:16,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 113 [2021-04-29 04:07:16,294 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 117 transitions, 3032 flow [2021-04-29 04:07:16,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:16,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:16,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:16,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-04-29 04:07:16,295 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:16,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:16,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1433203386, now seen corresponding path program 37 times [2021-04-29 04:07:16,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:16,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061752486] [2021-04-29 04:07:16,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:16,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:16,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:16,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:16,331 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:16,348 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:16,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:16,375 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:16,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:16,400 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 04:07:16,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061752486] [2021-04-29 04:07:16,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:16,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:16,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942035420] [2021-04-29 04:07:16,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:16,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:16,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:16,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:16,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:16,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 117 transitions, 3032 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:16,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:16,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:16,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:16,625 INFO L129 PetriNetUnfolder]: 8/494 cut-off events. [2021-04-29 04:07:16,625 INFO L130 PetriNetUnfolder]: For 9247/9262 co-relation queries the response was YES. [2021-04-29 04:07:16,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3034 conditions, 494 events. 8/494 cut-off events. For 9247/9262 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5129 event pairs, 1 based on Foata normal form. 7/496 useless extension candidates. Maximal degree in co-relation 2978. Up to 105 conditions per place. [2021-04-29 04:07:16,629 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 65 selfloop transitions, 46 changer transitions 3/124 dead transitions. [2021-04-29 04:07:16,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 124 transitions, 3336 flow [2021-04-29 04:07:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:16,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:16,631 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:16,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:16,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:16,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:16,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:16,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:16,633 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:16,633 INFO L185 Difference]: Start difference. First operand has 173 places, 117 transitions, 3032 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:16,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 124 transitions, 3336 flow [2021-04-29 04:07:16,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 124 transitions, 3213 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:16,702 INFO L241 Difference]: Finished difference. Result has 175 places, 114 transitions, 2912 flow [2021-04-29 04:07:16,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2915, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2912, PETRI_PLACES=175, PETRI_TRANSITIONS=114} [2021-04-29 04:07:16,703 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 138 predicate places. [2021-04-29 04:07:16,703 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:16,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 114 transitions, 2912 flow [2021-04-29 04:07:16,703 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 114 transitions, 2912 flow [2021-04-29 04:07:16,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 114 transitions, 2912 flow [2021-04-29 04:07:16,782 INFO L129 PetriNetUnfolder]: 0/467 cut-off events. [2021-04-29 04:07:16,782 INFO L130 PetriNetUnfolder]: For 8492/8552 co-relation queries the response was YES. [2021-04-29 04:07:16,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2572 conditions, 467 events. 0/467 cut-off events. For 8492/8552 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4884 event pairs, 0 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 0. Up to 57 conditions per place. [2021-04-29 04:07:16,788 INFO L146 LiptonReduction]: Number of co-enabled transitions 352 [2021-04-29 04:07:16,796 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:16,796 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:16,796 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-04-29 04:07:16,796 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 114 transitions, 2912 flow [2021-04-29 04:07:16,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:16,797 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:16,797 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:16,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-04-29 04:07:16,797 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:16,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:16,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1584908990, now seen corresponding path program 38 times [2021-04-29 04:07:16,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:16,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290039166] [2021-04-29 04:07:16,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:16,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:16,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:16,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:16,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:16,820 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:16,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:16,840 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:16,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:16,865 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:16,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:16,889 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:16,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:16,911 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 04:07:16,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290039166] [2021-04-29 04:07:16,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:16,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:16,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70561366] [2021-04-29 04:07:16,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:16,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:16,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:16,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:16,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:16,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 114 transitions, 2912 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:16,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:16,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:16,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:17,081 INFO L129 PetriNetUnfolder]: 8/482 cut-off events. [2021-04-29 04:07:17,082 INFO L130 PetriNetUnfolder]: For 8642/8642 co-relation queries the response was YES. [2021-04-29 04:07:17,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2924 conditions, 482 events. 8/482 cut-off events. For 8642/8642 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4987 event pairs, 1 based on Foata normal form. 1/480 useless extension candidates. Maximal degree in co-relation 2869. Up to 123 conditions per place. [2021-04-29 04:07:17,085 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 45 changer transitions 3/132 dead transitions. [2021-04-29 04:07:17,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 132 transitions, 3543 flow [2021-04-29 04:07:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:17,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:17,087 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:17,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:17,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:17,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:17,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:17,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:17,089 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:17,089 INFO L185 Difference]: Start difference. First operand has 173 places, 114 transitions, 2912 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:17,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 132 transitions, 3543 flow [2021-04-29 04:07:17,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 132 transitions, 3438 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:17,141 INFO L241 Difference]: Finished difference. Result has 177 places, 113 transitions, 2923 flow [2021-04-29 04:07:17,142 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2829, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2923, PETRI_PLACES=177, PETRI_TRANSITIONS=113} [2021-04-29 04:07:17,142 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 140 predicate places. [2021-04-29 04:07:17,142 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:17,142 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 113 transitions, 2923 flow [2021-04-29 04:07:17,143 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 113 transitions, 2923 flow [2021-04-29 04:07:17,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 113 transitions, 2923 flow [2021-04-29 04:07:17,216 INFO L129 PetriNetUnfolder]: 0/458 cut-off events. [2021-04-29 04:07:17,216 INFO L130 PetriNetUnfolder]: For 8440/8497 co-relation queries the response was YES. [2021-04-29 04:07:17,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2537 conditions, 458 events. 0/458 cut-off events. For 8440/8497 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4763 event pairs, 0 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-04-29 04:07:17,223 INFO L146 LiptonReduction]: Number of co-enabled transitions 342 [2021-04-29 04:07:17,230 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:17,230 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:17,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-04-29 04:07:17,231 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 113 transitions, 2923 flow [2021-04-29 04:07:17,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:17,231 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:17,231 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:17,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-04-29 04:07:17,232 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:17,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:17,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1220143850, now seen corresponding path program 39 times [2021-04-29 04:07:17,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:17,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113682331] [2021-04-29 04:07:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:17,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:17,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:17,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:17,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:17,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:17,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:17,277 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:17,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:17,295 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:17,320 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:17,344 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 04:07:17,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113682331] [2021-04-29 04:07:17,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:17,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:17,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747073665] [2021-04-29 04:07:17,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:17,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:17,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:17,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:17,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:17,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 113 transitions, 2923 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:17,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:17,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:17,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:17,545 INFO L129 PetriNetUnfolder]: 8/473 cut-off events. [2021-04-29 04:07:17,545 INFO L130 PetriNetUnfolder]: For 8666/8671 co-relation queries the response was YES. [2021-04-29 04:07:17,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2886 conditions, 473 events. 8/473 cut-off events. For 8666/8671 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4861 event pairs, 1 based on Foata normal form. 3/473 useless extension candidates. Maximal degree in co-relation 2830. Up to 123 conditions per place. [2021-04-29 04:07:17,549 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 47 changer transitions 2/129 dead transitions. [2021-04-29 04:07:17,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 129 transitions, 3474 flow [2021-04-29 04:07:17,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:17,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:17,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:17,550 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:17,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:17,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:17,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:17,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:17,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:17,553 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:17,553 INFO L185 Difference]: Start difference. First operand has 176 places, 113 transitions, 2923 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:17,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 129 transitions, 3474 flow [2021-04-29 04:07:17,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 129 transitions, 3438 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:17,619 INFO L241 Difference]: Finished difference. Result has 183 places, 118 transitions, 3167 flow [2021-04-29 04:07:17,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2893, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3167, PETRI_PLACES=183, PETRI_TRANSITIONS=118} [2021-04-29 04:07:17,620 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 146 predicate places. [2021-04-29 04:07:17,620 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:17,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 118 transitions, 3167 flow [2021-04-29 04:07:17,620 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 118 transitions, 3167 flow [2021-04-29 04:07:17,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 118 transitions, 3167 flow [2021-04-29 04:07:17,731 INFO L129 PetriNetUnfolder]: 0/453 cut-off events. [2021-04-29 04:07:17,732 INFO L130 PetriNetUnfolder]: For 9062/9126 co-relation queries the response was YES. [2021-04-29 04:07:17,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2583 conditions, 453 events. 0/453 cut-off events. For 9062/9126 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4716 event pairs, 0 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-04-29 04:07:17,737 INFO L146 LiptonReduction]: Number of co-enabled transitions 350 [2021-04-29 04:07:17,745 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:17,746 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:17,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-04-29 04:07:17,746 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 118 transitions, 3167 flow [2021-04-29 04:07:17,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:17,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:17,747 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:17,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-04-29 04:07:17,747 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:17,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:17,748 INFO L82 PathProgramCache]: Analyzing trace with hash 94161342, now seen corresponding path program 40 times [2021-04-29 04:07:17,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:17,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075221559] [2021-04-29 04:07:17,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:17,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:17,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:17,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:17,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:17,769 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:17,790 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:17,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:17,808 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:17,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:17,834 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:17,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:17,860 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 04:07:17,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075221559] [2021-04-29 04:07:17,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:17,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:17,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317106310] [2021-04-29 04:07:17,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:17,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:17,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:17,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:17,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:17,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 118 transitions, 3167 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:17,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:17,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:17,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:18,027 INFO L129 PetriNetUnfolder]: 8/468 cut-off events. [2021-04-29 04:07:18,027 INFO L130 PetriNetUnfolder]: For 9112/9112 co-relation queries the response was YES. [2021-04-29 04:07:18,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2936 conditions, 468 events. 8/468 cut-off events. For 9112/9112 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4797 event pairs, 1 based on Foata normal form. 1/467 useless extension candidates. Maximal degree in co-relation 2878. Up to 123 conditions per place. [2021-04-29 04:07:18,030 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 69 selfloop transitions, 45 changer transitions 3/127 dead transitions. [2021-04-29 04:07:18,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 127 transitions, 3507 flow [2021-04-29 04:07:18,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:18,032 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:18,032 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:18,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:18,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:18,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:18,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:18,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:18,034 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:18,034 INFO L185 Difference]: Start difference. First operand has 182 places, 118 transitions, 3167 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:18,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 127 transitions, 3507 flow [2021-04-29 04:07:18,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 127 transitions, 3430 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:18,093 INFO L241 Difference]: Finished difference. Result has 186 places, 115 transitions, 3098 flow [2021-04-29 04:07:18,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3096, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3098, PETRI_PLACES=186, PETRI_TRANSITIONS=115} [2021-04-29 04:07:18,093 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 149 predicate places. [2021-04-29 04:07:18,093 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:18,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 115 transitions, 3098 flow [2021-04-29 04:07:18,094 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 115 transitions, 3098 flow [2021-04-29 04:07:18,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 115 transitions, 3098 flow [2021-04-29 04:07:18,167 INFO L129 PetriNetUnfolder]: 0/444 cut-off events. [2021-04-29 04:07:18,167 INFO L130 PetriNetUnfolder]: For 8939/9003 co-relation queries the response was YES. [2021-04-29 04:07:18,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2549 conditions, 444 events. 0/444 cut-off events. For 8939/9003 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4579 event pairs, 0 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-04-29 04:07:18,173 INFO L146 LiptonReduction]: Number of co-enabled transitions 330 [2021-04-29 04:07:18,181 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:18,181 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:18,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-04-29 04:07:18,181 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 115 transitions, 3098 flow [2021-04-29 04:07:18,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:18,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:18,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:18,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-04-29 04:07:18,182 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:18,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:18,183 INFO L82 PathProgramCache]: Analyzing trace with hash 521898012, now seen corresponding path program 41 times [2021-04-29 04:07:18,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:18,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563100357] [2021-04-29 04:07:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:18,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:18,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:18,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:18,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:18,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:18,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:18,218 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:18,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:18,249 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:18,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:18,274 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:18,298 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 04:07:18,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563100357] [2021-04-29 04:07:18,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:18,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:18,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112205971] [2021-04-29 04:07:18,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:18,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:18,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:18,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:18,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:18,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 115 transitions, 3098 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:18,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:18,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:18,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:18,526 INFO L129 PetriNetUnfolder]: 4/547 cut-off events. [2021-04-29 04:07:18,526 INFO L130 PetriNetUnfolder]: For 10929/10929 co-relation queries the response was YES. [2021-04-29 04:07:18,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3384 conditions, 547 events. 4/547 cut-off events. For 10929/10929 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5839 event pairs, 1 based on Foata normal form. 1/543 useless extension candidates. Maximal degree in co-relation 3326. Up to 112 conditions per place. [2021-04-29 04:07:18,530 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 85 selfloop transitions, 51 changer transitions 2/148 dead transitions. [2021-04-29 04:07:18,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 148 transitions, 4254 flow [2021-04-29 04:07:18,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:18,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:18,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:18,532 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:18,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:18,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:18,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:18,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:18,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:18,534 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:18,534 INFO L185 Difference]: Start difference. First operand has 184 places, 115 transitions, 3098 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:18,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 148 transitions, 4254 flow [2021-04-29 04:07:18,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 148 transitions, 4119 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:18,607 INFO L241 Difference]: Finished difference. Result has 190 places, 125 transitions, 3510 flow [2021-04-29 04:07:18,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2998, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3510, PETRI_PLACES=190, PETRI_TRANSITIONS=125} [2021-04-29 04:07:18,608 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 153 predicate places. [2021-04-29 04:07:18,608 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:18,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 125 transitions, 3510 flow [2021-04-29 04:07:18,609 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 125 transitions, 3510 flow [2021-04-29 04:07:18,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 125 transitions, 3510 flow [2021-04-29 04:07:18,702 INFO L129 PetriNetUnfolder]: 0/532 cut-off events. [2021-04-29 04:07:18,702 INFO L130 PetriNetUnfolder]: For 11330/11359 co-relation queries the response was YES. [2021-04-29 04:07:18,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3088 conditions, 532 events. 0/532 cut-off events. For 11330/11359 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5735 event pairs, 0 based on Foata normal form. 2/523 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-04-29 04:07:18,708 INFO L146 LiptonReduction]: Number of co-enabled transitions 338 [2021-04-29 04:07:18,717 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:18,717 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:18,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-04-29 04:07:18,718 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 125 transitions, 3510 flow [2021-04-29 04:07:18,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:18,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:18,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:18,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-04-29 04:07:18,718 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:18,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:18,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1431857760, now seen corresponding path program 42 times [2021-04-29 04:07:18,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:18,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453342986] [2021-04-29 04:07:18,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:18,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:18,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:18,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:18,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:18,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:18,762 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:18,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:18,792 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:18,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:18,817 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:18,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:18,842 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 04:07:18,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453342986] [2021-04-29 04:07:18,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:18,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:18,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598077995] [2021-04-29 04:07:18,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:18,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:18,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:18,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:18,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:18,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 125 transitions, 3510 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:18,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:18,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:18,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:19,077 INFO L129 PetriNetUnfolder]: 3/555 cut-off events. [2021-04-29 04:07:19,078 INFO L130 PetriNetUnfolder]: For 11775/11779 co-relation queries the response was YES. [2021-04-29 04:07:19,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3487 conditions, 555 events. 3/555 cut-off events. For 11775/11779 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5942 event pairs, 1 based on Foata normal form. 1/554 useless extension candidates. Maximal degree in co-relation 3426. Up to 136 conditions per place. [2021-04-29 04:07:19,082 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 52 changer transitions 2/139 dead transitions. [2021-04-29 04:07:19,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 139 transitions, 4050 flow [2021-04-29 04:07:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:19,084 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:19,084 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:19,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:19,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:19,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:19,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:19,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:19,086 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:19,086 INFO L185 Difference]: Start difference. First operand has 189 places, 125 transitions, 3510 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:19,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 139 transitions, 4050 flow [2021-04-29 04:07:19,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 139 transitions, 4011 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:19,171 INFO L241 Difference]: Finished difference. Result has 196 places, 129 transitions, 3742 flow [2021-04-29 04:07:19,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3483, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3742, PETRI_PLACES=196, PETRI_TRANSITIONS=129} [2021-04-29 04:07:19,172 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 159 predicate places. [2021-04-29 04:07:19,172 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:19,172 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 129 transitions, 3742 flow [2021-04-29 04:07:19,172 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 129 transitions, 3742 flow [2021-04-29 04:07:19,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 129 transitions, 3742 flow [2021-04-29 04:07:19,271 INFO L129 PetriNetUnfolder]: 0/542 cut-off events. [2021-04-29 04:07:19,271 INFO L130 PetriNetUnfolder]: For 12322/12357 co-relation queries the response was YES. [2021-04-29 04:07:19,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3230 conditions, 542 events. 0/542 cut-off events. For 12322/12357 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5855 event pairs, 0 based on Foata normal form. 1/531 useless extension candidates. Maximal degree in co-relation 0. Up to 65 conditions per place. [2021-04-29 04:07:19,278 INFO L146 LiptonReduction]: Number of co-enabled transitions 336 [2021-04-29 04:07:19,287 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:19,287 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:19,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-04-29 04:07:19,288 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 129 transitions, 3742 flow [2021-04-29 04:07:19,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:19,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:19,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:19,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-04-29 04:07:19,289 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:19,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:19,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1083115096, now seen corresponding path program 43 times [2021-04-29 04:07:19,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:19,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814387751] [2021-04-29 04:07:19,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:19,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:19,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:19,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:19,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:19,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:19,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:19,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:19,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:19,347 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:19,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:19,369 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:19,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:19,393 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 04:07:19,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814387751] [2021-04-29 04:07:19,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:19,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:19,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620481360] [2021-04-29 04:07:19,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:19,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:19,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:19,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:19,395 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:19,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 129 transitions, 3742 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:19,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:19,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:19,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:19,607 INFO L129 PetriNetUnfolder]: 3/547 cut-off events. [2021-04-29 04:07:19,607 INFO L130 PetriNetUnfolder]: For 12477/12489 co-relation queries the response was YES. [2021-04-29 04:07:19,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3529 conditions, 547 events. 3/547 cut-off events. For 12477/12489 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5854 event pairs, 1 based on Foata normal form. 2/547 useless extension candidates. Maximal degree in co-relation 3466. Up to 123 conditions per place. [2021-04-29 04:07:19,611 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 86 selfloop transitions, 54 changer transitions 2/152 dead transitions. [2021-04-29 04:07:19,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 152 transitions, 4557 flow [2021-04-29 04:07:19,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:19,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:19,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:19,613 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:19,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:19,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:19,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:19,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:19,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:19,615 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:19,615 INFO L185 Difference]: Start difference. First operand has 195 places, 129 transitions, 3742 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:19,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 152 transitions, 4557 flow [2021-04-29 04:07:19,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 152 transitions, 4411 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:19,693 INFO L241 Difference]: Finished difference. Result has 199 places, 132 transitions, 3848 flow [2021-04-29 04:07:19,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3608, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3848, PETRI_PLACES=199, PETRI_TRANSITIONS=132} [2021-04-29 04:07:19,693 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 162 predicate places. [2021-04-29 04:07:19,693 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:19,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 132 transitions, 3848 flow [2021-04-29 04:07:19,694 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 132 transitions, 3848 flow [2021-04-29 04:07:19,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 132 transitions, 3848 flow [2021-04-29 04:07:19,788 INFO L129 PetriNetUnfolder]: 0/534 cut-off events. [2021-04-29 04:07:19,788 INFO L130 PetriNetUnfolder]: For 12592/12646 co-relation queries the response was YES. [2021-04-29 04:07:19,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3215 conditions, 534 events. 0/534 cut-off events. For 12592/12646 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5729 event pairs, 0 based on Foata normal form. 1/524 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-04-29 04:07:19,794 INFO L146 LiptonReduction]: Number of co-enabled transitions 334 [2021-04-29 04:07:19,804 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:19,804 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:19,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-04-29 04:07:19,804 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 132 transitions, 3848 flow [2021-04-29 04:07:19,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:19,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:19,805 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:19,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-04-29 04:07:19,805 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:19,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:19,806 INFO L82 PathProgramCache]: Analyzing trace with hash -278755548, now seen corresponding path program 44 times [2021-04-29 04:07:19,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:19,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508094549] [2021-04-29 04:07:19,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:19,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:19,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:19,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:19,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:19,827 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:19,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:19,846 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:19,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:19,875 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:19,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:19,900 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:19,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:19,922 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 04:07:19,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508094549] [2021-04-29 04:07:19,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:19,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:19,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336896222] [2021-04-29 04:07:19,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:19,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:19,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:19,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:19,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:19,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 132 transitions, 3848 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:19,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:19,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:19,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:20,106 INFO L129 PetriNetUnfolder]: 3/539 cut-off events. [2021-04-29 04:07:20,106 INFO L130 PetriNetUnfolder]: For 12725/12744 co-relation queries the response was YES. [2021-04-29 04:07:20,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3510 conditions, 539 events. 3/539 cut-off events. For 12725/12744 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5733 event pairs, 1 based on Foata normal form. 7/544 useless extension candidates. Maximal degree in co-relation 3446. Up to 136 conditions per place. [2021-04-29 04:07:20,110 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 72 selfloop transitions, 51 changer transitions 4/137 dead transitions. [2021-04-29 04:07:20,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 137 transitions, 4162 flow [2021-04-29 04:07:20,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:20,112 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:20,112 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:20,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:20,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:20,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:20,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:20,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:20,114 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:20,114 INFO L185 Difference]: Start difference. First operand has 197 places, 132 transitions, 3848 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:20,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 137 transitions, 4162 flow [2021-04-29 04:07:20,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 137 transitions, 4060 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:20,190 INFO L241 Difference]: Finished difference. Result has 200 places, 129 transitions, 3772 flow [2021-04-29 04:07:20,190 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3751, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3772, PETRI_PLACES=200, PETRI_TRANSITIONS=129} [2021-04-29 04:07:20,190 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 163 predicate places. [2021-04-29 04:07:20,190 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:20,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 129 transitions, 3772 flow [2021-04-29 04:07:20,191 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 129 transitions, 3772 flow [2021-04-29 04:07:20,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 198 places, 129 transitions, 3772 flow [2021-04-29 04:07:20,265 INFO L129 PetriNetUnfolder]: 0/524 cut-off events. [2021-04-29 04:07:20,265 INFO L130 PetriNetUnfolder]: For 12051/12085 co-relation queries the response was YES. [2021-04-29 04:07:20,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3174 conditions, 524 events. 0/524 cut-off events. For 12051/12085 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5602 event pairs, 0 based on Foata normal form. 1/514 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2021-04-29 04:07:20,270 INFO L146 LiptonReduction]: Number of co-enabled transitions 330 [2021-04-29 04:07:20,278 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:20,278 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:20,278 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-04-29 04:07:20,278 INFO L480 AbstractCegarLoop]: Abstraction has has 198 places, 129 transitions, 3772 flow [2021-04-29 04:07:20,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:20,279 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:20,279 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:20,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-04-29 04:07:20,279 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:20,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:20,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1877583166, now seen corresponding path program 45 times [2021-04-29 04:07:20,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:20,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417417826] [2021-04-29 04:07:20,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:20,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:20,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:20,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:20,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:20,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:20,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:20,310 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:20,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:20,326 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:20,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:20,350 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:20,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:20,372 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 04:07:20,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417417826] [2021-04-29 04:07:20,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:20,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:20,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715498389] [2021-04-29 04:07:20,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:20,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:20,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:20,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:20,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:20,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 129 transitions, 3772 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:20,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:20,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:20,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:20,595 INFO L129 PetriNetUnfolder]: 1/594 cut-off events. [2021-04-29 04:07:20,595 INFO L130 PetriNetUnfolder]: For 13885/13892 co-relation queries the response was YES. [2021-04-29 04:07:20,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3884 conditions, 594 events. 1/594 cut-off events. For 13885/13892 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6540 event pairs, 1 based on Foata normal form. 1/592 useless extension candidates. Maximal degree in co-relation 3821. Up to 117 conditions per place. [2021-04-29 04:07:20,599 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 94 selfloop transitions, 58 changer transitions 2/164 dead transitions. [2021-04-29 04:07:20,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 164 transitions, 5099 flow [2021-04-29 04:07:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:20,600 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:20,600 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:20,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:20,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:20,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:20,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:20,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:20,602 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:20,602 INFO L185 Difference]: Start difference. First operand has 198 places, 129 transitions, 3772 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:20,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 164 transitions, 5099 flow [2021-04-29 04:07:20,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 164 transitions, 4955 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:20,692 INFO L241 Difference]: Finished difference. Result has 204 places, 141 transitions, 4252 flow [2021-04-29 04:07:20,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3664, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4252, PETRI_PLACES=204, PETRI_TRANSITIONS=141} [2021-04-29 04:07:20,692 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 167 predicate places. [2021-04-29 04:07:20,692 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:20,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 141 transitions, 4252 flow [2021-04-29 04:07:20,693 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 141 transitions, 4252 flow [2021-04-29 04:07:20,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 141 transitions, 4252 flow [2021-04-29 04:07:20,771 INFO L129 PetriNetUnfolder]: 0/585 cut-off events. [2021-04-29 04:07:20,771 INFO L130 PetriNetUnfolder]: For 14505/14528 co-relation queries the response was YES. [2021-04-29 04:07:20,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3639 conditions, 585 events. 0/585 cut-off events. For 14505/14528 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6451 event pairs, 0 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 0. Up to 70 conditions per place. [2021-04-29 04:07:20,776 INFO L146 LiptonReduction]: Number of co-enabled transitions 366 [2021-04-29 04:07:20,783 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:20,783 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:20,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-04-29 04:07:20,783 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 141 transitions, 4252 flow [2021-04-29 04:07:20,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:20,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:20,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:20,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-04-29 04:07:20,784 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:20,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:20,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1985406242, now seen corresponding path program 46 times [2021-04-29 04:07:20,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:20,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124959337] [2021-04-29 04:07:20,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:20,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:20,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:20,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:20,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:20,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:20,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:20,815 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:20,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:20,833 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:20,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:20,857 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:20,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:20,882 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 04:07:20,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124959337] [2021-04-29 04:07:20,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:20,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:20,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353795604] [2021-04-29 04:07:20,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:20,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:20,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:20,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:20,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:20,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 141 transitions, 4252 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:20,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:20,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:20,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:21,054 INFO L129 PetriNetUnfolder]: 1/586 cut-off events. [2021-04-29 04:07:21,054 INFO L130 PetriNetUnfolder]: For 14637/14656 co-relation queries the response was YES. [2021-04-29 04:07:21,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3918 conditions, 586 events. 1/586 cut-off events. For 14637/14656 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6449 event pairs, 1 based on Foata normal form. 3/586 useless extension candidates. Maximal degree in co-relation 3852. Up to 138 conditions per place. [2021-04-29 04:07:21,058 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 84 selfloop transitions, 64 changer transitions 2/160 dead transitions. [2021-04-29 04:07:21,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 160 transitions, 5063 flow [2021-04-29 04:07:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:21,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:21,069 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:21,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:21,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:21,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:21,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:21,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:21,071 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:21,071 INFO L185 Difference]: Start difference. First operand has 203 places, 141 transitions, 4252 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:21,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 160 transitions, 5063 flow [2021-04-29 04:07:21,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 160 transitions, 5011 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:21,185 INFO L241 Difference]: Finished difference. Result has 210 places, 151 transitions, 4751 flow [2021-04-29 04:07:21,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4208, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4751, PETRI_PLACES=210, PETRI_TRANSITIONS=151} [2021-04-29 04:07:21,186 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 173 predicate places. [2021-04-29 04:07:21,186 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:21,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 151 transitions, 4751 flow [2021-04-29 04:07:21,187 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 151 transitions, 4751 flow [2021-04-29 04:07:21,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 151 transitions, 4751 flow [2021-04-29 04:07:21,302 INFO L129 PetriNetUnfolder]: 0/579 cut-off events. [2021-04-29 04:07:21,303 INFO L130 PetriNetUnfolder]: For 15892/15919 co-relation queries the response was YES. [2021-04-29 04:07:21,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3715 conditions, 579 events. 0/579 cut-off events. For 15892/15919 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6378 event pairs, 0 based on Foata normal form. 0/569 useless extension candidates. Maximal degree in co-relation 0. Up to 69 conditions per place. [2021-04-29 04:07:21,310 INFO L146 LiptonReduction]: Number of co-enabled transitions 370 [2021-04-29 04:07:21,322 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:21,322 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:21,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-04-29 04:07:21,323 INFO L480 AbstractCegarLoop]: Abstraction has has 209 places, 151 transitions, 4751 flow [2021-04-29 04:07:21,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:21,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:21,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:21,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-04-29 04:07:21,323 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:21,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:21,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1286729158, now seen corresponding path program 47 times [2021-04-29 04:07:21,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:21,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369532679] [2021-04-29 04:07:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:21,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:21,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:21,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:21,360 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:21,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:21,375 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:21,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:21,401 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:21,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:21,424 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 04:07:21,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369532679] [2021-04-29 04:07:21,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:21,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:21,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589856390] [2021-04-29 04:07:21,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:21,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:21,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:21,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:21,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:21,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 151 transitions, 4751 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:21,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:21,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:21,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:21,632 INFO L129 PetriNetUnfolder]: 1/580 cut-off events. [2021-04-29 04:07:21,632 INFO L130 PetriNetUnfolder]: For 16009/16025 co-relation queries the response was YES. [2021-04-29 04:07:21,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3991 conditions, 580 events. 1/580 cut-off events. For 16009/16025 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6336 event pairs, 1 based on Foata normal form. 6/584 useless extension candidates. Maximal degree in co-relation 3923. Up to 138 conditions per place. [2021-04-29 04:07:21,637 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 83 selfloop transitions, 62 changer transitions 3/158 dead transitions. [2021-04-29 04:07:21,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 158 transitions, 5176 flow [2021-04-29 04:07:21,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:21,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:21,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:21,638 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:21,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:21,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:21,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:21,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:21,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:21,640 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:21,640 INFO L185 Difference]: Start difference. First operand has 209 places, 151 transitions, 4751 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:21,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 158 transitions, 5176 flow [2021-04-29 04:07:21,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 158 transitions, 5118 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:21,741 INFO L241 Difference]: Finished difference. Result has 215 places, 149 transitions, 4766 flow [2021-04-29 04:07:21,741 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4699, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4766, PETRI_PLACES=215, PETRI_TRANSITIONS=149} [2021-04-29 04:07:21,741 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 178 predicate places. [2021-04-29 04:07:21,742 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:21,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 215 places, 149 transitions, 4766 flow [2021-04-29 04:07:21,742 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 215 places, 149 transitions, 4766 flow [2021-04-29 04:07:21,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 214 places, 149 transitions, 4766 flow [2021-04-29 04:07:21,834 INFO L129 PetriNetUnfolder]: 0/570 cut-off events. [2021-04-29 04:07:21,834 INFO L130 PetriNetUnfolder]: For 15990/16017 co-relation queries the response was YES. [2021-04-29 04:07:21,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3719 conditions, 570 events. 0/570 cut-off events. For 15990/16017 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6243 event pairs, 0 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 0. Up to 68 conditions per place. [2021-04-29 04:07:21,841 INFO L146 LiptonReduction]: Number of co-enabled transitions 364 [2021-04-29 04:07:21,852 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:21,853 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:21,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-04-29 04:07:21,853 INFO L480 AbstractCegarLoop]: Abstraction has has 214 places, 149 transitions, 4766 flow [2021-04-29 04:07:21,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:21,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:21,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:21,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-04-29 04:07:21,854 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:21,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:21,855 INFO L82 PathProgramCache]: Analyzing trace with hash -753999446, now seen corresponding path program 48 times [2021-04-29 04:07:21,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:21,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42532755] [2021-04-29 04:07:21,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:21,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:21,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:21,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:21,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:21,897 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:21,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:21,914 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:21,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:21,940 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:21,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:21,962 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 04:07:21,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42532755] [2021-04-29 04:07:21,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:21,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:21,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089590114] [2021-04-29 04:07:21,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:21,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:21,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:21,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:21,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:21,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 149 transitions, 4766 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:21,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:21,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:21,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:22,158 INFO L129 PetriNetUnfolder]: 1/571 cut-off events. [2021-04-29 04:07:22,158 INFO L130 PetriNetUnfolder]: For 16115/16138 co-relation queries the response was YES. [2021-04-29 04:07:22,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3991 conditions, 571 events. 1/571 cut-off events. For 16115/16138 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6200 event pairs, 1 based on Foata normal form. 5/573 useless extension candidates. Maximal degree in co-relation 3922. Up to 138 conditions per place. [2021-04-29 04:07:22,162 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 89 selfloop transitions, 56 changer transitions 2/157 dead transitions. [2021-04-29 04:07:22,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 157 transitions, 5219 flow [2021-04-29 04:07:22,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:22,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:22,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:22,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:22,164 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:22,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:22,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:22,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:22,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:22,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:22,166 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:22,166 INFO L185 Difference]: Start difference. First operand has 214 places, 149 transitions, 4766 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:22,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 157 transitions, 5219 flow [2021-04-29 04:07:22,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 157 transitions, 5122 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:22,284 INFO L241 Difference]: Finished difference. Result has 220 places, 149 transitions, 4803 flow [2021-04-29 04:07:22,284 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4675, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4803, PETRI_PLACES=220, PETRI_TRANSITIONS=149} [2021-04-29 04:07:22,285 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 183 predicate places. [2021-04-29 04:07:22,285 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:22,285 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 149 transitions, 4803 flow [2021-04-29 04:07:22,285 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 149 transitions, 4803 flow [2021-04-29 04:07:22,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 219 places, 149 transitions, 4803 flow [2021-04-29 04:07:22,401 INFO L129 PetriNetUnfolder]: 0/562 cut-off events. [2021-04-29 04:07:22,401 INFO L130 PetriNetUnfolder]: For 16121/16150 co-relation queries the response was YES. [2021-04-29 04:07:22,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3709 conditions, 562 events. 0/562 cut-off events. For 16121/16150 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6123 event pairs, 0 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 0. Up to 67 conditions per place. [2021-04-29 04:07:22,409 INFO L146 LiptonReduction]: Number of co-enabled transitions 364 [2021-04-29 04:07:22,421 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:22,422 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:22,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-04-29 04:07:22,422 INFO L480 AbstractCegarLoop]: Abstraction has has 219 places, 149 transitions, 4803 flow [2021-04-29 04:07:22,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:22,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:22,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:22,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-04-29 04:07:22,423 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:22,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:22,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1157690976, now seen corresponding path program 49 times [2021-04-29 04:07:22,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:22,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961289024] [2021-04-29 04:07:22,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:22,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:22,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:22,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:22,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:22,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:22,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:22,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:22,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:22,471 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:22,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:22,496 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:22,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:22,519 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 04:07:22,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961289024] [2021-04-29 04:07:22,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:22,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:22,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33212468] [2021-04-29 04:07:22,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:22,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:22,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:22,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:22,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:22,522 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 149 transitions, 4803 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:22,522 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:22,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:22,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:22,732 INFO L129 PetriNetUnfolder]: 1/563 cut-off events. [2021-04-29 04:07:22,733 INFO L130 PetriNetUnfolder]: For 16330/16355 co-relation queries the response was YES. [2021-04-29 04:07:22,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3978 conditions, 563 events. 1/563 cut-off events. For 16330/16355 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6086 event pairs, 1 based on Foata normal form. 5/565 useless extension candidates. Maximal degree in co-relation 3907. Up to 138 conditions per place. [2021-04-29 04:07:22,736 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 88 selfloop transitions, 53 changer transitions 3/154 dead transitions. [2021-04-29 04:07:22,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 154 transitions, 5183 flow [2021-04-29 04:07:22,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:22,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:22,738 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:22,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:22,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:22,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:22,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:22,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:22,740 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:22,740 INFO L185 Difference]: Start difference. First operand has 219 places, 149 transitions, 4803 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:22,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 154 transitions, 5183 flow [2021-04-29 04:07:22,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 154 transitions, 5084 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:22,820 INFO L241 Difference]: Finished difference. Result has 223 places, 147 transitions, 4752 flow [2021-04-29 04:07:22,821 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4708, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4752, PETRI_PLACES=223, PETRI_TRANSITIONS=147} [2021-04-29 04:07:22,821 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 186 predicate places. [2021-04-29 04:07:22,821 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:22,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 147 transitions, 4752 flow [2021-04-29 04:07:22,821 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 147 transitions, 4752 flow [2021-04-29 04:07:22,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 147 transitions, 4752 flow [2021-04-29 04:07:22,890 INFO L129 PetriNetUnfolder]: 0/553 cut-off events. [2021-04-29 04:07:22,890 INFO L130 PetriNetUnfolder]: For 15845/15874 co-relation queries the response was YES. [2021-04-29 04:07:22,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3674 conditions, 553 events. 0/553 cut-off events. For 15845/15874 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 6007 event pairs, 0 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 0. Up to 66 conditions per place. [2021-04-29 04:07:22,896 INFO L146 LiptonReduction]: Number of co-enabled transitions 364 [2021-04-29 04:07:22,904 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:22,904 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:22,904 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-04-29 04:07:22,905 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 147 transitions, 4752 flow [2021-04-29 04:07:22,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:22,905 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:22,905 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:22,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-04-29 04:07:22,905 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:22,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:22,906 INFO L82 PathProgramCache]: Analyzing trace with hash 2119817636, now seen corresponding path program 50 times [2021-04-29 04:07:22,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:22,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109678165] [2021-04-29 04:07:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:22,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:22,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:22,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:22,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:22,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:22,936 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:22,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:22,964 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:22,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:22,994 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:22,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:23,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109678165] [2021-04-29 04:07:23,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:23,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:23,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224275627] [2021-04-29 04:07:23,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:23,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:23,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:23,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:23,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:23,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 147 transitions, 4752 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:23,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:23,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:23,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:23,193 INFO L129 PetriNetUnfolder]: 1/554 cut-off events. [2021-04-29 04:07:23,193 INFO L130 PetriNetUnfolder]: For 16049/16074 co-relation queries the response was YES. [2021-04-29 04:07:23,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3939 conditions, 554 events. 1/554 cut-off events. For 16049/16074 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5963 event pairs, 1 based on Foata normal form. 5/556 useless extension candidates. Maximal degree in co-relation 3868. Up to 138 conditions per place. [2021-04-29 04:07:23,196 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 82 selfloop transitions, 58 changer transitions 2/152 dead transitions. [2021-04-29 04:07:23,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 152 transitions, 5103 flow [2021-04-29 04:07:23,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:23,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:23,198 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:23,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:23,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:23,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:23,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:23,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:23,200 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:23,200 INFO L185 Difference]: Start difference. First operand has 221 places, 147 transitions, 4752 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:23,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 152 transitions, 5103 flow [2021-04-29 04:07:23,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 152 transitions, 4987 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:23,326 INFO L241 Difference]: Finished difference. Result has 224 places, 147 transitions, 4769 flow [2021-04-29 04:07:23,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4642, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4769, PETRI_PLACES=224, PETRI_TRANSITIONS=147} [2021-04-29 04:07:23,327 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 187 predicate places. [2021-04-29 04:07:23,327 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:23,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 147 transitions, 4769 flow [2021-04-29 04:07:23,328 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 147 transitions, 4769 flow [2021-04-29 04:07:23,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 147 transitions, 4769 flow [2021-04-29 04:07:23,410 INFO L129 PetriNetUnfolder]: 0/545 cut-off events. [2021-04-29 04:07:23,410 INFO L130 PetriNetUnfolder]: For 15911/15940 co-relation queries the response was YES. [2021-04-29 04:07:23,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3648 conditions, 545 events. 0/545 cut-off events. For 15911/15940 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5892 event pairs, 0 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 0. Up to 65 conditions per place. [2021-04-29 04:07:23,415 INFO L146 LiptonReduction]: Number of co-enabled transitions 366 [2021-04-29 04:07:23,423 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:23,423 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:23,423 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-04-29 04:07:23,424 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 147 transitions, 4769 flow [2021-04-29 04:07:23,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:23,424 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:23,424 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:23,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-04-29 04:07:23,424 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:23,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:23,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1576382920, now seen corresponding path program 51 times [2021-04-29 04:07:23,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:23,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993103657] [2021-04-29 04:07:23,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:23,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:23,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:23,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:23,455 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:23,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:23,481 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:23,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:23,506 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:23,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:23,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993103657] [2021-04-29 04:07:23,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:23,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:23,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699475724] [2021-04-29 04:07:23,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:23,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:23,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:23,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:23,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:23,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 147 transitions, 4769 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:23,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:23,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:23,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:23,736 INFO L129 PetriNetUnfolder]: 1/546 cut-off events. [2021-04-29 04:07:23,737 INFO L130 PetriNetUnfolder]: For 16127/16155 co-relation queries the response was YES. [2021-04-29 04:07:23,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3910 conditions, 546 events. 1/546 cut-off events. For 16127/16155 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5835 event pairs, 1 based on Foata normal form. 6/549 useless extension candidates. Maximal degree in co-relation 3839. Up to 138 conditions per place. [2021-04-29 04:07:23,740 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 79 selfloop transitions, 57 changer transitions 4/150 dead transitions. [2021-04-29 04:07:23,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 150 transitions, 5061 flow [2021-04-29 04:07:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:23,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:23,742 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:23,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:23,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:23,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:23,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:23,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:23,744 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:23,744 INFO L185 Difference]: Start difference. First operand has 222 places, 147 transitions, 4769 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:23,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 150 transitions, 5061 flow [2021-04-29 04:07:23,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 150 transitions, 4928 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:23,822 INFO L241 Difference]: Finished difference. Result has 224 places, 143 transitions, 4619 flow [2021-04-29 04:07:23,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4642, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4619, PETRI_PLACES=224, PETRI_TRANSITIONS=143} [2021-04-29 04:07:23,822 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 187 predicate places. [2021-04-29 04:07:23,822 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:23,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 143 transitions, 4619 flow [2021-04-29 04:07:23,823 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 143 transitions, 4619 flow [2021-04-29 04:07:23,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 143 transitions, 4619 flow [2021-04-29 04:07:23,916 INFO L129 PetriNetUnfolder]: 0/535 cut-off events. [2021-04-29 04:07:23,916 INFO L130 PetriNetUnfolder]: For 15354/15381 co-relation queries the response was YES. [2021-04-29 04:07:23,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3566 conditions, 535 events. 0/535 cut-off events. For 15354/15381 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5748 event pairs, 0 based on Foata normal form. 0/525 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-04-29 04:07:23,920 INFO L146 LiptonReduction]: Number of co-enabled transitions 352 [2021-04-29 04:07:23,927 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:23,927 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:23,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-04-29 04:07:23,928 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 143 transitions, 4619 flow [2021-04-29 04:07:23,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:23,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:23,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:23,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-04-29 04:07:23,929 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:23,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:23,929 INFO L82 PathProgramCache]: Analyzing trace with hash 826431938, now seen corresponding path program 52 times [2021-04-29 04:07:23,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:23,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541230084] [2021-04-29 04:07:23,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:23,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:23,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:23,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:23,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:23,958 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:23,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:23,986 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:23,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:24,015 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:24,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:24,038 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 04:07:24,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541230084] [2021-04-29 04:07:24,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:24,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:24,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558064966] [2021-04-29 04:07:24,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:24,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:24,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:24,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:24,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:24,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 143 transitions, 4619 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:24,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:24,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:24,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:24,203 INFO L129 PetriNetUnfolder]: 1/536 cut-off events. [2021-04-29 04:07:24,203 INFO L130 PetriNetUnfolder]: For 15556/15582 co-relation queries the response was YES. [2021-04-29 04:07:24,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3823 conditions, 536 events. 1/536 cut-off events. For 15556/15582 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5723 event pairs, 1 based on Foata normal form. 5/538 useless extension candidates. Maximal degree in co-relation 3753. Up to 127 conditions per place. [2021-04-29 04:07:24,206 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 87 selfloop transitions, 58 changer transitions 3/158 dead transitions. [2021-04-29 04:07:24,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 158 transitions, 5348 flow [2021-04-29 04:07:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:24,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:24,207 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:24,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:24,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:24,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:24,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:24,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:24,209 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:24,209 INFO L185 Difference]: Start difference. First operand has 222 places, 143 transitions, 4619 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:24,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 158 transitions, 5348 flow [2021-04-29 04:07:24,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 158 transitions, 5215 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:24,284 INFO L241 Difference]: Finished difference. Result has 225 places, 142 transitions, 4609 flow [2021-04-29 04:07:24,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4506, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4609, PETRI_PLACES=225, PETRI_TRANSITIONS=142} [2021-04-29 04:07:24,285 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 188 predicate places. [2021-04-29 04:07:24,285 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:24,285 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 142 transitions, 4609 flow [2021-04-29 04:07:24,285 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 142 transitions, 4609 flow [2021-04-29 04:07:24,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 224 places, 142 transitions, 4609 flow [2021-04-29 04:07:24,349 INFO L129 PetriNetUnfolder]: 0/526 cut-off events. [2021-04-29 04:07:24,349 INFO L130 PetriNetUnfolder]: For 15116/15145 co-relation queries the response was YES. [2021-04-29 04:07:24,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3516 conditions, 526 events. 0/526 cut-off events. For 15116/15145 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5623 event pairs, 0 based on Foata normal form. 0/517 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2021-04-29 04:07:24,354 INFO L146 LiptonReduction]: Number of co-enabled transitions 358 [2021-04-29 04:07:24,361 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:24,361 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:24,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-04-29 04:07:24,361 INFO L480 AbstractCegarLoop]: Abstraction has has 224 places, 142 transitions, 4609 flow [2021-04-29 04:07:24,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:24,361 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:24,362 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:24,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-04-29 04:07:24,362 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:24,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:24,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1363466046, now seen corresponding path program 53 times [2021-04-29 04:07:24,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:24,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083218273] [2021-04-29 04:07:24,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:24,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:24,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:24,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:24,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:24,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:24,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:24,390 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:24,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:24,405 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:24,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:24,435 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:24,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:24,466 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 04:07:24,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083218273] [2021-04-29 04:07:24,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:24,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:24,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899105314] [2021-04-29 04:07:24,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:24,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:24,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:24,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:24,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:24,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 142 transitions, 4609 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:24,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:24,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:24,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:24,653 INFO L129 PetriNetUnfolder]: 1/527 cut-off events. [2021-04-29 04:07:24,653 INFO L130 PetriNetUnfolder]: For 15291/15314 co-relation queries the response was YES. [2021-04-29 04:07:24,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3769 conditions, 527 events. 1/527 cut-off events. For 15291/15314 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5607 event pairs, 1 based on Foata normal form. 4/528 useless extension candidates. Maximal degree in co-relation 3699. Up to 127 conditions per place. [2021-04-29 04:07:24,656 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 83 selfloop transitions, 60 changer transitions 2/155 dead transitions. [2021-04-29 04:07:24,656 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 155 transitions, 5247 flow [2021-04-29 04:07:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:24,657 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:24,657 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:24,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:24,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:24,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:24,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:24,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:24,660 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:24,660 INFO L185 Difference]: Start difference. First operand has 224 places, 142 transitions, 4609 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:24,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 155 transitions, 5247 flow [2021-04-29 04:07:24,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 155 transitions, 5132 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:24,775 INFO L241 Difference]: Finished difference. Result has 229 places, 148 transitions, 4863 flow [2021-04-29 04:07:24,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4500, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4863, PETRI_PLACES=229, PETRI_TRANSITIONS=148} [2021-04-29 04:07:24,775 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 192 predicate places. [2021-04-29 04:07:24,775 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:24,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 148 transitions, 4863 flow [2021-04-29 04:07:24,776 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 148 transitions, 4863 flow [2021-04-29 04:07:24,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 148 transitions, 4863 flow [2021-04-29 04:07:24,931 INFO L129 PetriNetUnfolder]: 0/520 cut-off events. [2021-04-29 04:07:24,931 INFO L130 PetriNetUnfolder]: For 15386/15415 co-relation queries the response was YES. [2021-04-29 04:07:24,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3496 conditions, 520 events. 0/520 cut-off events. For 15386/15415 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5541 event pairs, 0 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 0. Up to 62 conditions per place. [2021-04-29 04:07:24,943 INFO L146 LiptonReduction]: Number of co-enabled transitions 360 [2021-04-29 04:07:24,968 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:24,968 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:24,968 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 193 [2021-04-29 04:07:24,969 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 148 transitions, 4863 flow [2021-04-29 04:07:24,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:24,969 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:24,970 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:24,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-04-29 04:07:24,970 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:24,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:24,970 INFO L82 PathProgramCache]: Analyzing trace with hash -792222492, now seen corresponding path program 54 times [2021-04-29 04:07:24,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:24,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258209129] [2021-04-29 04:07:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:25,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:25,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:25,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:25,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:25,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:25,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:25,031 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:25,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:25,058 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:25,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:25,094 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:25,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:25,126 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 04:07:25,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258209129] [2021-04-29 04:07:25,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:25,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:25,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370513371] [2021-04-29 04:07:25,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:25,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:25,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:25,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:25,129 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:25,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 148 transitions, 4863 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:25,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:25,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:25,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:25,478 INFO L129 PetriNetUnfolder]: 1/521 cut-off events. [2021-04-29 04:07:25,478 INFO L130 PetriNetUnfolder]: For 15581/15604 co-relation queries the response was YES. [2021-04-29 04:07:25,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3746 conditions, 521 events. 1/521 cut-off events. For 15581/15604 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5518 event pairs, 1 based on Foata normal form. 4/522 useless extension candidates. Maximal degree in co-relation 3674. Up to 127 conditions per place. [2021-04-29 04:07:25,484 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 81 selfloop transitions, 59 changer transitions 3/153 dead transitions. [2021-04-29 04:07:25,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 153 transitions, 5217 flow [2021-04-29 04:07:25,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:25,495 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:25,495 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:25,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:25,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:25,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:25,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:25,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:25,505 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:25,505 INFO L185 Difference]: Start difference. First operand has 228 places, 148 transitions, 4863 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:25,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 153 transitions, 5217 flow [2021-04-29 04:07:25,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 153 transitions, 5121 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:25,641 INFO L241 Difference]: Finished difference. Result has 232 places, 145 transitions, 4779 flow [2021-04-29 04:07:25,641 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4773, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4779, PETRI_PLACES=232, PETRI_TRANSITIONS=145} [2021-04-29 04:07:25,641 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 195 predicate places. [2021-04-29 04:07:25,642 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:25,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 232 places, 145 transitions, 4779 flow [2021-04-29 04:07:25,642 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 232 places, 145 transitions, 4779 flow [2021-04-29 04:07:25,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 145 transitions, 4779 flow [2021-04-29 04:07:25,742 INFO L129 PetriNetUnfolder]: 0/511 cut-off events. [2021-04-29 04:07:25,742 INFO L130 PetriNetUnfolder]: For 15077/15103 co-relation queries the response was YES. [2021-04-29 04:07:25,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3456 conditions, 511 events. 0/511 cut-off events. For 15077/15103 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5432 event pairs, 0 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 0. Up to 61 conditions per place. [2021-04-29 04:07:25,749 INFO L146 LiptonReduction]: Number of co-enabled transitions 350 [2021-04-29 04:07:25,761 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:25,761 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:25,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 119 [2021-04-29 04:07:25,762 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 145 transitions, 4779 flow [2021-04-29 04:07:25,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:25,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:25,762 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:25,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-04-29 04:07:25,762 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:25,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:25,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1442096254, now seen corresponding path program 55 times [2021-04-29 04:07:25,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:25,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960128299] [2021-04-29 04:07:25,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:25,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:25,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:25,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:25,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:25,791 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:25,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:25,808 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:25,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:25,830 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:25,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:25,852 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 04:07:25,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960128299] [2021-04-29 04:07:25,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:25,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:25,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004778698] [2021-04-29 04:07:25,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:25,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:25,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:25,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:25,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:25,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 145 transitions, 4779 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:25,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:25,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:25,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:26,027 INFO L129 PetriNetUnfolder]: 1/512 cut-off events. [2021-04-29 04:07:26,027 INFO L130 PetriNetUnfolder]: For 15192/15215 co-relation queries the response was YES. [2021-04-29 04:07:26,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3702 conditions, 512 events. 1/512 cut-off events. For 15192/15215 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5398 event pairs, 1 based on Foata normal form. 5/514 useless extension candidates. Maximal degree in co-relation 3630. Up to 127 conditions per place. [2021-04-29 04:07:26,029 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 81 selfloop transitions, 57 changer transitions 2/150 dead transitions. [2021-04-29 04:07:26,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 150 transitions, 5127 flow [2021-04-29 04:07:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:26,030 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:26,030 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:26,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:26,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:26,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:26,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:26,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:26,032 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:26,032 INFO L185 Difference]: Start difference. First operand has 230 places, 145 transitions, 4779 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:26,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 150 transitions, 5127 flow [2021-04-29 04:07:26,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 150 transitions, 4999 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:26,106 INFO L241 Difference]: Finished difference. Result has 233 places, 145 transitions, 4767 flow [2021-04-29 04:07:26,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4657, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4767, PETRI_PLACES=233, PETRI_TRANSITIONS=145} [2021-04-29 04:07:26,106 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 196 predicate places. [2021-04-29 04:07:26,106 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:26,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 145 transitions, 4767 flow [2021-04-29 04:07:26,106 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 145 transitions, 4767 flow [2021-04-29 04:07:26,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 232 places, 145 transitions, 4767 flow [2021-04-29 04:07:26,174 INFO L129 PetriNetUnfolder]: 0/503 cut-off events. [2021-04-29 04:07:26,175 INFO L130 PetriNetUnfolder]: For 14985/15011 co-relation queries the response was YES. [2021-04-29 04:07:26,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3413 conditions, 503 events. 0/503 cut-off events. For 14985/15011 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5325 event pairs, 0 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 0. Up to 60 conditions per place. [2021-04-29 04:07:26,180 INFO L146 LiptonReduction]: Number of co-enabled transitions 346 [2021-04-29 04:07:26,187 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:26,187 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:26,187 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-04-29 04:07:26,188 INFO L480 AbstractCegarLoop]: Abstraction has has 232 places, 145 transitions, 4767 flow [2021-04-29 04:07:26,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:26,188 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:26,188 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:26,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-04-29 04:07:26,188 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:26,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:26,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1979130362, now seen corresponding path program 56 times [2021-04-29 04:07:26,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:26,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362104936] [2021-04-29 04:07:26,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:26,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:26,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:26,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:26,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:26,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:26,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:26,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:26,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:26,233 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:26,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:26,256 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:26,277 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 04:07:26,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362104936] [2021-04-29 04:07:26,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:26,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:26,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253171102] [2021-04-29 04:07:26,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:26,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:26,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:26,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:26,279 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:26,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 145 transitions, 4767 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:26,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:26,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:26,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:26,433 INFO L129 PetriNetUnfolder]: 1/504 cut-off events. [2021-04-29 04:07:26,433 INFO L130 PetriNetUnfolder]: For 15089/15109 co-relation queries the response was YES. [2021-04-29 04:07:26,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3656 conditions, 504 events. 1/504 cut-off events. For 15089/15109 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5282 event pairs, 1 based on Foata normal form. 4/505 useless extension candidates. Maximal degree in co-relation 3584. Up to 127 conditions per place. [2021-04-29 04:07:26,436 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 53 changer transitions 4/147 dead transitions. [2021-04-29 04:07:26,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 147 transitions, 5049 flow [2021-04-29 04:07:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:26,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:26,437 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:26,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:26,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:26,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:26,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:26,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:26,438 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:26,438 INFO L185 Difference]: Start difference. First operand has 232 places, 145 transitions, 4767 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:26,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 147 transitions, 5049 flow [2021-04-29 04:07:26,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 147 transitions, 4959 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:26,509 INFO L241 Difference]: Finished difference. Result has 236 places, 141 transitions, 4652 flow [2021-04-29 04:07:26,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4681, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4652, PETRI_PLACES=236, PETRI_TRANSITIONS=141} [2021-04-29 04:07:26,510 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 199 predicate places. [2021-04-29 04:07:26,510 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:26,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 141 transitions, 4652 flow [2021-04-29 04:07:26,510 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 236 places, 141 transitions, 4652 flow [2021-04-29 04:07:26,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 141 transitions, 4652 flow [2021-04-29 04:07:26,575 INFO L129 PetriNetUnfolder]: 0/492 cut-off events. [2021-04-29 04:07:26,576 INFO L130 PetriNetUnfolder]: For 14445/14459 co-relation queries the response was YES. [2021-04-29 04:07:26,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3342 conditions, 492 events. 0/492 cut-off events. For 14445/14459 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5176 event pairs, 0 based on Foata normal form. 0/486 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-04-29 04:07:26,580 INFO L146 LiptonReduction]: Number of co-enabled transitions 340 [2021-04-29 04:07:26,587 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:26,587 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:26,587 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-04-29 04:07:26,587 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 141 transitions, 4652 flow [2021-04-29 04:07:26,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:26,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:26,588 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:26,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-04-29 04:07:26,588 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:26,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:26,588 INFO L82 PathProgramCache]: Analyzing trace with hash -2001787642, now seen corresponding path program 57 times [2021-04-29 04:07:26,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:26,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198402502] [2021-04-29 04:07:26,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:26,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:26,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:26,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:26,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:26,611 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:26,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:26,632 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:26,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:26,654 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:26,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:26,681 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:26,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:26,709 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 04:07:26,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198402502] [2021-04-29 04:07:26,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:26,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:26,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382996323] [2021-04-29 04:07:26,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:26,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:26,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:26,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:26,711 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:26,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 141 transitions, 4652 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:26,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:26,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:26,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:26,888 INFO L129 PetriNetUnfolder]: 1/493 cut-off events. [2021-04-29 04:07:26,889 INFO L130 PetriNetUnfolder]: For 14514/14517 co-relation queries the response was YES. [2021-04-29 04:07:26,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3579 conditions, 493 events. 1/493 cut-off events. For 14514/14517 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5150 event pairs, 0 based on Foata normal form. 1/492 useless extension candidates. Maximal degree in co-relation 3507. Up to 114 conditions per place. [2021-04-29 04:07:26,891 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 103 selfloop transitions, 52 changer transitions 2/167 dead transitions. [2021-04-29 04:07:26,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 167 transitions, 5685 flow [2021-04-29 04:07:26,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:26,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:26,893 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:26,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:26,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:26,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:26,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:26,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:26,894 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:26,894 INFO L185 Difference]: Start difference. First operand has 233 places, 141 transitions, 4652 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:26,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 167 transitions, 5685 flow [2021-04-29 04:07:26,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 167 transitions, 5533 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:26,964 INFO L241 Difference]: Finished difference. Result has 239 places, 151 transitions, 5029 flow [2021-04-29 04:07:26,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4527, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5029, PETRI_PLACES=239, PETRI_TRANSITIONS=151} [2021-04-29 04:07:26,965 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 202 predicate places. [2021-04-29 04:07:26,965 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:26,965 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 151 transitions, 5029 flow [2021-04-29 04:07:26,965 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 151 transitions, 5029 flow [2021-04-29 04:07:26,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 151 transitions, 5029 flow [2021-04-29 04:07:27,027 INFO L129 PetriNetUnfolder]: 0/484 cut-off events. [2021-04-29 04:07:27,027 INFO L130 PetriNetUnfolder]: For 15108/15126 co-relation queries the response was YES. [2021-04-29 04:07:27,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3328 conditions, 484 events. 0/484 cut-off events. For 15108/15126 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5075 event pairs, 0 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 0. Up to 58 conditions per place. [2021-04-29 04:07:27,032 INFO L146 LiptonReduction]: Number of co-enabled transitions 354 [2021-04-29 04:07:27,042 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:27,042 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:27,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-04-29 04:07:27,043 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 151 transitions, 5029 flow [2021-04-29 04:07:27,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:27,043 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:27,043 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:27,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-04-29 04:07:27,043 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash 501320506, now seen corresponding path program 58 times [2021-04-29 04:07:27,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:27,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335188632] [2021-04-29 04:07:27,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:27,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:27,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:27,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:27,071 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:27,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:27,089 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:27,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:27,123 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:27,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:27,154 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:27,177 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 04:07:27,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335188632] [2021-04-29 04:07:27,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:27,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:27,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086261280] [2021-04-29 04:07:27,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:27,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:27,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:27,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:27,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:27,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 151 transitions, 5029 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:27,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:27,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:27,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:27,353 INFO L129 PetriNetUnfolder]: 1/485 cut-off events. [2021-04-29 04:07:27,354 INFO L130 PetriNetUnfolder]: For 15129/15132 co-relation queries the response was YES. [2021-04-29 04:07:27,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3564 conditions, 485 events. 1/485 cut-off events. For 15129/15132 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5056 event pairs, 0 based on Foata normal form. 1/484 useless extension candidates. Maximal degree in co-relation 3488. Up to 114 conditions per place. [2021-04-29 04:07:27,356 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 98 selfloop transitions, 54 changer transitions 2/164 dead transitions. [2021-04-29 04:07:27,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 164 transitions, 5653 flow [2021-04-29 04:07:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:27,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:27,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:27,357 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:27,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:27,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:27,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:27,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:27,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:27,358 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:27,358 INFO L185 Difference]: Start difference. First operand has 238 places, 151 transitions, 5029 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:27,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 164 transitions, 5653 flow [2021-04-29 04:07:27,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 164 transitions, 5601 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:27,471 INFO L241 Difference]: Finished difference. Result has 244 places, 155 transitions, 5274 flow [2021-04-29 04:07:27,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4983, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5274, PETRI_PLACES=244, PETRI_TRANSITIONS=155} [2021-04-29 04:07:27,471 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 207 predicate places. [2021-04-29 04:07:27,472 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:27,472 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 155 transitions, 5274 flow [2021-04-29 04:07:27,472 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 155 transitions, 5274 flow [2021-04-29 04:07:27,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 155 transitions, 5274 flow [2021-04-29 04:07:27,567 INFO L129 PetriNetUnfolder]: 0/476 cut-off events. [2021-04-29 04:07:27,567 INFO L130 PetriNetUnfolder]: For 15590/15608 co-relation queries the response was YES. [2021-04-29 04:07:27,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3357 conditions, 476 events. 0/476 cut-off events. For 15590/15608 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4980 event pairs, 0 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 0. Up to 57 conditions per place. [2021-04-29 04:07:27,574 INFO L146 LiptonReduction]: Number of co-enabled transitions 354 [2021-04-29 04:07:27,585 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:27,585 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:27,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-04-29 04:07:27,586 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 155 transitions, 5274 flow [2021-04-29 04:07:27,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:27,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:27,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:27,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-04-29 04:07:27,587 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:27,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:27,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2105077668, now seen corresponding path program 59 times [2021-04-29 04:07:27,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:27,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886922106] [2021-04-29 04:07:27,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:27,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:27,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:27,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:27,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:27,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:27,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:27,627 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:27,646 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:27,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:27,672 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:27,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:27,698 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 04:07:27,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886922106] [2021-04-29 04:07:27,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:27,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:27,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706925433] [2021-04-29 04:07:27,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:27,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:27,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:27,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:27,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:27,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 155 transitions, 5274 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:27,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:27,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:27,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:27,910 INFO L129 PetriNetUnfolder]: 1/477 cut-off events. [2021-04-29 04:07:27,911 INFO L130 PetriNetUnfolder]: For 15595/15598 co-relation queries the response was YES. [2021-04-29 04:07:27,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3591 conditions, 477 events. 1/477 cut-off events. For 15595/15598 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4941 event pairs, 0 based on Foata normal form. 1/476 useless extension candidates. Maximal degree in co-relation 3514. Up to 114 conditions per place. [2021-04-29 04:07:27,914 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 100 selfloop transitions, 50 changer transitions 3/163 dead transitions. [2021-04-29 04:07:27,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 163 transitions, 5728 flow [2021-04-29 04:07:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:27,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:27,915 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:27,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:27,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:27,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:27,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:27,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:27,916 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:27,916 INFO L185 Difference]: Start difference. First operand has 243 places, 155 transitions, 5274 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:27,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 163 transitions, 5728 flow [2021-04-29 04:07:27,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 163 transitions, 5688 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:27,994 INFO L241 Difference]: Finished difference. Result has 249 places, 153 transitions, 5296 flow [2021-04-29 04:07:27,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=5242, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5296, PETRI_PLACES=249, PETRI_TRANSITIONS=153} [2021-04-29 04:07:27,995 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 212 predicate places. [2021-04-29 04:07:27,995 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:27,995 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 153 transitions, 5296 flow [2021-04-29 04:07:27,995 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 153 transitions, 5296 flow [2021-04-29 04:07:27,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 153 transitions, 5296 flow [2021-04-29 04:07:28,056 INFO L129 PetriNetUnfolder]: 0/467 cut-off events. [2021-04-29 04:07:28,057 INFO L130 PetriNetUnfolder]: For 15746/15764 co-relation queries the response was YES. [2021-04-29 04:07:28,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3360 conditions, 467 events. 0/467 cut-off events. For 15746/15764 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4861 event pairs, 0 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-04-29 04:07:28,062 INFO L146 LiptonReduction]: Number of co-enabled transitions 354 [2021-04-29 04:07:28,070 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:28,070 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:28,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-04-29 04:07:28,070 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 153 transitions, 5296 flow [2021-04-29 04:07:28,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:28,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:28,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:28,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-04-29 04:07:28,071 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:28,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:28,071 INFO L82 PathProgramCache]: Analyzing trace with hash 490388700, now seen corresponding path program 60 times [2021-04-29 04:07:28,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:28,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903263536] [2021-04-29 04:07:28,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:28,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:28,091 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:28,108 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:28,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:28,133 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:28,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:28,155 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:28,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:28,177 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 04:07:28,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903263536] [2021-04-29 04:07:28,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:28,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:28,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878616894] [2021-04-29 04:07:28,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:28,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:28,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:28,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:28,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:28,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 153 transitions, 5296 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:28,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:28,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:28,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:28,354 INFO L129 PetriNetUnfolder]: 1/468 cut-off events. [2021-04-29 04:07:28,354 INFO L130 PetriNetUnfolder]: For 15946/15984 co-relation queries the response was YES. [2021-04-29 04:07:28,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3591 conditions, 468 events. 1/468 cut-off events. For 15946/15984 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4813 event pairs, 0 based on Foata normal form. 8/474 useless extension candidates. Maximal degree in co-relation 3513. Up to 80 conditions per place. [2021-04-29 04:07:28,357 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 66 changer transitions 2/158 dead transitions. [2021-04-29 04:07:28,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 158 transitions, 5658 flow [2021-04-29 04:07:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:28,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:28,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:28,358 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:28,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:28,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:28,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:28,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:28,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:28,359 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:28,360 INFO L185 Difference]: Start difference. First operand has 248 places, 153 transitions, 5296 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:28,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 158 transitions, 5658 flow [2021-04-29 04:07:28,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 158 transitions, 5561 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:28,444 INFO L241 Difference]: Finished difference. Result has 251 places, 151 transitions, 5252 flow [2021-04-29 04:07:28,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=5205, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5252, PETRI_PLACES=251, PETRI_TRANSITIONS=151} [2021-04-29 04:07:28,445 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 214 predicate places. [2021-04-29 04:07:28,445 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:28,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 151 transitions, 5252 flow [2021-04-29 04:07:28,445 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 151 transitions, 5252 flow [2021-04-29 04:07:28,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 151 transitions, 5252 flow [2021-04-29 04:07:28,512 INFO L129 PetriNetUnfolder]: 0/459 cut-off events. [2021-04-29 04:07:28,513 INFO L130 PetriNetUnfolder]: For 15435/15445 co-relation queries the response was YES. [2021-04-29 04:07:28,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3334 conditions, 459 events. 0/459 cut-off events. For 15435/15445 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4746 event pairs, 0 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-04-29 04:07:28,517 INFO L146 LiptonReduction]: Number of co-enabled transitions 348 [2021-04-29 04:07:28,526 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:28,526 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:28,526 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-04-29 04:07:28,527 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 151 transitions, 5252 flow [2021-04-29 04:07:28,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:28,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:28,527 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:28,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-04-29 04:07:28,527 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:28,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:28,528 INFO L82 PathProgramCache]: Analyzing trace with hash 585935550, now seen corresponding path program 61 times [2021-04-29 04:07:28,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:28,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849436351] [2021-04-29 04:07:28,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:28,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:28,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:28,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:28,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:28,548 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:28,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:28,565 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:28,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:28,587 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:28,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:28,608 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:28,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:28,630 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 04:07:28,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849436351] [2021-04-29 04:07:28,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:28,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:28,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981794895] [2021-04-29 04:07:28,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:28,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:28,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:28,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:28,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:28,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 151 transitions, 5252 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:28,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:28,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:28,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:28,811 INFO L129 PetriNetUnfolder]: 1/460 cut-off events. [2021-04-29 04:07:28,811 INFO L130 PetriNetUnfolder]: For 15704/15742 co-relation queries the response was YES. [2021-04-29 04:07:28,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3562 conditions, 460 events. 1/460 cut-off events. For 15704/15742 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4722 event pairs, 0 based on Foata normal form. 8/466 useless extension candidates. Maximal degree in co-relation 3484. Up to 80 conditions per place. [2021-04-29 04:07:28,814 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 79 selfloop transitions, 65 changer transitions 2/156 dead transitions. [2021-04-29 04:07:28,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 156 transitions, 5610 flow [2021-04-29 04:07:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:28,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:28,815 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:28,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:28,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:28,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:28,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:28,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:28,816 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:28,817 INFO L185 Difference]: Start difference. First operand has 249 places, 151 transitions, 5252 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:28,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 156 transitions, 5610 flow [2021-04-29 04:07:28,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 156 transitions, 5451 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:28,910 INFO L241 Difference]: Finished difference. Result has 251 places, 149 transitions, 5133 flow [2021-04-29 04:07:28,910 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=5099, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5133, PETRI_PLACES=251, PETRI_TRANSITIONS=149} [2021-04-29 04:07:28,910 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 214 predicate places. [2021-04-29 04:07:28,910 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:28,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 149 transitions, 5133 flow [2021-04-29 04:07:28,911 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 149 transitions, 5133 flow [2021-04-29 04:07:28,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 149 transitions, 5133 flow [2021-04-29 04:07:29,026 INFO L129 PetriNetUnfolder]: 0/454 cut-off events. [2021-04-29 04:07:29,026 INFO L130 PetriNetUnfolder]: For 15056/15076 co-relation queries the response was YES. [2021-04-29 04:07:29,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3273 conditions, 454 events. 0/454 cut-off events. For 15056/15076 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4686 event pairs, 0 based on Foata normal form. 0/449 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-04-29 04:07:29,033 INFO L146 LiptonReduction]: Number of co-enabled transitions 336 [2021-04-29 04:07:29,046 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:29,047 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:29,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-04-29 04:07:29,047 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 149 transitions, 5133 flow [2021-04-29 04:07:29,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:29,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:29,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:29,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-04-29 04:07:29,048 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:29,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:29,048 INFO L82 PathProgramCache]: Analyzing trace with hash -816712100, now seen corresponding path program 62 times [2021-04-29 04:07:29,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:29,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366387739] [2021-04-29 04:07:29,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:29,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:29,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:29,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:29,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:29,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:29,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:29,080 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:29,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:29,096 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:29,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:29,127 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:29,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:29,151 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 04:07:29,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366387739] [2021-04-29 04:07:29,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:29,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:29,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603247545] [2021-04-29 04:07:29,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:29,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:29,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:29,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:29,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:29,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 149 transitions, 5133 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:29,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:29,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:29,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:29,348 INFO L129 PetriNetUnfolder]: 1/455 cut-off events. [2021-04-29 04:07:29,348 INFO L130 PetriNetUnfolder]: For 14949/14952 co-relation queries the response was YES. [2021-04-29 04:07:29,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3498 conditions, 455 events. 1/455 cut-off events. For 14949/14952 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4660 event pairs, 0 based on Foata normal form. 1/455 useless extension candidates. Maximal degree in co-relation 3421. Up to 83 conditions per place. [2021-04-29 04:07:29,353 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 61 changer transitions 3/154 dead transitions. [2021-04-29 04:07:29,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 154 transitions, 5487 flow [2021-04-29 04:07:29,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:29,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:29,355 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:29,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:29,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:29,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:29,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:29,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:29,357 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:29,357 INFO L185 Difference]: Start difference. First operand has 249 places, 149 transitions, 5133 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:29,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 154 transitions, 5487 flow [2021-04-29 04:07:29,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 154 transitions, 5351 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:29,433 INFO L241 Difference]: Finished difference. Result has 251 places, 146 transitions, 5004 flow [2021-04-29 04:07:29,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=5005, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5004, PETRI_PLACES=251, PETRI_TRANSITIONS=146} [2021-04-29 04:07:29,433 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 214 predicate places. [2021-04-29 04:07:29,433 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:29,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 146 transitions, 5004 flow [2021-04-29 04:07:29,433 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 146 transitions, 5004 flow [2021-04-29 04:07:29,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 146 transitions, 5004 flow [2021-04-29 04:07:29,491 INFO L129 PetriNetUnfolder]: 0/446 cut-off events. [2021-04-29 04:07:29,491 INFO L130 PetriNetUnfolder]: For 14149/14169 co-relation queries the response was YES. [2021-04-29 04:07:29,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3220 conditions, 446 events. 0/446 cut-off events. For 14149/14169 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4583 event pairs, 0 based on Foata normal form. 0/442 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-04-29 04:07:29,497 INFO L146 LiptonReduction]: Number of co-enabled transitions 318 [2021-04-29 04:07:29,507 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:29,508 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:29,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-04-29 04:07:29,508 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 146 transitions, 5004 flow [2021-04-29 04:07:29,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:29,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:29,509 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:29,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-04-29 04:07:29,509 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:29,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:29,509 INFO L82 PathProgramCache]: Analyzing trace with hash 516647068, now seen corresponding path program 63 times [2021-04-29 04:07:29,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:29,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380818090] [2021-04-29 04:07:29,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:29,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:29,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:29,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:29,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:29,532 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:29,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:29,553 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:29,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:29,568 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:29,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:29,592 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:29,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:29,614 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 04:07:29,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380818090] [2021-04-29 04:07:29,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:29,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:29,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207669894] [2021-04-29 04:07:29,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:29,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:29,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:29,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:29,615 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:29,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 146 transitions, 5004 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:29,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:29,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:29,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:29,800 INFO L129 PetriNetUnfolder]: 1/447 cut-off events. [2021-04-29 04:07:29,800 INFO L130 PetriNetUnfolder]: For 14068/14071 co-relation queries the response was YES. [2021-04-29 04:07:29,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3440 conditions, 447 events. 1/447 cut-off events. For 14068/14071 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4560 event pairs, 0 based on Foata normal form. 1/447 useless extension candidates. Maximal degree in co-relation 3365. Up to 80 conditions per place. [2021-04-29 04:07:29,803 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 77 selfloop transitions, 61 changer transitions 3/151 dead transitions. [2021-04-29 04:07:29,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 151 transitions, 5350 flow [2021-04-29 04:07:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:29,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:29,804 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:29,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:29,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:29,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:29,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:29,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:29,811 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:29,811 INFO L185 Difference]: Start difference. First operand has 249 places, 146 transitions, 5004 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:29,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 151 transitions, 5350 flow [2021-04-29 04:07:29,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 151 transitions, 5187 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:29,884 INFO L241 Difference]: Finished difference. Result has 250 places, 143 transitions, 4852 flow [2021-04-29 04:07:29,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4847, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4852, PETRI_PLACES=250, PETRI_TRANSITIONS=143} [2021-04-29 04:07:29,884 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 213 predicate places. [2021-04-29 04:07:29,884 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:29,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 143 transitions, 4852 flow [2021-04-29 04:07:29,885 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 143 transitions, 4852 flow [2021-04-29 04:07:29,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 143 transitions, 4852 flow [2021-04-29 04:07:29,963 INFO L129 PetriNetUnfolder]: 0/437 cut-off events. [2021-04-29 04:07:29,963 INFO L130 PetriNetUnfolder]: For 13509/13529 co-relation queries the response was YES. [2021-04-29 04:07:29,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3130 conditions, 437 events. 0/437 cut-off events. For 13509/13529 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4453 event pairs, 0 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-04-29 04:07:29,967 INFO L146 LiptonReduction]: Number of co-enabled transitions 298 [2021-04-29 04:07:29,976 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:29,976 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:29,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-04-29 04:07:29,976 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 143 transitions, 4852 flow [2021-04-29 04:07:29,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:29,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:29,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:29,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-04-29 04:07:29,977 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:29,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:29,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1950957008, now seen corresponding path program 64 times [2021-04-29 04:07:29,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:29,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836352719] [2021-04-29 04:07:29,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:29,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:29,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:29,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:29,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:29,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:29,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:30,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:30,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:30,024 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:30,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:30,049 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:30,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:30,081 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 04:07:30,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836352719] [2021-04-29 04:07:30,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:30,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:30,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959388281] [2021-04-29 04:07:30,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:30,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:30,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:30,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:30,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:30,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 143 transitions, 4852 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:30,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:30,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:30,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:30,293 INFO L129 PetriNetUnfolder]: 1/438 cut-off events. [2021-04-29 04:07:30,293 INFO L130 PetriNetUnfolder]: For 13820/13864 co-relation queries the response was YES. [2021-04-29 04:07:30,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3345 conditions, 438 events. 1/438 cut-off events. For 13820/13864 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4418 event pairs, 0 based on Foata normal form. 8/445 useless extension candidates. Maximal degree in co-relation 3271. Up to 83 conditions per place. [2021-04-29 04:07:30,296 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 79 selfloop transitions, 57 changer transitions 2/148 dead transitions. [2021-04-29 04:07:30,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 148 transitions, 5192 flow [2021-04-29 04:07:30,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:30,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:30,298 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:30,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:30,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:30,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:30,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:30,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:30,300 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:30,300 INFO L185 Difference]: Start difference. First operand has 248 places, 143 transitions, 4852 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:30,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 148 transitions, 5192 flow [2021-04-29 04:07:30,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 148 transitions, 5035 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:30,403 INFO L241 Difference]: Finished difference. Result has 250 places, 142 transitions, 4794 flow [2021-04-29 04:07:30,403 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4703, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4794, PETRI_PLACES=250, PETRI_TRANSITIONS=142} [2021-04-29 04:07:30,404 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 213 predicate places. [2021-04-29 04:07:30,404 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:30,404 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 142 transitions, 4794 flow [2021-04-29 04:07:30,404 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 142 transitions, 4794 flow [2021-04-29 04:07:30,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 142 transitions, 4794 flow [2021-04-29 04:07:30,469 INFO L129 PetriNetUnfolder]: 0/430 cut-off events. [2021-04-29 04:07:30,469 INFO L130 PetriNetUnfolder]: For 13407/13429 co-relation queries the response was YES. [2021-04-29 04:07:30,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3075 conditions, 430 events. 0/430 cut-off events. For 13407/13429 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4344 event pairs, 0 based on Foata normal form. 1/427 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-04-29 04:07:30,472 INFO L146 LiptonReduction]: Number of co-enabled transitions 292 [2021-04-29 04:07:30,480 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:30,480 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:30,480 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-04-29 04:07:30,481 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 142 transitions, 4794 flow [2021-04-29 04:07:30,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:30,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:30,481 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:30,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-04-29 04:07:30,481 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:30,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:30,482 INFO L82 PathProgramCache]: Analyzing trace with hash -134605146, now seen corresponding path program 65 times [2021-04-29 04:07:30,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:30,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463336462] [2021-04-29 04:07:30,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:30,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:30,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:30,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:30,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:30,501 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:30,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:30,517 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:30,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:30,541 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:30,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:30,567 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:30,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:30,589 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 04:07:30,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463336462] [2021-04-29 04:07:30,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:30,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:30,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906367780] [2021-04-29 04:07:30,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:30,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:30,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:30,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:30,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:30,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 142 transitions, 4794 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:30,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:30,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:30,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:30,743 INFO L129 PetriNetUnfolder]: 1/431 cut-off events. [2021-04-29 04:07:30,744 INFO L130 PetriNetUnfolder]: For 13324/13327 co-relation queries the response was YES. [2021-04-29 04:07:30,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3287 conditions, 431 events. 1/431 cut-off events. For 13324/13327 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4326 event pairs, 0 based on Foata normal form. 1/431 useless extension candidates. Maximal degree in co-relation 3213. Up to 80 conditions per place. [2021-04-29 04:07:30,746 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 77 selfloop transitions, 56 changer transitions 3/146 dead transitions. [2021-04-29 04:07:30,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 146 transitions, 5098 flow [2021-04-29 04:07:30,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:30,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:30,747 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:30,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:30,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:30,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:30,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:30,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:30,748 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:30,749 INFO L185 Difference]: Start difference. First operand has 248 places, 142 transitions, 4794 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:30,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 146 transitions, 5098 flow [2021-04-29 04:07:30,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 146 transitions, 5060 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-04-29 04:07:30,817 INFO L241 Difference]: Finished difference. Result has 253 places, 139 transitions, 4758 flow [2021-04-29 04:07:30,818 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4762, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4758, PETRI_PLACES=253, PETRI_TRANSITIONS=139} [2021-04-29 04:07:30,818 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 216 predicate places. [2021-04-29 04:07:30,818 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:30,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 139 transitions, 4758 flow [2021-04-29 04:07:30,819 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 139 transitions, 4758 flow [2021-04-29 04:07:30,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 139 transitions, 4758 flow [2021-04-29 04:07:30,872 INFO L129 PetriNetUnfolder]: 0/421 cut-off events. [2021-04-29 04:07:30,873 INFO L130 PetriNetUnfolder]: For 13365/13387 co-relation queries the response was YES. [2021-04-29 04:07:30,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3065 conditions, 421 events. 0/421 cut-off events. For 13365/13387 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4221 event pairs, 0 based on Foata normal form. 1/418 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-04-29 04:07:30,876 INFO L146 LiptonReduction]: Number of co-enabled transitions 280 [2021-04-29 04:07:30,885 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:30,885 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:30,885 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-04-29 04:07:30,886 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 139 transitions, 4758 flow [2021-04-29 04:07:30,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:30,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:30,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:30,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-04-29 04:07:30,886 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:30,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:30,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1161405578, now seen corresponding path program 66 times [2021-04-29 04:07:30,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:30,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167071035] [2021-04-29 04:07:30,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:30,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:30,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:30,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:30,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:30,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:30,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:30,924 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:30,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:30,954 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:30,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:30,984 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:31,013 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 04:07:31,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167071035] [2021-04-29 04:07:31,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:31,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:31,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719224952] [2021-04-29 04:07:31,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:31,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:31,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:31,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:31,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:31,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 139 transitions, 4758 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:31,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:31,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:31,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:31,151 INFO L129 PetriNetUnfolder]: 1/422 cut-off events. [2021-04-29 04:07:31,151 INFO L130 PetriNetUnfolder]: For 13275/13278 co-relation queries the response was YES. [2021-04-29 04:07:31,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3274 conditions, 422 events. 1/422 cut-off events. For 13275/13278 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4217 event pairs, 0 based on Foata normal form. 1/422 useless extension candidates. Maximal degree in co-relation 3200. Up to 108 conditions per place. [2021-04-29 04:07:31,153 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 86 selfloop transitions, 46 changer transitions 3/145 dead transitions. [2021-04-29 04:07:31,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 145 transitions, 5116 flow [2021-04-29 04:07:31,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:31,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:31,154 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:31,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:31,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:31,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:31,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:31,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:31,155 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:31,155 INFO L185 Difference]: Start difference. First operand has 248 places, 139 transitions, 4758 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:31,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 145 transitions, 5116 flow [2021-04-29 04:07:31,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 145 transitions, 5013 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:31,220 INFO L241 Difference]: Finished difference. Result has 250 places, 136 transitions, 4653 flow [2021-04-29 04:07:31,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4663, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4653, PETRI_PLACES=250, PETRI_TRANSITIONS=136} [2021-04-29 04:07:31,220 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 213 predicate places. [2021-04-29 04:07:31,221 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:31,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 136 transitions, 4653 flow [2021-04-29 04:07:31,221 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 136 transitions, 4653 flow [2021-04-29 04:07:31,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 136 transitions, 4653 flow [2021-04-29 04:07:31,279 INFO L129 PetriNetUnfolder]: 0/412 cut-off events. [2021-04-29 04:07:31,279 INFO L130 PetriNetUnfolder]: For 12910/12933 co-relation queries the response was YES. [2021-04-29 04:07:31,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3013 conditions, 412 events. 0/412 cut-off events. For 12910/12933 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4122 event pairs, 0 based on Foata normal form. 1/409 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-04-29 04:07:31,283 INFO L146 LiptonReduction]: Number of co-enabled transitions 278 [2021-04-29 04:07:31,289 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:31,290 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:31,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-04-29 04:07:31,290 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 136 transitions, 4653 flow [2021-04-29 04:07:31,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:31,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:31,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:31,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-04-29 04:07:31,290 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:31,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:31,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1876743450, now seen corresponding path program 67 times [2021-04-29 04:07:31,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:31,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648606281] [2021-04-29 04:07:31,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:31,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:31,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:31,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:31,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:31,316 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:31,335 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:31,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:31,364 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:31,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:31,388 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:31,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:31,410 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 04:07:31,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648606281] [2021-04-29 04:07:31,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:31,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:31,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033870985] [2021-04-29 04:07:31,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:31,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:31,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:31,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:31,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:31,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 136 transitions, 4653 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:31,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:31,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:31,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:31,564 INFO L129 PetriNetUnfolder]: 1/413 cut-off events. [2021-04-29 04:07:31,564 INFO L130 PetriNetUnfolder]: For 13150/13201 co-relation queries the response was YES. [2021-04-29 04:07:31,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3218 conditions, 413 events. 1/413 cut-off events. For 13150/13201 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4077 event pairs, 0 based on Foata normal form. 7/419 useless extension candidates. Maximal degree in co-relation 3146. Up to 108 conditions per place. [2021-04-29 04:07:31,566 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 87 selfloop transitions, 43 changer transitions 2/142 dead transitions. [2021-04-29 04:07:31,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 142 transitions, 5003 flow [2021-04-29 04:07:31,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:31,572 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:31,573 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:31,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:31,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:31,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:31,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:31,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:31,574 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:31,574 INFO L185 Difference]: Start difference. First operand has 248 places, 136 transitions, 4653 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:31,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 142 transitions, 5003 flow [2021-04-29 04:07:31,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 142 transitions, 4906 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:31,647 INFO L241 Difference]: Finished difference. Result has 251 places, 136 transitions, 4640 flow [2021-04-29 04:07:31,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4562, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4640, PETRI_PLACES=251, PETRI_TRANSITIONS=136} [2021-04-29 04:07:31,647 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 214 predicate places. [2021-04-29 04:07:31,647 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:31,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 136 transitions, 4640 flow [2021-04-29 04:07:31,648 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 136 transitions, 4640 flow [2021-04-29 04:07:31,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 136 transitions, 4640 flow [2021-04-29 04:07:31,744 INFO L129 PetriNetUnfolder]: 0/405 cut-off events. [2021-04-29 04:07:31,744 INFO L130 PetriNetUnfolder]: For 12734/12757 co-relation queries the response was YES. [2021-04-29 04:07:31,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2971 conditions, 405 events. 0/405 cut-off events. For 12734/12757 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4015 event pairs, 0 based on Foata normal form. 1/402 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-04-29 04:07:31,751 INFO L146 LiptonReduction]: Number of co-enabled transitions 268 [2021-04-29 04:07:31,765 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:31,765 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:31,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 118 [2021-04-29 04:07:31,766 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 136 transitions, 4640 flow [2021-04-29 04:07:31,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:31,766 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:31,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:31,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-04-29 04:07:31,767 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:31,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:31,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1869380256, now seen corresponding path program 68 times [2021-04-29 04:07:31,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:31,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31366670] [2021-04-29 04:07:31,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:31,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:31,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:31,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:31,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:31,788 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:31,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:31,807 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:31,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:31,836 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:31,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:31,861 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:31,885 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 04:07:31,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31366670] [2021-04-29 04:07:31,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:31,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:31,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444643314] [2021-04-29 04:07:31,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:31,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:31,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:31,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:31,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:31,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 136 transitions, 4640 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:31,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:31,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:31,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:32,061 INFO L129 PetriNetUnfolder]: 1/406 cut-off events. [2021-04-29 04:07:32,061 INFO L130 PetriNetUnfolder]: For 12649/12652 co-relation queries the response was YES. [2021-04-29 04:07:32,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3173 conditions, 406 events. 1/406 cut-off events. For 12649/12652 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3997 event pairs, 0 based on Foata normal form. 1/406 useless extension candidates. Maximal degree in co-relation 3101. Up to 80 conditions per place. [2021-04-29 04:07:32,063 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 51 changer transitions 4/139 dead transitions. [2021-04-29 04:07:32,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 139 transitions, 4924 flow [2021-04-29 04:07:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:32,064 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:32,064 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:32,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:32,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:32,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:32,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:32,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:32,066 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:32,066 INFO L185 Difference]: Start difference. First operand has 250 places, 136 transitions, 4640 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:32,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 139 transitions, 4924 flow [2021-04-29 04:07:32,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 139 transitions, 4861 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:32,129 INFO L241 Difference]: Finished difference. Result has 254 places, 132 transitions, 4544 flow [2021-04-29 04:07:32,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4581, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4544, PETRI_PLACES=254, PETRI_TRANSITIONS=132} [2021-04-29 04:07:32,129 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 217 predicate places. [2021-04-29 04:07:32,129 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:32,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 132 transitions, 4544 flow [2021-04-29 04:07:32,130 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 132 transitions, 4544 flow [2021-04-29 04:07:32,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 132 transitions, 4544 flow [2021-04-29 04:07:32,179 INFO L129 PetriNetUnfolder]: 0/395 cut-off events. [2021-04-29 04:07:32,179 INFO L130 PetriNetUnfolder]: For 12417/12430 co-relation queries the response was YES. [2021-04-29 04:07:32,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2920 conditions, 395 events. 0/395 cut-off events. For 12417/12430 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3899 event pairs, 0 based on Foata normal form. 1/392 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-04-29 04:07:32,182 INFO L146 LiptonReduction]: Number of co-enabled transitions 264 [2021-04-29 04:07:32,190 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:32,191 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:32,191 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-04-29 04:07:32,191 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 132 transitions, 4544 flow [2021-04-29 04:07:32,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:32,192 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:32,192 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:32,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-04-29 04:07:32,192 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:32,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:32,192 INFO L82 PathProgramCache]: Analyzing trace with hash -177308870, now seen corresponding path program 69 times [2021-04-29 04:07:32,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:32,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843348785] [2021-04-29 04:07:32,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:32,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:32,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:32,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:32,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:32,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:32,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:32,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:32,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:32,243 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:32,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:32,266 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:32,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:32,288 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 04:07:32,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843348785] [2021-04-29 04:07:32,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:32,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:32,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395392329] [2021-04-29 04:07:32,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:32,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:32,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:32,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:32,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:32,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 132 transitions, 4544 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:32,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:32,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:32,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:32,439 INFO L129 PetriNetUnfolder]: 1/396 cut-off events. [2021-04-29 04:07:32,439 INFO L130 PetriNetUnfolder]: For 12430/12433 co-relation queries the response was YES. [2021-04-29 04:07:32,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3117 conditions, 396 events. 1/396 cut-off events. For 12430/12433 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3880 event pairs, 0 based on Foata normal form. 1/396 useless extension candidates. Maximal degree in co-relation 3045. Up to 77 conditions per place. [2021-04-29 04:07:32,441 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 73 selfloop transitions, 49 changer transitions 3/135 dead transitions. [2021-04-29 04:07:32,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 135 transitions, 4820 flow [2021-04-29 04:07:32,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:32,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:32,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:32,442 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:32,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:32,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:32,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:32,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:32,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:32,443 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:32,443 INFO L185 Difference]: Start difference. First operand has 249 places, 132 transitions, 4544 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:32,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 135 transitions, 4820 flow [2021-04-29 04:07:32,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 135 transitions, 4642 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-04-29 04:07:32,502 INFO L241 Difference]: Finished difference. Result has 249 places, 129 transitions, 4349 flow [2021-04-29 04:07:32,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4370, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4349, PETRI_PLACES=249, PETRI_TRANSITIONS=129} [2021-04-29 04:07:32,503 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 212 predicate places. [2021-04-29 04:07:32,503 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:32,503 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 129 transitions, 4349 flow [2021-04-29 04:07:32,503 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 129 transitions, 4349 flow [2021-04-29 04:07:32,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 129 transitions, 4349 flow [2021-04-29 04:07:32,558 INFO L129 PetriNetUnfolder]: 0/387 cut-off events. [2021-04-29 04:07:32,558 INFO L130 PetriNetUnfolder]: For 11404/11415 co-relation queries the response was YES. [2021-04-29 04:07:32,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2822 conditions, 387 events. 0/387 cut-off events. For 11404/11415 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3792 event pairs, 0 based on Foata normal form. 1/384 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-04-29 04:07:32,562 INFO L146 LiptonReduction]: Number of co-enabled transitions 258 [2021-04-29 04:07:32,568 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:32,568 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:32,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-04-29 04:07:32,568 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 129 transitions, 4349 flow [2021-04-29 04:07:32,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:32,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:32,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:32,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-04-29 04:07:32,569 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:32,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:32,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1380039104, now seen corresponding path program 70 times [2021-04-29 04:07:32,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:32,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389808539] [2021-04-29 04:07:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:32,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:32,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:32,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:32,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:32,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:32,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:32,604 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:32,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:32,633 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:32,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:32,661 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:32,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:32,685 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 04:07:32,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389808539] [2021-04-29 04:07:32,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:32,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:32,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524826985] [2021-04-29 04:07:32,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:32,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:32,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:32,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:32,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:32,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 129 transitions, 4349 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:32,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:32,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:32,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:32,860 INFO L129 PetriNetUnfolder]: 1/388 cut-off events. [2021-04-29 04:07:32,860 INFO L130 PetriNetUnfolder]: For 11528/11545 co-relation queries the response was YES. [2021-04-29 04:07:32,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3015 conditions, 388 events. 1/388 cut-off events. For 11528/11545 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3781 event pairs, 0 based on Foata normal form. 7/394 useless extension candidates. Maximal degree in co-relation 2945. Up to 77 conditions per place. [2021-04-29 04:07:32,863 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 73 selfloop transitions, 48 changer transitions 2/133 dead transitions. [2021-04-29 04:07:32,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 133 transitions, 4625 flow [2021-04-29 04:07:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:32,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:32,864 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:32,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:32,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:32,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:32,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:32,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:32,866 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:32,867 INFO L185 Difference]: Start difference. First operand has 244 places, 129 transitions, 4349 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:32,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 133 transitions, 4625 flow [2021-04-29 04:07:32,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 133 transitions, 4452 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:32,962 INFO L241 Difference]: Finished difference. Result has 245 places, 127 transitions, 4189 flow [2021-04-29 04:07:32,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4182, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4189, PETRI_PLACES=245, PETRI_TRANSITIONS=127} [2021-04-29 04:07:32,962 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 208 predicate places. [2021-04-29 04:07:32,962 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:32,963 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 127 transitions, 4189 flow [2021-04-29 04:07:32,963 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 127 transitions, 4189 flow [2021-04-29 04:07:32,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 127 transitions, 4189 flow [2021-04-29 04:07:33,042 INFO L129 PetriNetUnfolder]: 0/380 cut-off events. [2021-04-29 04:07:33,042 INFO L130 PetriNetUnfolder]: For 10756/10767 co-relation queries the response was YES. [2021-04-29 04:07:33,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2732 conditions, 380 events. 0/380 cut-off events. For 10756/10767 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3690 event pairs, 0 based on Foata normal form. 1/379 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-04-29 04:07:33,050 INFO L146 LiptonReduction]: Number of co-enabled transitions 246 [2021-04-29 04:07:33,061 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:33,061 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:33,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-04-29 04:07:33,062 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 127 transitions, 4189 flow [2021-04-29 04:07:33,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:33,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:33,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:33,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-04-29 04:07:33,063 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:33,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:33,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1562295520, now seen corresponding path program 71 times [2021-04-29 04:07:33,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:33,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603061808] [2021-04-29 04:07:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:33,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:33,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:33,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:33,100 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:33,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:33,128 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:33,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:33,152 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:33,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:33,175 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 04:07:33,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603061808] [2021-04-29 04:07:33,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:33,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:33,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934521320] [2021-04-29 04:07:33,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:33,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:33,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:33,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:33,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:33,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 127 transitions, 4189 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:33,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:33,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:33,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:33,334 INFO L129 PetriNetUnfolder]: 1/381 cut-off events. [2021-04-29 04:07:33,334 INFO L130 PetriNetUnfolder]: For 10890/10907 co-relation queries the response was YES. [2021-04-29 04:07:33,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2921 conditions, 381 events. 1/381 cut-off events. For 10890/10907 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3676 event pairs, 0 based on Foata normal form. 7/387 useless extension candidates. Maximal degree in co-relation 2852. Up to 77 conditions per place. [2021-04-29 04:07:33,336 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 72 selfloop transitions, 44 changer transitions 4/130 dead transitions. [2021-04-29 04:07:33,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 130 transitions, 4455 flow [2021-04-29 04:07:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:33,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:33,337 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:33,337 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:33,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:33,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:33,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:33,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:33,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:33,338 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:33,338 INFO L185 Difference]: Start difference. First operand has 242 places, 127 transitions, 4189 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:33,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 130 transitions, 4455 flow [2021-04-29 04:07:33,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 130 transitions, 4364 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:33,390 INFO L241 Difference]: Finished difference. Result has 244 places, 123 transitions, 4052 flow [2021-04-29 04:07:33,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4102, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4052, PETRI_PLACES=244, PETRI_TRANSITIONS=123} [2021-04-29 04:07:33,390 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 207 predicate places. [2021-04-29 04:07:33,390 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:33,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 123 transitions, 4052 flow [2021-04-29 04:07:33,391 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 123 transitions, 4052 flow [2021-04-29 04:07:33,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 123 transitions, 4052 flow [2021-04-29 04:07:33,433 INFO L129 PetriNetUnfolder]: 0/370 cut-off events. [2021-04-29 04:07:33,433 INFO L130 PetriNetUnfolder]: For 10300/10308 co-relation queries the response was YES. [2021-04-29 04:07:33,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2661 conditions, 370 events. 0/370 cut-off events. For 10300/10308 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3571 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-04-29 04:07:33,436 INFO L146 LiptonReduction]: Number of co-enabled transitions 234 [2021-04-29 04:07:33,442 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:33,442 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:33,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-04-29 04:07:33,443 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 123 transitions, 4052 flow [2021-04-29 04:07:33,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:33,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:33,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:33,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-04-29 04:07:33,443 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:33,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:33,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1035344420, now seen corresponding path program 72 times [2021-04-29 04:07:33,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:33,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271567536] [2021-04-29 04:07:33,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:33,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:33,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:33,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:33,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:33,481 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:33,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:33,511 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:33,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:33,543 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:33,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:33,574 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 04:07:33,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271567536] [2021-04-29 04:07:33,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:33,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:33,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661987198] [2021-04-29 04:07:33,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:33,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:33,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:33,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:33,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:33,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 123 transitions, 4052 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:33,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:33,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:33,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:33,722 INFO L129 PetriNetUnfolder]: 1/371 cut-off events. [2021-04-29 04:07:33,722 INFO L130 PetriNetUnfolder]: For 10364/10367 co-relation queries the response was YES. [2021-04-29 04:07:33,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2845 conditions, 371 events. 1/371 cut-off events. For 10364/10367 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3570 event pairs, 0 based on Foata normal form. 1/371 useless extension candidates. Maximal degree in co-relation 2778. Up to 104 conditions per place. [2021-04-29 04:07:33,723 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 77 selfloop transitions, 35 changer transitions 4/126 dead transitions. [2021-04-29 04:07:33,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 126 transitions, 4310 flow [2021-04-29 04:07:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-04-29 04:07:33,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-04-29 04:07:33,725 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-04-29 04:07:33,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-04-29 04:07:33,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:33,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-04-29 04:07:33,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 04:07:33,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:33,726 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:33,726 INFO L185 Difference]: Start difference. First operand has 239 places, 123 transitions, 4052 flow. Second operand 7 states and 305 transitions. [2021-04-29 04:07:33,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 126 transitions, 4310 flow [2021-04-29 04:07:33,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 126 transitions, 4155 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:33,793 INFO L241 Difference]: Finished difference. Result has 240 places, 119 transitions, 3839 flow [2021-04-29 04:07:33,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3901, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3839, PETRI_PLACES=240, PETRI_TRANSITIONS=119} [2021-04-29 04:07:33,793 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 203 predicate places. [2021-04-29 04:07:33,793 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:33,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 119 transitions, 3839 flow [2021-04-29 04:07:33,794 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 119 transitions, 3839 flow [2021-04-29 04:07:33,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 119 transitions, 3839 flow [2021-04-29 04:07:33,836 INFO L129 PetriNetUnfolder]: 0/360 cut-off events. [2021-04-29 04:07:33,836 INFO L130 PetriNetUnfolder]: For 9487/9494 co-relation queries the response was YES. [2021-04-29 04:07:33,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2538 conditions, 360 events. 0/360 cut-off events. For 9487/9494 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3462 event pairs, 0 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2021-04-29 04:07:33,839 INFO L146 LiptonReduction]: Number of co-enabled transitions 226 [2021-04-29 04:07:33,845 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:33,845 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:33,845 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-04-29 04:07:33,846 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 119 transitions, 3839 flow [2021-04-29 04:07:33,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:33,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:33,846 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:33,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-04-29 04:07:33,846 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:33,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:33,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1495311042, now seen corresponding path program 73 times [2021-04-29 04:07:33,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:33,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525984893] [2021-04-29 04:07:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:33,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:33,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:33,884 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:33,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:33,914 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:33,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:33,938 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:33,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:33,967 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 04:07:33,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525984893] [2021-04-29 04:07:33,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:33,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:33,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881964761] [2021-04-29 04:07:33,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:33,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:33,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:33,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:33,970 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:33,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 119 transitions, 3839 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:33,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:33,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:33,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:34,105 INFO L129 PetriNetUnfolder]: 0/411 cut-off events. [2021-04-29 04:07:34,105 INFO L130 PetriNetUnfolder]: For 10995/10998 co-relation queries the response was YES. [2021-04-29 04:07:34,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3093 conditions, 411 events. 0/411 cut-off events. For 10995/10998 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4064 event pairs, 0 based on Foata normal form. 1/410 useless extension candidates. Maximal degree in co-relation 0. Up to 74 conditions per place. [2021-04-29 04:07:34,106 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 77 selfloop transitions, 52 changer transitions 2/141 dead transitions. [2021-04-29 04:07:34,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 141 transitions, 4798 flow [2021-04-29 04:07:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:34,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:34,107 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:34,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:34,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:34,109 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:34,109 INFO L185 Difference]: Start difference. First operand has 235 places, 119 transitions, 3839 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:34,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 141 transitions, 4798 flow [2021-04-29 04:07:34,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 141 transitions, 4679 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:34,163 INFO L241 Difference]: Finished difference. Result has 241 places, 129 transitions, 4318 flow [2021-04-29 04:07:34,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3750, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4318, PETRI_PLACES=241, PETRI_TRANSITIONS=129} [2021-04-29 04:07:34,163 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 204 predicate places. [2021-04-29 04:07:34,163 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:34,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 129 transitions, 4318 flow [2021-04-29 04:07:34,163 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 129 transitions, 4318 flow [2021-04-29 04:07:34,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 129 transitions, 4318 flow [2021-04-29 04:07:34,213 INFO L129 PetriNetUnfolder]: 0/404 cut-off events. [2021-04-29 04:07:34,214 INFO L130 PetriNetUnfolder]: For 11338/11340 co-relation queries the response was YES. [2021-04-29 04:07:34,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2925 conditions, 404 events. 0/404 cut-off events. For 11338/11340 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4002 event pairs, 0 based on Foata normal form. 0/399 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-04-29 04:07:34,217 INFO L146 LiptonReduction]: Number of co-enabled transitions 244 [2021-04-29 04:07:34,225 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:34,226 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:34,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-04-29 04:07:34,226 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 129 transitions, 4318 flow [2021-04-29 04:07:34,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:34,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:34,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:34,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-04-29 04:07:34,227 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:34,227 INFO L82 PathProgramCache]: Analyzing trace with hash -990116644, now seen corresponding path program 74 times [2021-04-29 04:07:34,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:34,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402253730] [2021-04-29 04:07:34,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:34,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:34,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:34,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:34,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:34,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:34,281 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:34,303 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:34,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:34,324 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 04:07:34,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402253730] [2021-04-29 04:07:34,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:34,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:34,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412724704] [2021-04-29 04:07:34,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:34,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:34,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:34,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:34,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:34,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 129 transitions, 4318 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:34,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:34,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:34,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:34,480 INFO L129 PetriNetUnfolder]: 0/403 cut-off events. [2021-04-29 04:07:34,481 INFO L130 PetriNetUnfolder]: For 11410/11416 co-relation queries the response was YES. [2021-04-29 04:07:34,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3103 conditions, 403 events. 0/403 cut-off events. For 11410/11416 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3962 event pairs, 0 based on Foata normal form. 1/403 useless extension candidates. Maximal degree in co-relation 0. Up to 101 conditions per place. [2021-04-29 04:07:34,482 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 82 selfloop transitions, 46 changer transitions 2/140 dead transitions. [2021-04-29 04:07:34,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 140 transitions, 4838 flow [2021-04-29 04:07:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:34,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:34,483 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:34,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:34,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:34,484 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:34,484 INFO L185 Difference]: Start difference. First operand has 240 places, 129 transitions, 4318 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:34,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 140 transitions, 4838 flow [2021-04-29 04:07:34,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 140 transitions, 4803 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:34,542 INFO L241 Difference]: Finished difference. Result has 246 places, 130 transitions, 4453 flow [2021-04-29 04:07:34,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4290, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4453, PETRI_PLACES=246, PETRI_TRANSITIONS=130} [2021-04-29 04:07:34,542 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 209 predicate places. [2021-04-29 04:07:34,542 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:34,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 130 transitions, 4453 flow [2021-04-29 04:07:34,543 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 130 transitions, 4453 flow [2021-04-29 04:07:34,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 130 transitions, 4453 flow [2021-04-29 04:07:34,595 INFO L129 PetriNetUnfolder]: 0/396 cut-off events. [2021-04-29 04:07:34,595 INFO L130 PetriNetUnfolder]: For 12031/12037 co-relation queries the response was YES. [2021-04-29 04:07:34,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2936 conditions, 396 events. 0/396 cut-off events. For 12031/12037 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3889 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-04-29 04:07:34,598 INFO L146 LiptonReduction]: Number of co-enabled transitions 238 [2021-04-29 04:07:34,605 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:34,605 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:34,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-04-29 04:07:34,605 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 130 transitions, 4453 flow [2021-04-29 04:07:34,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:34,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:34,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:34,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-04-29 04:07:34,606 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:34,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:34,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1548607490, now seen corresponding path program 75 times [2021-04-29 04:07:34,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:34,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554257355] [2021-04-29 04:07:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:34,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:34,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:34,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:34,634 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:34,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:34,652 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:34,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:34,679 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:34,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:34,703 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 04:07:34,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554257355] [2021-04-29 04:07:34,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:34,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:34,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185614792] [2021-04-29 04:07:34,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:34,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:34,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:34,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:34,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:34,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 130 transitions, 4453 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:34,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:34,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:34,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:34,840 INFO L129 PetriNetUnfolder]: 0/395 cut-off events. [2021-04-29 04:07:34,840 INFO L130 PetriNetUnfolder]: For 12120/12135 co-relation queries the response was YES. [2021-04-29 04:07:34,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3111 conditions, 395 events. 0/395 cut-off events. For 12120/12135 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3868 event pairs, 0 based on Foata normal form. 3/397 useless extension candidates. Maximal degree in co-relation 0. Up to 101 conditions per place. [2021-04-29 04:07:34,841 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 84 selfloop transitions, 42 changer transitions 2/138 dead transitions. [2021-04-29 04:07:34,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 138 transitions, 4869 flow [2021-04-29 04:07:34,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:34,842 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:34,842 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:34,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:34,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:34,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:34,843 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:34,843 INFO L185 Difference]: Start difference. First operand has 245 places, 130 transitions, 4453 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:34,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 138 transitions, 4869 flow [2021-04-29 04:07:34,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 138 transitions, 4792 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:34,898 INFO L241 Difference]: Finished difference. Result has 250 places, 130 transitions, 4466 flow [2021-04-29 04:07:34,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4382, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4466, PETRI_PLACES=250, PETRI_TRANSITIONS=130} [2021-04-29 04:07:34,898 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 213 predicate places. [2021-04-29 04:07:34,898 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:34,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 130 transitions, 4466 flow [2021-04-29 04:07:34,898 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 130 transitions, 4466 flow [2021-04-29 04:07:34,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 130 transitions, 4466 flow [2021-04-29 04:07:34,945 INFO L129 PetriNetUnfolder]: 0/388 cut-off events. [2021-04-29 04:07:34,945 INFO L130 PetriNetUnfolder]: For 11703/11709 co-relation queries the response was YES. [2021-04-29 04:07:34,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2916 conditions, 388 events. 0/388 cut-off events. For 11703/11709 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3792 event pairs, 0 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-04-29 04:07:34,948 INFO L146 LiptonReduction]: Number of co-enabled transitions 240 [2021-04-29 04:07:34,955 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:34,955 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:34,955 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-04-29 04:07:34,955 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 130 transitions, 4466 flow [2021-04-29 04:07:34,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:34,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:34,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:34,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-04-29 04:07:34,956 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:34,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:34,956 INFO L82 PathProgramCache]: Analyzing trace with hash 2001657308, now seen corresponding path program 76 times [2021-04-29 04:07:34,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:34,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904403140] [2021-04-29 04:07:34,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:34,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:34,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:34,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:34,984 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:34,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:35,010 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:35,038 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:35,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:35,065 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 04:07:35,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904403140] [2021-04-29 04:07:35,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:35,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:35,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682388402] [2021-04-29 04:07:35,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:35,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:35,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:35,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:35,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:35,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 130 transitions, 4466 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:35,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:35,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:35,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:35,206 INFO L129 PetriNetUnfolder]: 0/387 cut-off events. [2021-04-29 04:07:35,206 INFO L130 PetriNetUnfolder]: For 11831/11849 co-relation queries the response was YES. [2021-04-29 04:07:35,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3088 conditions, 387 events. 0/387 cut-off events. For 11831/11849 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3769 event pairs, 0 based on Foata normal form. 4/390 useless extension candidates. Maximal degree in co-relation 0. Up to 101 conditions per place. [2021-04-29 04:07:35,207 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 43 changer transitions 3/136 dead transitions. [2021-04-29 04:07:35,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 136 transitions, 4816 flow [2021-04-29 04:07:35,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:35,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:35,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:35,208 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:35,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:35,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:35,209 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:35,210 INFO L185 Difference]: Start difference. First operand has 249 places, 130 transitions, 4466 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:35,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 136 transitions, 4816 flow [2021-04-29 04:07:35,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 136 transitions, 4726 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:35,262 INFO L241 Difference]: Finished difference. Result has 252 places, 127 transitions, 4351 flow [2021-04-29 04:07:35,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4382, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4351, PETRI_PLACES=252, PETRI_TRANSITIONS=127} [2021-04-29 04:07:35,263 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 215 predicate places. [2021-04-29 04:07:35,263 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:35,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 252 places, 127 transitions, 4351 flow [2021-04-29 04:07:35,263 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 252 places, 127 transitions, 4351 flow [2021-04-29 04:07:35,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 127 transitions, 4351 flow [2021-04-29 04:07:35,308 INFO L129 PetriNetUnfolder]: 0/379 cut-off events. [2021-04-29 04:07:35,308 INFO L130 PetriNetUnfolder]: For 11159/11165 co-relation queries the response was YES. [2021-04-29 04:07:35,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2857 conditions, 379 events. 0/379 cut-off events. For 11159/11165 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3700 event pairs, 0 based on Foata normal form. 0/376 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-04-29 04:07:35,313 INFO L146 LiptonReduction]: Number of co-enabled transitions 240 [2021-04-29 04:07:35,319 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:35,319 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:35,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-04-29 04:07:35,320 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 127 transitions, 4351 flow [2021-04-29 04:07:35,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:35,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:35,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:35,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-04-29 04:07:35,321 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:35,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:35,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1017312472, now seen corresponding path program 77 times [2021-04-29 04:07:35,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:35,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787660741] [2021-04-29 04:07:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:35,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:35,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:35,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:35,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:35,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:35,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:35,348 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:35,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:35,363 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:35,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:35,385 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:35,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:35,411 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 04:07:35,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787660741] [2021-04-29 04:07:35,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:35,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:35,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251063353] [2021-04-29 04:07:35,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:35,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:35,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:35,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:35,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:35,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 127 transitions, 4351 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:35,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:35,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:35,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:35,562 INFO L129 PetriNetUnfolder]: 0/378 cut-off events. [2021-04-29 04:07:35,562 INFO L130 PetriNetUnfolder]: For 11272/11290 co-relation queries the response was YES. [2021-04-29 04:07:35,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3025 conditions, 378 events. 0/378 cut-off events. For 11272/11290 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3655 event pairs, 0 based on Foata normal form. 4/381 useless extension candidates. Maximal degree in co-relation 0. Up to 101 conditions per place. [2021-04-29 04:07:35,563 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 81 selfloop transitions, 38 changer transitions 3/132 dead transitions. [2021-04-29 04:07:35,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 132 transitions, 4689 flow [2021-04-29 04:07:35,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:35,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:35,564 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:35,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:35,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:35,565 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:35,565 INFO L185 Difference]: Start difference. First operand has 249 places, 127 transitions, 4351 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:35,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 132 transitions, 4689 flow [2021-04-29 04:07:35,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 132 transitions, 4568 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:35,615 INFO L241 Difference]: Finished difference. Result has 251 places, 125 transitions, 4232 flow [2021-04-29 04:07:35,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4234, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4232, PETRI_PLACES=251, PETRI_TRANSITIONS=125} [2021-04-29 04:07:35,616 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 214 predicate places. [2021-04-29 04:07:35,616 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:35,616 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 125 transitions, 4232 flow [2021-04-29 04:07:35,616 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 125 transitions, 4232 flow [2021-04-29 04:07:35,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 125 transitions, 4232 flow [2021-04-29 04:07:35,660 INFO L129 PetriNetUnfolder]: 0/370 cut-off events. [2021-04-29 04:07:35,660 INFO L130 PetriNetUnfolder]: For 10719/10724 co-relation queries the response was YES. [2021-04-29 04:07:35,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2763 conditions, 370 events. 0/370 cut-off events. For 10719/10724 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3588 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-04-29 04:07:35,663 INFO L146 LiptonReduction]: Number of co-enabled transitions 238 [2021-04-29 04:07:35,669 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:35,669 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:35,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-04-29 04:07:35,669 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 125 transitions, 4232 flow [2021-04-29 04:07:35,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:35,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:35,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:35,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-04-29 04:07:35,670 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:35,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:35,670 INFO L82 PathProgramCache]: Analyzing trace with hash -834231938, now seen corresponding path program 78 times [2021-04-29 04:07:35,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:35,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105148265] [2021-04-29 04:07:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:35,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:35,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:35,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:35,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:35,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:35,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:35,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:35,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:35,708 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:35,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:35,728 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:35,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:35,751 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 04:07:35,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105148265] [2021-04-29 04:07:35,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:35,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:35,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309000518] [2021-04-29 04:07:35,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:35,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:35,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:35,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:35,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:35,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 125 transitions, 4232 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:35,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:35,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:35,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:35,901 INFO L129 PetriNetUnfolder]: 0/369 cut-off events. [2021-04-29 04:07:35,901 INFO L130 PetriNetUnfolder]: For 10814/10829 co-relation queries the response was YES. [2021-04-29 04:07:35,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2927 conditions, 369 events. 0/369 cut-off events. For 10814/10829 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3554 event pairs, 0 based on Foata normal form. 3/371 useless extension candidates. Maximal degree in co-relation 0. Up to 101 conditions per place. [2021-04-29 04:07:35,902 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 77 selfloop transitions, 41 changer transitions 2/130 dead transitions. [2021-04-29 04:07:35,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 130 transitions, 4536 flow [2021-04-29 04:07:35,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:35,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:35,903 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:35,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:35,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:35,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:35,904 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:35,904 INFO L185 Difference]: Start difference. First operand has 249 places, 125 transitions, 4232 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:35,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 130 transitions, 4536 flow [2021-04-29 04:07:35,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 130 transitions, 4450 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:35,955 INFO L241 Difference]: Finished difference. Result has 252 places, 125 transitions, 4217 flow [2021-04-29 04:07:35,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4152, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4217, PETRI_PLACES=252, PETRI_TRANSITIONS=125} [2021-04-29 04:07:35,956 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 215 predicate places. [2021-04-29 04:07:35,956 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:35,956 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 252 places, 125 transitions, 4217 flow [2021-04-29 04:07:35,956 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 252 places, 125 transitions, 4217 flow [2021-04-29 04:07:35,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 125 transitions, 4217 flow [2021-04-29 04:07:35,999 INFO L129 PetriNetUnfolder]: 0/363 cut-off events. [2021-04-29 04:07:36,000 INFO L130 PetriNetUnfolder]: For 10622/10626 co-relation queries the response was YES. [2021-04-29 04:07:36,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2716 conditions, 363 events. 0/363 cut-off events. For 10622/10626 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3490 event pairs, 0 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2021-04-29 04:07:36,003 INFO L146 LiptonReduction]: Number of co-enabled transitions 234 [2021-04-29 04:07:36,009 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:36,010 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:36,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-04-29 04:07:36,010 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 125 transitions, 4217 flow [2021-04-29 04:07:36,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:36,010 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:36,010 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:36,010 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-04-29 04:07:36,010 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:36,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:36,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1651410814, now seen corresponding path program 79 times [2021-04-29 04:07:36,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:36,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789541284] [2021-04-29 04:07:36,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:36,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:36,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:36,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:36,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:36,057 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:36,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:36,083 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:36,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:36,105 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 04:07:36,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789541284] [2021-04-29 04:07:36,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:36,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:36,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638436317] [2021-04-29 04:07:36,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:36,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:36,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:36,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:36,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:36,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 125 transitions, 4217 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:36,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:36,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:36,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:36,274 INFO L129 PetriNetUnfolder]: 0/362 cut-off events. [2021-04-29 04:07:36,275 INFO L130 PetriNetUnfolder]: For 10716/10729 co-relation queries the response was YES. [2021-04-29 04:07:36,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2877 conditions, 362 events. 0/362 cut-off events. For 10716/10729 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3446 event pairs, 0 based on Foata normal form. 3/364 useless extension candidates. Maximal degree in co-relation 0. Up to 101 conditions per place. [2021-04-29 04:07:36,276 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 38 changer transitions 5/128 dead transitions. [2021-04-29 04:07:36,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 128 transitions, 4465 flow [2021-04-29 04:07:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-04-29 04:07:36,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-04-29 04:07:36,277 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-04-29 04:07:36,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-04-29 04:07:36,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:36,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-04-29 04:07:36,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 04:07:36,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:36,279 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:36,279 INFO L185 Difference]: Start difference. First operand has 250 places, 125 transitions, 4217 flow. Second operand 7 states and 305 transitions. [2021-04-29 04:07:36,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 128 transitions, 4465 flow [2021-04-29 04:07:36,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 128 transitions, 4380 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:36,366 INFO L241 Difference]: Finished difference. Result has 253 places, 120 transitions, 4056 flow [2021-04-29 04:07:36,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4138, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4056, PETRI_PLACES=253, PETRI_TRANSITIONS=120} [2021-04-29 04:07:36,366 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 216 predicate places. [2021-04-29 04:07:36,367 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:36,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 120 transitions, 4056 flow [2021-04-29 04:07:36,367 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 120 transitions, 4056 flow [2021-04-29 04:07:36,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 120 transitions, 4056 flow [2021-04-29 04:07:36,410 INFO L129 PetriNetUnfolder]: 0/352 cut-off events. [2021-04-29 04:07:36,410 INFO L130 PetriNetUnfolder]: For 10228/10228 co-relation queries the response was YES. [2021-04-29 04:07:36,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2621 conditions, 352 events. 0/352 cut-off events. For 10228/10228 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3350 event pairs, 0 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2021-04-29 04:07:36,413 INFO L146 LiptonReduction]: Number of co-enabled transitions 222 [2021-04-29 04:07:36,419 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:36,419 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:36,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-04-29 04:07:36,419 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 120 transitions, 4056 flow [2021-04-29 04:07:36,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:36,419 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:36,419 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:36,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-04-29 04:07:36,420 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:36,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:36,420 INFO L82 PathProgramCache]: Analyzing trace with hash -66868806, now seen corresponding path program 80 times [2021-04-29 04:07:36,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:36,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459492372] [2021-04-29 04:07:36,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:36,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:36,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:36,439 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:36,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:36,459 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:36,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:36,479 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:36,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:36,503 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:36,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:36,528 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 04:07:36,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459492372] [2021-04-29 04:07:36,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:36,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:36,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104319430] [2021-04-29 04:07:36,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:36,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:36,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:36,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:36,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:36,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 120 transitions, 4056 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:36,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:36,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:36,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:36,672 INFO L129 PetriNetUnfolder]: 0/351 cut-off events. [2021-04-29 04:07:36,672 INFO L130 PetriNetUnfolder]: For 10296/10298 co-relation queries the response was YES. [2021-04-29 04:07:36,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2776 conditions, 351 events. 0/351 cut-off events. For 10296/10298 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3316 event pairs, 0 based on Foata normal form. 1/352 useless extension candidates. Maximal degree in co-relation 0. Up to 67 conditions per place. [2021-04-29 04:07:36,673 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 66 selfloop transitions, 45 changer transitions 3/124 dead transitions. [2021-04-29 04:07:36,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 124 transitions, 4316 flow [2021-04-29 04:07:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:36,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:36,674 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:36,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:36,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:36,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:36,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:36,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:36,676 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:36,676 INFO L185 Difference]: Start difference. First operand has 248 places, 120 transitions, 4056 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:36,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 124 transitions, 4316 flow [2021-04-29 04:07:36,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 124 transitions, 4163 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-04-29 04:07:36,724 INFO L241 Difference]: Finished difference. Result has 247 places, 117 transitions, 3904 flow [2021-04-29 04:07:36,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3909, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3904, PETRI_PLACES=247, PETRI_TRANSITIONS=117} [2021-04-29 04:07:36,724 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 210 predicate places. [2021-04-29 04:07:36,724 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:36,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 117 transitions, 3904 flow [2021-04-29 04:07:36,724 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 117 transitions, 3904 flow [2021-04-29 04:07:36,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 117 transitions, 3904 flow [2021-04-29 04:07:36,767 INFO L129 PetriNetUnfolder]: 0/343 cut-off events. [2021-04-29 04:07:36,767 INFO L130 PetriNetUnfolder]: For 9838/9838 co-relation queries the response was YES. [2021-04-29 04:07:36,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2521 conditions, 343 events. 0/343 cut-off events. For 9838/9838 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3254 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place. [2021-04-29 04:07:36,770 INFO L146 LiptonReduction]: Number of co-enabled transitions 220 [2021-04-29 04:07:36,777 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:36,778 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:36,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-04-29 04:07:36,778 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 117 transitions, 3904 flow [2021-04-29 04:07:36,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:36,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:36,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:36,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-04-29 04:07:36,779 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:36,779 INFO L82 PathProgramCache]: Analyzing trace with hash 452515936, now seen corresponding path program 81 times [2021-04-29 04:07:36,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:36,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60632214] [2021-04-29 04:07:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:36,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:36,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:36,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:36,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:36,808 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:36,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:36,824 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:36,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:36,849 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:36,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:36,876 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 04:07:36,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60632214] [2021-04-29 04:07:36,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:36,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:36,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046774610] [2021-04-29 04:07:36,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:36,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:36,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:36,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:36,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:36,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 117 transitions, 3904 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:36,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:36,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:36,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:37,015 INFO L129 PetriNetUnfolder]: 0/342 cut-off events. [2021-04-29 04:07:37,015 INFO L130 PetriNetUnfolder]: For 9897/9897 co-relation queries the response was YES. [2021-04-29 04:07:37,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2672 conditions, 342 events. 0/342 cut-off events. For 9897/9897 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3210 event pairs, 0 based on Foata normal form. 1/343 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-04-29 04:07:37,016 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 57 selfloop transitions, 52 changer transitions 2/121 dead transitions. [2021-04-29 04:07:37,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 121 transitions, 4158 flow [2021-04-29 04:07:37,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:37,017 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:37,017 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:37,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:37,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:37,018 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:37,018 INFO L185 Difference]: Start difference. First operand has 245 places, 117 transitions, 3904 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:37,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 121 transitions, 4158 flow [2021-04-29 04:07:37,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 121 transitions, 4051 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:37,066 INFO L241 Difference]: Finished difference. Result has 246 places, 115 transitions, 3830 flow [2021-04-29 04:07:37,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3803, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3830, PETRI_PLACES=246, PETRI_TRANSITIONS=115} [2021-04-29 04:07:37,067 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 209 predicate places. [2021-04-29 04:07:37,067 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:37,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 115 transitions, 3830 flow [2021-04-29 04:07:37,067 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 115 transitions, 3830 flow [2021-04-29 04:07:37,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 115 transitions, 3830 flow [2021-04-29 04:07:37,107 INFO L129 PetriNetUnfolder]: 0/337 cut-off events. [2021-04-29 04:07:37,107 INFO L130 PetriNetUnfolder]: For 9706/9706 co-relation queries the response was YES. [2021-04-29 04:07:37,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2469 conditions, 337 events. 0/337 cut-off events. For 9706/9706 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3170 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-04-29 04:07:37,110 INFO L146 LiptonReduction]: Number of co-enabled transitions 212 [2021-04-29 04:07:37,115 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:37,116 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:37,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-29 04:07:37,116 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 115 transitions, 3830 flow [2021-04-29 04:07:37,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:37,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:37,117 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:37,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-04-29 04:07:37,117 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:37,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1306557062, now seen corresponding path program 82 times [2021-04-29 04:07:37,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:37,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156128040] [2021-04-29 04:07:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:37,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:37,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:37,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:37,148 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:37,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:37,168 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:37,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:37,196 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:37,222 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 04:07:37,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156128040] [2021-04-29 04:07:37,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:37,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:37,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081409714] [2021-04-29 04:07:37,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:37,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:37,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:37,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:37,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:37,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 115 transitions, 3830 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:37,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:37,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:37,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:37,340 INFO L129 PetriNetUnfolder]: 0/336 cut-off events. [2021-04-29 04:07:37,340 INFO L130 PetriNetUnfolder]: For 9773/9775 co-relation queries the response was YES. [2021-04-29 04:07:37,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2617 conditions, 336 events. 0/336 cut-off events. For 9773/9775 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3132 event pairs, 0 based on Foata normal form. 1/337 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-04-29 04:07:37,341 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 50 changer transitions 3/119 dead transitions. [2021-04-29 04:07:37,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 119 transitions, 4080 flow [2021-04-29 04:07:37,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:37,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:37,342 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:37,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:37,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:37,344 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:37,344 INFO L185 Difference]: Start difference. First operand has 244 places, 115 transitions, 3830 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:37,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 119 transitions, 4080 flow [2021-04-29 04:07:37,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 119 transitions, 4013 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:37,404 INFO L241 Difference]: Finished difference. Result has 246 places, 112 transitions, 3756 flow [2021-04-29 04:07:37,405 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3769, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3756, PETRI_PLACES=246, PETRI_TRANSITIONS=112} [2021-04-29 04:07:37,405 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 209 predicate places. [2021-04-29 04:07:37,405 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:37,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 112 transitions, 3756 flow [2021-04-29 04:07:37,405 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 112 transitions, 3756 flow [2021-04-29 04:07:37,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 112 transitions, 3756 flow [2021-04-29 04:07:37,443 INFO L129 PetriNetUnfolder]: 0/328 cut-off events. [2021-04-29 04:07:37,443 INFO L130 PetriNetUnfolder]: For 9521/9521 co-relation queries the response was YES. [2021-04-29 04:07:37,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2427 conditions, 328 events. 0/328 cut-off events. For 9521/9521 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3069 event pairs, 0 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 0. Up to 39 conditions per place. [2021-04-29 04:07:37,446 INFO L146 LiptonReduction]: Number of co-enabled transitions 196 [2021-04-29 04:07:37,452 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:37,452 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:37,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-04-29 04:07:37,453 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 112 transitions, 3756 flow [2021-04-29 04:07:37,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:37,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:37,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:37,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-04-29 04:07:37,453 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:37,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:37,454 INFO L82 PathProgramCache]: Analyzing trace with hash -400455718, now seen corresponding path program 83 times [2021-04-29 04:07:37,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:37,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793834288] [2021-04-29 04:07:37,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:37,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:37,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:37,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:37,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:37,496 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:37,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:37,532 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:37,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:37,567 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:37,596 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 04:07:37,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793834288] [2021-04-29 04:07:37,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:37,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:37,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450725857] [2021-04-29 04:07:37,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:37,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:37,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:37,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:37,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:37,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 112 transitions, 3756 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:37,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:37,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:37,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:37,712 INFO L129 PetriNetUnfolder]: 0/327 cut-off events. [2021-04-29 04:07:37,712 INFO L130 PetriNetUnfolder]: For 9587/9589 co-relation queries the response was YES. [2021-04-29 04:07:37,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2571 conditions, 327 events. 0/327 cut-off events. For 9587/9589 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3006 event pairs, 0 based on Foata normal form. 1/328 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-04-29 04:07:37,713 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 57 selfloop transitions, 47 changer transitions 2/116 dead transitions. [2021-04-29 04:07:37,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 116 transitions, 4000 flow [2021-04-29 04:07:37,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:37,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:37,715 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:37,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:37,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:37,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:37,717 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:37,717 INFO L185 Difference]: Start difference. First operand has 244 places, 112 transitions, 3756 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:37,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 116 transitions, 4000 flow [2021-04-29 04:07:37,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 116 transitions, 3891 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:37,760 INFO L241 Difference]: Finished difference. Result has 245 places, 110 transitions, 3668 flow [2021-04-29 04:07:37,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3653, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3668, PETRI_PLACES=245, PETRI_TRANSITIONS=110} [2021-04-29 04:07:37,760 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 208 predicate places. [2021-04-29 04:07:37,760 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:37,760 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 110 transitions, 3668 flow [2021-04-29 04:07:37,760 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 110 transitions, 3668 flow [2021-04-29 04:07:37,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 110 transitions, 3668 flow [2021-04-29 04:07:37,796 INFO L129 PetriNetUnfolder]: 0/321 cut-off events. [2021-04-29 04:07:37,796 INFO L130 PetriNetUnfolder]: For 9060/9060 co-relation queries the response was YES. [2021-04-29 04:07:37,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2381 conditions, 321 events. 0/321 cut-off events. For 9060/9060 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2967 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-04-29 04:07:37,799 INFO L146 LiptonReduction]: Number of co-enabled transitions 184 [2021-04-29 04:07:37,806 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:37,806 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:37,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-04-29 04:07:37,807 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 110 transitions, 3668 flow [2021-04-29 04:07:37,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:37,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:37,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:37,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-04-29 04:07:37,807 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:37,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:37,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1671697360, now seen corresponding path program 84 times [2021-04-29 04:07:37,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:37,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585290063] [2021-04-29 04:07:37,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:37,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:37,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:37,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:37,829 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:37,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:37,849 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:37,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:37,889 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:37,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:37,919 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:37,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:37,945 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 04:07:37,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585290063] [2021-04-29 04:07:37,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:37,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:37,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607072743] [2021-04-29 04:07:37,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:37,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:37,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:37,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:37,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:37,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 110 transitions, 3668 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:37,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:37,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:37,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:38,101 INFO L129 PetriNetUnfolder]: 0/320 cut-off events. [2021-04-29 04:07:38,101 INFO L130 PetriNetUnfolder]: For 9116/9116 co-relation queries the response was YES. [2021-04-29 04:07:38,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2522 conditions, 320 events. 0/320 cut-off events. For 9116/9116 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2924 event pairs, 0 based on Foata normal form. 1/321 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-04-29 04:07:38,102 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 45 changer transitions 3/114 dead transitions. [2021-04-29 04:07:38,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 114 transitions, 3908 flow [2021-04-29 04:07:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:38,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:38,103 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:38,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:38,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:38,110 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:38,110 INFO L185 Difference]: Start difference. First operand has 243 places, 110 transitions, 3668 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:38,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 114 transitions, 3908 flow [2021-04-29 04:07:38,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 114 transitions, 3830 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:38,176 INFO L241 Difference]: Finished difference. Result has 245 places, 107 transitions, 3580 flow [2021-04-29 04:07:38,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3596, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3580, PETRI_PLACES=245, PETRI_TRANSITIONS=107} [2021-04-29 04:07:38,177 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 208 predicate places. [2021-04-29 04:07:38,177 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:38,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 107 transitions, 3580 flow [2021-04-29 04:07:38,177 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 107 transitions, 3580 flow [2021-04-29 04:07:38,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 107 transitions, 3580 flow [2021-04-29 04:07:38,235 INFO L129 PetriNetUnfolder]: 0/312 cut-off events. [2021-04-29 04:07:38,235 INFO L130 PetriNetUnfolder]: For 8680/8680 co-relation queries the response was YES. [2021-04-29 04:07:38,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2340 conditions, 312 events. 0/312 cut-off events. For 8680/8680 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2847 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 0. Up to 37 conditions per place. [2021-04-29 04:07:38,239 INFO L146 LiptonReduction]: Number of co-enabled transitions 178 [2021-04-29 04:07:38,268 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:38,268 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:38,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-04-29 04:07:38,269 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 107 transitions, 3580 flow [2021-04-29 04:07:38,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:38,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:38,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:38,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-04-29 04:07:38,270 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:38,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:38,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1473891636, now seen corresponding path program 85 times [2021-04-29 04:07:38,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:38,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493093839] [2021-04-29 04:07:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:38,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:38,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:38,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:38,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:38,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:38,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:38,337 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:38,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:38,360 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:38,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:38,383 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 04:07:38,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493093839] [2021-04-29 04:07:38,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:38,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:38,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973711705] [2021-04-29 04:07:38,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:38,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:38,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:38,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:38,385 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:38,385 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 107 transitions, 3580 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:38,385 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:38,385 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:38,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:38,527 INFO L129 PetriNetUnfolder]: 0/311 cut-off events. [2021-04-29 04:07:38,527 INFO L130 PetriNetUnfolder]: For 8735/8735 co-relation queries the response was YES. [2021-04-29 04:07:38,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2477 conditions, 311 events. 0/311 cut-off events. For 8735/8735 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2806 event pairs, 0 based on Foata normal form. 1/312 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-04-29 04:07:38,528 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 42 changer transitions 3/111 dead transitions. [2021-04-29 04:07:38,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 111 transitions, 3814 flow [2021-04-29 04:07:38,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:38,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:38,530 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:38,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:38,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:38,531 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:38,532 INFO L185 Difference]: Start difference. First operand has 243 places, 107 transitions, 3580 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:38,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 111 transitions, 3814 flow [2021-04-29 04:07:38,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 111 transitions, 3713 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:38,589 INFO L241 Difference]: Finished difference. Result has 245 places, 104 transitions, 3472 flow [2021-04-29 04:07:38,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3485, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3472, PETRI_PLACES=245, PETRI_TRANSITIONS=104} [2021-04-29 04:07:38,589 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 208 predicate places. [2021-04-29 04:07:38,590 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:38,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 104 transitions, 3472 flow [2021-04-29 04:07:38,590 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 104 transitions, 3472 flow [2021-04-29 04:07:38,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 104 transitions, 3472 flow [2021-04-29 04:07:38,636 INFO L129 PetriNetUnfolder]: 0/303 cut-off events. [2021-04-29 04:07:38,636 INFO L130 PetriNetUnfolder]: For 8460/8460 co-relation queries the response was YES. [2021-04-29 04:07:38,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 303 events. 0/303 cut-off events. For 8460/8460 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2731 event pairs, 0 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 0. Up to 36 conditions per place. [2021-04-29 04:07:38,639 INFO L146 LiptonReduction]: Number of co-enabled transitions 174 [2021-04-29 04:07:38,644 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:38,644 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:38,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-04-29 04:07:38,645 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 104 transitions, 3472 flow [2021-04-29 04:07:38,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:38,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:38,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:38,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-04-29 04:07:38,645 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:38,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:38,645 INFO L82 PathProgramCache]: Analyzing trace with hash 172773532, now seen corresponding path program 86 times [2021-04-29 04:07:38,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:38,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251289677] [2021-04-29 04:07:38,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:38,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:38,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:38,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:38,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:38,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:38,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:38,685 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:38,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:38,710 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:38,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:38,734 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:38,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:38,757 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 04:07:38,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251289677] [2021-04-29 04:07:38,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:38,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:38,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250822988] [2021-04-29 04:07:38,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:38,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:38,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:38,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:38,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:38,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 104 transitions, 3472 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:38,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:38,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:38,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:38,862 INFO L129 PetriNetUnfolder]: 0/302 cut-off events. [2021-04-29 04:07:38,862 INFO L130 PetriNetUnfolder]: For 8523/8525 co-relation queries the response was YES. [2021-04-29 04:07:38,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2404 conditions, 302 events. 0/302 cut-off events. For 8523/8525 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2715 event pairs, 0 based on Foata normal form. 1/303 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-04-29 04:07:38,863 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 43 changer transitions 2/108 dead transitions. [2021-04-29 04:07:38,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 108 transitions, 3700 flow [2021-04-29 04:07:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:38,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:38,864 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:38,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:38,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:38,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:38,865 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:38,865 INFO L185 Difference]: Start difference. First operand has 243 places, 104 transitions, 3472 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:38,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 108 transitions, 3700 flow [2021-04-29 04:07:38,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 108 transitions, 3583 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-04-29 04:07:38,901 INFO L241 Difference]: Finished difference. Result has 243 places, 102 transitions, 3377 flow [2021-04-29 04:07:38,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3363, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3377, PETRI_PLACES=243, PETRI_TRANSITIONS=102} [2021-04-29 04:07:38,902 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 206 predicate places. [2021-04-29 04:07:38,902 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:38,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 102 transitions, 3377 flow [2021-04-29 04:07:38,902 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 102 transitions, 3377 flow [2021-04-29 04:07:38,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 102 transitions, 3377 flow [2021-04-29 04:07:38,934 INFO L129 PetriNetUnfolder]: 0/295 cut-off events. [2021-04-29 04:07:38,935 INFO L130 PetriNetUnfolder]: For 8057/8057 co-relation queries the response was YES. [2021-04-29 04:07:38,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 295 events. 0/295 cut-off events. For 8057/8057 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2625 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 0. Up to 35 conditions per place. [2021-04-29 04:07:38,937 INFO L146 LiptonReduction]: Number of co-enabled transitions 174 [2021-04-29 04:07:38,951 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:38,952 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:38,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-04-29 04:07:38,952 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 102 transitions, 3377 flow [2021-04-29 04:07:38,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:38,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:38,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:38,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-04-29 04:07:38,952 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:38,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:38,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1854915744, now seen corresponding path program 87 times [2021-04-29 04:07:38,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:38,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847815218] [2021-04-29 04:07:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:38,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:38,970 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:38,993 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:39,023 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:39,052 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:39,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:39,080 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 04:07:39,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847815218] [2021-04-29 04:07:39,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:39,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:39,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046595168] [2021-04-29 04:07:39,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:39,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:39,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:39,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:39,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:39,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 102 transitions, 3377 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:39,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:39,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:39,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:39,185 INFO L129 PetriNetUnfolder]: 0/294 cut-off events. [2021-04-29 04:07:39,186 INFO L130 PetriNetUnfolder]: For 8109/8109 co-relation queries the response was YES. [2021-04-29 04:07:39,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2348 conditions, 294 events. 0/294 cut-off events. For 8109/8109 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2605 event pairs, 0 based on Foata normal form. 1/295 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-04-29 04:07:39,186 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 51 selfloop transitions, 41 changer transitions 4/106 dead transitions. [2021-04-29 04:07:39,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 106 transitions, 3599 flow [2021-04-29 04:07:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:39,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:39,188 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:39,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:39,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:39,189 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:39,189 INFO L185 Difference]: Start difference. First operand has 241 places, 102 transitions, 3377 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:39,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 106 transitions, 3599 flow [2021-04-29 04:07:39,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 106 transitions, 3473 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:39,226 INFO L241 Difference]: Finished difference. Result has 242 places, 98 transitions, 3210 flow [2021-04-29 04:07:39,226 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3257, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3210, PETRI_PLACES=242, PETRI_TRANSITIONS=98} [2021-04-29 04:07:39,226 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 205 predicate places. [2021-04-29 04:07:39,226 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:39,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 242 places, 98 transitions, 3210 flow [2021-04-29 04:07:39,227 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 242 places, 98 transitions, 3210 flow [2021-04-29 04:07:39,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 98 transitions, 3210 flow [2021-04-29 04:07:39,259 INFO L129 PetriNetUnfolder]: 0/285 cut-off events. [2021-04-29 04:07:39,260 INFO L130 PetriNetUnfolder]: For 7581/7581 co-relation queries the response was YES. [2021-04-29 04:07:39,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2122 conditions, 285 events. 0/285 cut-off events. For 7581/7581 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2492 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 0. Up to 34 conditions per place. [2021-04-29 04:07:39,263 INFO L146 LiptonReduction]: Number of co-enabled transitions 160 [2021-04-29 04:07:39,269 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:39,269 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:39,270 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-04-29 04:07:39,270 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 98 transitions, 3210 flow [2021-04-29 04:07:39,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:39,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:39,270 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:39,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-04-29 04:07:39,271 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:39,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:39,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1606447848, now seen corresponding path program 88 times [2021-04-29 04:07:39,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:39,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081216954] [2021-04-29 04:07:39,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:39,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:39,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:39,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:39,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:39,288 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:39,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:39,298 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:39,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:39,316 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:39,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:39,346 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:39,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:39,373 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 04:07:39,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081216954] [2021-04-29 04:07:39,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:39,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:39,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557112673] [2021-04-29 04:07:39,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:39,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:39,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:39,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:39,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:39,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 98 transitions, 3210 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:39,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:39,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:39,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:39,479 INFO L129 PetriNetUnfolder]: 0/284 cut-off events. [2021-04-29 04:07:39,479 INFO L130 PetriNetUnfolder]: For 7632/7632 co-relation queries the response was YES. [2021-04-29 04:07:39,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2247 conditions, 284 events. 0/284 cut-off events. For 7632/7632 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2477 event pairs, 0 based on Foata normal form. 1/285 useless extension candidates. Maximal degree in co-relation 0. Up to 71 conditions per place. [2021-04-29 04:07:39,480 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 32 changer transitions 2/108 dead transitions. [2021-04-29 04:07:39,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 108 transitions, 3637 flow [2021-04-29 04:07:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:39,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:39,482 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:39,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:39,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:39,484 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:39,484 INFO L185 Difference]: Start difference. First operand has 240 places, 98 transitions, 3210 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:39,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 108 transitions, 3637 flow [2021-04-29 04:07:39,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 108 transitions, 3551 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:39,518 INFO L241 Difference]: Finished difference. Result has 246 places, 101 transitions, 3335 flow [2021-04-29 04:07:39,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3139, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3335, PETRI_PLACES=246, PETRI_TRANSITIONS=101} [2021-04-29 04:07:39,518 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 209 predicate places. [2021-04-29 04:07:39,518 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:39,518 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 101 transitions, 3335 flow [2021-04-29 04:07:39,519 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 101 transitions, 3335 flow [2021-04-29 04:07:39,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 101 transitions, 3335 flow [2021-04-29 04:07:39,549 INFO L129 PetriNetUnfolder]: 0/277 cut-off events. [2021-04-29 04:07:39,549 INFO L130 PetriNetUnfolder]: For 7765/7767 co-relation queries the response was YES. [2021-04-29 04:07:39,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2098 conditions, 277 events. 0/277 cut-off events. For 7765/7767 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2417 event pairs, 0 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 0. Up to 33 conditions per place. [2021-04-29 04:07:39,552 INFO L146 LiptonReduction]: Number of co-enabled transitions 164 [2021-04-29 04:07:39,556 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:39,556 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:39,556 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-04-29 04:07:39,557 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 101 transitions, 3335 flow [2021-04-29 04:07:39,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:39,557 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:39,557 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:39,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-04-29 04:07:39,557 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:39,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:39,557 INFO L82 PathProgramCache]: Analyzing trace with hash -867301984, now seen corresponding path program 89 times [2021-04-29 04:07:39,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:39,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336732815] [2021-04-29 04:07:39,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:39,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:39,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:39,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:39,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:39,574 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:39,585 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:39,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:39,603 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:39,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:39,625 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:39,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:39,647 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 04:07:39,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336732815] [2021-04-29 04:07:39,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:39,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:39,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850099067] [2021-04-29 04:07:39,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:39,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:39,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:39,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:39,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:39,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 101 transitions, 3335 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:39,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:39,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:39,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:39,772 INFO L129 PetriNetUnfolder]: 0/276 cut-off events. [2021-04-29 04:07:39,773 INFO L130 PetriNetUnfolder]: For 7769/7769 co-relation queries the response was YES. [2021-04-29 04:07:39,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2220 conditions, 276 events. 0/276 cut-off events. For 7769/7769 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2374 event pairs, 0 based on Foata normal form. 1/277 useless extension candidates. Maximal degree in co-relation 0. Up to 71 conditions per place. [2021-04-29 04:07:39,773 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 65 selfloop transitions, 29 changer transitions 2/106 dead transitions. [2021-04-29 04:07:39,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 106 transitions, 3599 flow [2021-04-29 04:07:39,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:39,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:39,774 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:39,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:39,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:39,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:39,776 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:39,776 INFO L185 Difference]: Start difference. First operand has 245 places, 101 transitions, 3335 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:39,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 106 transitions, 3599 flow [2021-04-29 04:07:39,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 106 transitions, 3558 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:39,811 INFO L241 Difference]: Finished difference. Result has 250 places, 101 transitions, 3356 flow [2021-04-29 04:07:39,811 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3300, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3356, PETRI_PLACES=250, PETRI_TRANSITIONS=101} [2021-04-29 04:07:39,811 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 213 predicate places. [2021-04-29 04:07:39,811 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:39,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 101 transitions, 3356 flow [2021-04-29 04:07:39,811 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 101 transitions, 3356 flow [2021-04-29 04:07:39,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 101 transitions, 3356 flow [2021-04-29 04:07:39,843 INFO L129 PetriNetUnfolder]: 0/269 cut-off events. [2021-04-29 04:07:39,843 INFO L130 PetriNetUnfolder]: For 7599/7601 co-relation queries the response was YES. [2021-04-29 04:07:39,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2080 conditions, 269 events. 0/269 cut-off events. For 7599/7601 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2319 event pairs, 0 based on Foata normal form. 0/267 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place. [2021-04-29 04:07:39,845 INFO L146 LiptonReduction]: Number of co-enabled transitions 164 [2021-04-29 04:07:39,850 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:39,850 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:39,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-29 04:07:39,850 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 101 transitions, 3356 flow [2021-04-29 04:07:39,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:39,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:39,850 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:39,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-04-29 04:07:39,851 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:39,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:39,851 INFO L82 PathProgramCache]: Analyzing trace with hash -379207254, now seen corresponding path program 90 times [2021-04-29 04:07:39,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:39,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123306389] [2021-04-29 04:07:39,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:39,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:39,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:39,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:39,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:39,868 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:39,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:39,883 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:39,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:39,903 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:39,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:39,933 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:39,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:39,961 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 04:07:39,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123306389] [2021-04-29 04:07:39,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:39,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:39,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260659171] [2021-04-29 04:07:39,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:39,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:39,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:39,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:39,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:39,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 101 transitions, 3356 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:39,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:39,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:39,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:40,097 INFO L129 PetriNetUnfolder]: 0/268 cut-off events. [2021-04-29 04:07:40,098 INFO L130 PetriNetUnfolder]: For 7620/7620 co-relation queries the response was YES. [2021-04-29 04:07:40,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 268 events. 0/268 cut-off events. For 7620/7620 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2280 event pairs, 0 based on Foata normal form. 1/269 useless extension candidates. Maximal degree in co-relation 0. Up to 71 conditions per place. [2021-04-29 04:07:40,098 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 63 selfloop transitions, 28 changer transitions 3/104 dead transitions. [2021-04-29 04:07:40,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 104 transitions, 3556 flow [2021-04-29 04:07:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:40,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:40,099 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:40,099 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:40,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:40,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:40,100 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:40,101 INFO L185 Difference]: Start difference. First operand has 249 places, 101 transitions, 3356 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:40,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 104 transitions, 3556 flow [2021-04-29 04:07:40,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 104 transitions, 3507 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-29 04:07:40,136 INFO L241 Difference]: Finished difference. Result has 253 places, 98 transitions, 3260 flow [2021-04-29 04:07:40,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3313, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3260, PETRI_PLACES=253, PETRI_TRANSITIONS=98} [2021-04-29 04:07:40,137 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 216 predicate places. [2021-04-29 04:07:40,137 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:40,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 98 transitions, 3260 flow [2021-04-29 04:07:40,137 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 98 transitions, 3260 flow [2021-04-29 04:07:40,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 98 transitions, 3260 flow [2021-04-29 04:07:40,168 INFO L129 PetriNetUnfolder]: 0/260 cut-off events. [2021-04-29 04:07:40,168 INFO L130 PetriNetUnfolder]: For 7342/7344 co-relation queries the response was YES. [2021-04-29 04:07:40,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2025 conditions, 260 events. 0/260 cut-off events. For 7342/7344 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2225 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 0. Up to 31 conditions per place. [2021-04-29 04:07:40,172 INFO L146 LiptonReduction]: Number of co-enabled transitions 160 [2021-04-29 04:07:40,178 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:40,178 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:40,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-29 04:07:40,179 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 98 transitions, 3260 flow [2021-04-29 04:07:40,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:40,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:40,179 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:40,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-04-29 04:07:40,180 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:40,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:40,180 INFO L82 PathProgramCache]: Analyzing trace with hash -881931416, now seen corresponding path program 91 times [2021-04-29 04:07:40,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:40,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061639109] [2021-04-29 04:07:40,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:40,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:40,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:40,207 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:40,239 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:40,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:40,276 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:40,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:40,303 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 04:07:40,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061639109] [2021-04-29 04:07:40,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:40,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:40,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652271376] [2021-04-29 04:07:40,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:40,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:40,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:40,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:40,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:40,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 98 transitions, 3260 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:40,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:40,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:40,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:40,405 INFO L129 PetriNetUnfolder]: 0/259 cut-off events. [2021-04-29 04:07:40,406 INFO L130 PetriNetUnfolder]: For 7367/7367 co-relation queries the response was YES. [2021-04-29 04:07:40,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2140 conditions, 259 events. 0/259 cut-off events. For 7367/7367 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2185 event pairs, 0 based on Foata normal form. 1/260 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-04-29 04:07:40,407 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 48 selfloop transitions, 41 changer transitions 2/101 dead transitions. [2021-04-29 04:07:40,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 101 transitions, 3454 flow [2021-04-29 04:07:40,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:40,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:40,408 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:40,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:40,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:40,409 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:40,409 INFO L185 Difference]: Start difference. First operand has 252 places, 98 transitions, 3260 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:40,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 101 transitions, 3454 flow [2021-04-29 04:07:40,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 101 transitions, 3396 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:07:40,445 INFO L241 Difference]: Finished difference. Result has 255 places, 96 transitions, 3212 flow [2021-04-29 04:07:40,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3208, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3212, PETRI_PLACES=255, PETRI_TRANSITIONS=96} [2021-04-29 04:07:40,446 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 218 predicate places. [2021-04-29 04:07:40,446 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:40,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 255 places, 96 transitions, 3212 flow [2021-04-29 04:07:40,446 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 255 places, 96 transitions, 3212 flow [2021-04-29 04:07:40,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 96 transitions, 3212 flow [2021-04-29 04:07:40,474 INFO L129 PetriNetUnfolder]: 0/252 cut-off events. [2021-04-29 04:07:40,475 INFO L130 PetriNetUnfolder]: For 7184/7184 co-relation queries the response was YES. [2021-04-29 04:07:40,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1993 conditions, 252 events. 0/252 cut-off events. For 7184/7184 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2133 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-04-29 04:07:40,478 INFO L146 LiptonReduction]: Number of co-enabled transitions 160 [2021-04-29 04:07:40,483 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:40,484 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:40,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-04-29 04:07:40,484 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 96 transitions, 3212 flow [2021-04-29 04:07:40,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:40,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:40,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:40,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-04-29 04:07:40,485 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:40,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:40,485 INFO L82 PathProgramCache]: Analyzing trace with hash 577468030, now seen corresponding path program 92 times [2021-04-29 04:07:40,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:40,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968064047] [2021-04-29 04:07:40,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:40,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:40,503 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:40,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:40,513 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:40,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:40,528 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:40,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:40,556 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:40,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:40,584 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 04:07:40,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968064047] [2021-04-29 04:07:40,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:40,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:40,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738633459] [2021-04-29 04:07:40,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:40,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:40,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:40,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:40,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:40,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 96 transitions, 3212 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:40,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:40,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:40,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:40,705 INFO L129 PetriNetUnfolder]: 0/251 cut-off events. [2021-04-29 04:07:40,705 INFO L130 PetriNetUnfolder]: For 7263/7269 co-relation queries the response was YES. [2021-04-29 04:07:40,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2105 conditions, 251 events. 0/251 cut-off events. For 7263/7269 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2104 event pairs, 0 based on Foata normal form. 3/254 useless extension candidates. Maximal degree in co-relation 0. Up to 71 conditions per place. [2021-04-29 04:07:40,706 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 23 changer transitions 2/99 dead transitions. [2021-04-29 04:07:40,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 99 transitions, 3402 flow [2021-04-29 04:07:40,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-04-29 04:07:40,709 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-04-29 04:07:40,709 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:40,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-04-29 04:07:40,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:40,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:40,710 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:40,710 INFO L185 Difference]: Start difference. First operand has 247 places, 96 transitions, 3212 flow. Second operand 7 states and 307 transitions. [2021-04-29 04:07:40,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 99 transitions, 3402 flow [2021-04-29 04:07:40,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 99 transitions, 3268 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-04-29 04:07:40,745 INFO L241 Difference]: Finished difference. Result has 246 places, 94 transitions, 3044 flow [2021-04-29 04:07:40,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3084, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3044, PETRI_PLACES=246, PETRI_TRANSITIONS=94} [2021-04-29 04:07:40,745 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 209 predicate places. [2021-04-29 04:07:40,745 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:40,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 94 transitions, 3044 flow [2021-04-29 04:07:40,745 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 94 transitions, 3044 flow [2021-04-29 04:07:40,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 94 transitions, 3044 flow [2021-04-29 04:07:40,773 INFO L129 PetriNetUnfolder]: 0/245 cut-off events. [2021-04-29 04:07:40,773 INFO L130 PetriNetUnfolder]: For 6569/6571 co-relation queries the response was YES. [2021-04-29 04:07:40,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1897 conditions, 245 events. 0/245 cut-off events. For 6569/6571 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2056 event pairs, 0 based on Foata normal form. 0/245 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2021-04-29 04:07:40,776 INFO L146 LiptonReduction]: Number of co-enabled transitions 154 [2021-04-29 04:07:40,781 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:40,781 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:40,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-04-29 04:07:40,782 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 94 transitions, 3044 flow [2021-04-29 04:07:40,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:40,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:40,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:40,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-04-29 04:07:40,782 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:40,782 INFO L82 PathProgramCache]: Analyzing trace with hash 839613698, now seen corresponding path program 93 times [2021-04-29 04:07:40,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:40,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216950422] [2021-04-29 04:07:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:40,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:40,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:40,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:40,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:40,810 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:40,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:40,834 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:40,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:40,857 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:40,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:40,879 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 04:07:40,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216950422] [2021-04-29 04:07:40,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:40,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:40,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107695957] [2021-04-29 04:07:40,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:40,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:40,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:40,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:40,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:40,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 94 transitions, 3044 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:40,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:40,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:40,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:40,991 INFO L129 PetriNetUnfolder]: 0/244 cut-off events. [2021-04-29 04:07:40,991 INFO L130 PetriNetUnfolder]: For 6592/6592 co-relation queries the response was YES. [2021-04-29 04:07:40,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2006 conditions, 244 events. 0/244 cut-off events. For 6592/6592 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2017 event pairs, 0 based on Foata normal form. 1/245 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-04-29 04:07:40,992 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 46 selfloop transitions, 37 changer transitions 4/97 dead transitions. [2021-04-29 04:07:40,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 97 transitions, 3230 flow [2021-04-29 04:07:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:40,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:40,993 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:40,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:40,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:40,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:40,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:40,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:40,994 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:40,994 INFO L185 Difference]: Start difference. First operand has 245 places, 94 transitions, 3044 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:40,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 97 transitions, 3230 flow [2021-04-29 04:07:41,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 97 transitions, 3156 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:41,026 INFO L241 Difference]: Finished difference. Result has 246 places, 90 transitions, 2913 flow [2021-04-29 04:07:41,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2976, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2913, PETRI_PLACES=246, PETRI_TRANSITIONS=90} [2021-04-29 04:07:41,027 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 209 predicate places. [2021-04-29 04:07:41,027 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:41,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 90 transitions, 2913 flow [2021-04-29 04:07:41,027 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 90 transitions, 2913 flow [2021-04-29 04:07:41,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 90 transitions, 2913 flow [2021-04-29 04:07:41,053 INFO L129 PetriNetUnfolder]: 0/235 cut-off events. [2021-04-29 04:07:41,053 INFO L130 PetriNetUnfolder]: For 6383/6385 co-relation queries the response was YES. [2021-04-29 04:07:41,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1811 conditions, 235 events. 0/235 cut-off events. For 6383/6385 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1929 event pairs, 0 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 0. Up to 28 conditions per place. [2021-04-29 04:07:41,055 INFO L146 LiptonReduction]: Number of co-enabled transitions 140 [2021-04-29 04:07:41,059 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:41,060 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:41,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-04-29 04:07:41,060 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 90 transitions, 2913 flow [2021-04-29 04:07:41,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:41,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:41,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:41,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-04-29 04:07:41,061 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:41,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:41,061 INFO L82 PathProgramCache]: Analyzing trace with hash -277838624, now seen corresponding path program 94 times [2021-04-29 04:07:41,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:41,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471082132] [2021-04-29 04:07:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:41,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:41,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:41,078 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:41,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:41,092 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:41,107 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:41,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:41,138 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:41,160 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 04:07:41,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471082132] [2021-04-29 04:07:41,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:41,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:41,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823191358] [2021-04-29 04:07:41,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:41,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:41,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:41,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:41,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:41,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 90 transitions, 2913 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:41,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:41,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:41,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:41,275 INFO L129 PetriNetUnfolder]: 0/234 cut-off events. [2021-04-29 04:07:41,275 INFO L130 PetriNetUnfolder]: For 6416/6416 co-relation queries the response was YES. [2021-04-29 04:07:41,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 234 events. 0/234 cut-off events. For 6416/6416 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1903 event pairs, 0 based on Foata normal form. 1/235 useless extension candidates. Maximal degree in co-relation 0. Up to 68 conditions per place. [2021-04-29 04:07:41,276 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 59 selfloop transitions, 20 changer transitions 3/92 dead transitions. [2021-04-29 04:07:41,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 92 transitions, 3085 flow [2021-04-29 04:07:41,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:41,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-04-29 04:07:41,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-04-29 04:07:41,277 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-04-29 04:07:41,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-04-29 04:07:41,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:41,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-04-29 04:07:41,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 04:07:41,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:41,278 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:41,278 INFO L185 Difference]: Start difference. First operand has 235 places, 90 transitions, 2913 flow. Second operand 7 states and 305 transitions. [2021-04-29 04:07:41,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 92 transitions, 3085 flow [2021-04-29 04:07:41,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 92 transitions, 2874 flow, removed 10 selfloop flow, removed 11 redundant places. [2021-04-29 04:07:41,309 INFO L241 Difference]: Finished difference. Result has 231 places, 87 transitions, 2645 flow [2021-04-29 04:07:41,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2706, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2645, PETRI_PLACES=231, PETRI_TRANSITIONS=87} [2021-04-29 04:07:41,310 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 194 predicate places. [2021-04-29 04:07:41,310 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:41,310 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 87 transitions, 2645 flow [2021-04-29 04:07:41,310 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 87 transitions, 2645 flow [2021-04-29 04:07:41,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 87 transitions, 2645 flow [2021-04-29 04:07:41,349 INFO L129 PetriNetUnfolder]: 0/226 cut-off events. [2021-04-29 04:07:41,349 INFO L130 PetriNetUnfolder]: For 5071/5071 co-relation queries the response was YES. [2021-04-29 04:07:41,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1672 conditions, 226 events. 0/226 cut-off events. For 5071/5071 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1839 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 0. Up to 27 conditions per place. [2021-04-29 04:07:41,352 INFO L146 LiptonReduction]: Number of co-enabled transitions 136 [2021-04-29 04:07:41,358 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:41,358 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:41,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-04-29 04:07:41,359 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 87 transitions, 2645 flow [2021-04-29 04:07:41,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:41,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:41,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:41,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-04-29 04:07:41,359 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:41,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1527601282, now seen corresponding path program 95 times [2021-04-29 04:07:41,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:41,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085251200] [2021-04-29 04:07:41,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:41,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:41,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:41,377 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:41,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:41,388 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:41,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:41,406 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:41,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:41,430 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:41,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:41,453 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 04:07:41,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085251200] [2021-04-29 04:07:41,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:41,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:41,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066753923] [2021-04-29 04:07:41,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:41,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:41,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:41,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:41,455 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:41,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 87 transitions, 2645 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:41,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:41,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:41,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:41,555 INFO L129 PetriNetUnfolder]: 0/225 cut-off events. [2021-04-29 04:07:41,555 INFO L130 PetriNetUnfolder]: For 5155/5161 co-relation queries the response was YES. [2021-04-29 04:07:41,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1772 conditions, 225 events. 0/225 cut-off events. For 5155/5161 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1821 event pairs, 0 based on Foata normal form. 3/228 useless extension candidates. Maximal degree in co-relation 0. Up to 68 conditions per place. [2021-04-29 04:07:41,556 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 22 changer transitions 4/90 dead transitions. [2021-04-29 04:07:41,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 90 transitions, 2817 flow [2021-04-29 04:07:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-04-29 04:07:41,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-04-29 04:07:41,558 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-04-29 04:07:41,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-04-29 04:07:41,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:41,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-04-29 04:07:41,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 04:07:41,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:41,560 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:41,560 INFO L185 Difference]: Start difference. First operand has 228 places, 87 transitions, 2645 flow. Second operand 7 states and 305 transitions. [2021-04-29 04:07:41,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 90 transitions, 2817 flow [2021-04-29 04:07:41,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 90 transitions, 2762 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:41,600 INFO L241 Difference]: Finished difference. Result has 230 places, 83 transitions, 2517 flow [2021-04-29 04:07:41,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2596, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2517, PETRI_PLACES=230, PETRI_TRANSITIONS=83} [2021-04-29 04:07:41,600 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 193 predicate places. [2021-04-29 04:07:41,600 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:41,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 83 transitions, 2517 flow [2021-04-29 04:07:41,601 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 83 transitions, 2517 flow [2021-04-29 04:07:41,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 83 transitions, 2517 flow [2021-04-29 04:07:41,640 INFO L129 PetriNetUnfolder]: 0/216 cut-off events. [2021-04-29 04:07:41,640 INFO L130 PetriNetUnfolder]: For 4834/4834 co-relation queries the response was YES. [2021-04-29 04:07:41,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1594 conditions, 216 events. 0/216 cut-off events. For 4834/4834 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1727 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2021-04-29 04:07:41,643 INFO L146 LiptonReduction]: Number of co-enabled transitions 136 [2021-04-29 04:07:41,648 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:41,648 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:41,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-04-29 04:07:41,648 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 83 transitions, 2517 flow [2021-04-29 04:07:41,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:41,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:41,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:41,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-04-29 04:07:41,649 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:41,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:41,649 INFO L82 PathProgramCache]: Analyzing trace with hash -345361944, now seen corresponding path program 96 times [2021-04-29 04:07:41,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:41,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027916610] [2021-04-29 04:07:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:41,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:41,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:41,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:41,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:41,704 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:41,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:41,726 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:41,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:41,748 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 04:07:41,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027916610] [2021-04-29 04:07:41,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:41,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:41,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600736317] [2021-04-29 04:07:41,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:41,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:41,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:41,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:41,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:41,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 83 transitions, 2517 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:41,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:41,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:41,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:41,863 INFO L129 PetriNetUnfolder]: 0/215 cut-off events. [2021-04-29 04:07:41,863 INFO L130 PetriNetUnfolder]: For 4884/4887 co-relation queries the response was YES. [2021-04-29 04:07:41,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 215 events. 0/215 cut-off events. For 4884/4887 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1721 event pairs, 0 based on Foata normal form. 2/217 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-04-29 04:07:41,864 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 41 selfloop transitions, 33 changer transitions 2/86 dead transitions. [2021-04-29 04:07:41,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 86 transitions, 2681 flow [2021-04-29 04:07:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-04-29 04:07:41,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-04-29 04:07:41,865 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-04-29 04:07:41,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-04-29 04:07:41,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:41,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-04-29 04:07:41,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 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 04:07:41,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:41,866 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:41,866 INFO L185 Difference]: Start difference. First operand has 225 places, 83 transitions, 2517 flow. Second operand 7 states and 306 transitions. [2021-04-29 04:07:41,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 86 transitions, 2681 flow [2021-04-29 04:07:41,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 86 transitions, 2614 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-04-29 04:07:41,896 INFO L241 Difference]: Finished difference. Result has 225 places, 81 transitions, 2445 flow [2021-04-29 04:07:41,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2456, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2445, PETRI_PLACES=225, PETRI_TRANSITIONS=81} [2021-04-29 04:07:41,897 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 188 predicate places. [2021-04-29 04:07:41,897 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:41,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 81 transitions, 2445 flow [2021-04-29 04:07:41,897 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 81 transitions, 2445 flow [2021-04-29 04:07:41,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 81 transitions, 2445 flow [2021-04-29 04:07:41,921 INFO L129 PetriNetUnfolder]: 0/209 cut-off events. [2021-04-29 04:07:41,921 INFO L130 PetriNetUnfolder]: For 4689/4690 co-relation queries the response was YES. [2021-04-29 04:07:41,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1546 conditions, 209 events. 0/209 cut-off events. For 4689/4690 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1663 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2021-04-29 04:07:41,923 INFO L146 LiptonReduction]: Number of co-enabled transitions 132 [2021-04-29 04:07:41,926 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:41,926 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:41,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-04-29 04:07:41,927 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 81 transitions, 2445 flow [2021-04-29 04:07:41,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:41,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:41,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:41,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-04-29 04:07:41,927 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:41,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:41,928 INFO L82 PathProgramCache]: Analyzing trace with hash -527618360, now seen corresponding path program 97 times [2021-04-29 04:07:41,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:41,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661787] [2021-04-29 04:07:41,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:41,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:41,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:41,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:41,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:41,956 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:41,986 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:41,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:42,016 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:42,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:42,043 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 04:07:42,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661787] [2021-04-29 04:07:42,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:42,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:42,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981550496] [2021-04-29 04:07:42,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:42,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:42,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:42,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:42,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:42,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 81 transitions, 2445 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:42,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:42,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:42,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:42,130 INFO L129 PetriNetUnfolder]: 0/208 cut-off events. [2021-04-29 04:07:42,130 INFO L130 PetriNetUnfolder]: For 4729/4729 co-relation queries the response was YES. [2021-04-29 04:07:42,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1638 conditions, 208 events. 0/208 cut-off events. For 4729/4729 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1624 event pairs, 0 based on Foata normal form. 1/209 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-04-29 04:07:42,131 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 38 selfloop transitions, 33 changer transitions 3/84 dead transitions. [2021-04-29 04:07:42,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 84 transitions, 2605 flow [2021-04-29 04:07:42,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-04-29 04:07:42,132 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-04-29 04:07:42,132 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:42,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 04:07:42,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:42,135 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:42,135 INFO L185 Difference]: Start difference. First operand has 220 places, 81 transitions, 2445 flow. Second operand 7 states and 305 transitions. [2021-04-29 04:07:42,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 84 transitions, 2605 flow [2021-04-29 04:07:42,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 84 transitions, 2515 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-04-29 04:07:42,159 INFO L241 Difference]: Finished difference. Result has 220 places, 78 transitions, 2320 flow [2021-04-29 04:07:42,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2361, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2320, PETRI_PLACES=220, PETRI_TRANSITIONS=78} [2021-04-29 04:07:42,159 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 183 predicate places. [2021-04-29 04:07:42,160 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:42,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 78 transitions, 2320 flow [2021-04-29 04:07:42,160 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 78 transitions, 2320 flow [2021-04-29 04:07:42,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 212 places, 78 transitions, 2320 flow [2021-04-29 04:07:42,180 INFO L129 PetriNetUnfolder]: 0/201 cut-off events. [2021-04-29 04:07:42,181 INFO L130 PetriNetUnfolder]: For 4400/4401 co-relation queries the response was YES. [2021-04-29 04:07:42,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1464 conditions, 201 events. 0/201 cut-off events. For 4400/4401 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1556 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2021-04-29 04:07:42,182 INFO L146 LiptonReduction]: Number of co-enabled transitions 116 [2021-04-29 04:07:42,186 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:42,186 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:42,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-04-29 04:07:42,186 INFO L480 AbstractCegarLoop]: Abstraction has has 212 places, 78 transitions, 2320 flow [2021-04-29 04:07:42,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:42,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:42,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:42,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-04-29 04:07:42,186 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:42,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:42,187 INFO L82 PathProgramCache]: Analyzing trace with hash -53830330, now seen corresponding path program 98 times [2021-04-29 04:07:42,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:42,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495763765] [2021-04-29 04:07:42,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:42,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:42,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:42,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:42,221 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:42,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:42,237 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:42,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:42,261 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:42,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:42,284 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 04:07:42,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495763765] [2021-04-29 04:07:42,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:42,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:42,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659079963] [2021-04-29 04:07:42,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:42,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:42,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:42,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:42,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:42,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 78 transitions, 2320 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:42,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:42,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:42,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:42,385 INFO L129 PetriNetUnfolder]: 0/200 cut-off events. [2021-04-29 04:07:42,385 INFO L130 PetriNetUnfolder]: For 4445/4448 co-relation queries the response was YES. [2021-04-29 04:07:42,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1552 conditions, 200 events. 0/200 cut-off events. For 4445/4448 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1544 event pairs, 0 based on Foata normal form. 2/202 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-04-29 04:07:42,385 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 37 selfloop transitions, 30 changer transitions 3/80 dead transitions. [2021-04-29 04:07:42,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 80 transitions, 2468 flow [2021-04-29 04:07:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-04-29 04:07:42,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-04-29 04:07:42,387 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:42,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 04:07:42,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:42,388 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:42,388 INFO L185 Difference]: Start difference. First operand has 212 places, 78 transitions, 2320 flow. Second operand 7 states and 305 transitions. [2021-04-29 04:07:42,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 80 transitions, 2468 flow [2021-04-29 04:07:42,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 80 transitions, 2286 flow, removed 11 selfloop flow, removed 12 redundant places. [2021-04-29 04:07:42,408 INFO L241 Difference]: Finished difference. Result has 207 places, 75 transitions, 2108 flow [2021-04-29 04:07:42,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2142, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2108, PETRI_PLACES=207, PETRI_TRANSITIONS=75} [2021-04-29 04:07:42,408 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 170 predicate places. [2021-04-29 04:07:42,409 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:42,409 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 75 transitions, 2108 flow [2021-04-29 04:07:42,409 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 75 transitions, 2108 flow [2021-04-29 04:07:42,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 198 places, 75 transitions, 2108 flow [2021-04-29 04:07:42,427 INFO L129 PetriNetUnfolder]: 0/193 cut-off events. [2021-04-29 04:07:42,428 INFO L130 PetriNetUnfolder]: For 3542/3543 co-relation queries the response was YES. [2021-04-29 04:07:42,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1359 conditions, 193 events. 0/193 cut-off events. For 3542/3543 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1467 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place. [2021-04-29 04:07:42,429 INFO L146 LiptonReduction]: Number of co-enabled transitions 104 [2021-04-29 04:07:42,432 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:42,432 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:42,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-04-29 04:07:42,433 INFO L480 AbstractCegarLoop]: Abstraction has has 198 places, 75 transitions, 2108 flow [2021-04-29 04:07:42,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:42,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:42,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:42,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-04-29 04:07:42,433 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:42,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:42,434 INFO L82 PathProgramCache]: Analyzing trace with hash -485707040, now seen corresponding path program 99 times [2021-04-29 04:07:42,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:42,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104784657] [2021-04-29 04:07:42,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:42,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:42,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:42,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:42,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:42,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:42,486 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:42,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:42,515 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:42,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:42,543 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 04:07:42,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104784657] [2021-04-29 04:07:42,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:42,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:42,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852767847] [2021-04-29 04:07:42,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:42,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:42,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:42,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:42,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:42,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 75 transitions, 2108 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:42,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:42,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:42,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:42,649 INFO L129 PetriNetUnfolder]: 0/192 cut-off events. [2021-04-29 04:07:42,650 INFO L130 PetriNetUnfolder]: For 3581/3584 co-relation queries the response was YES. [2021-04-29 04:07:42,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1443 conditions, 192 events. 0/192 cut-off events. For 3581/3584 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1452 event pairs, 0 based on Foata normal form. 2/194 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-04-29 04:07:42,651 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 38 selfloop transitions, 27 changer transitions 2/77 dead transitions. [2021-04-29 04:07:42,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 77 transitions, 2250 flow [2021-04-29 04:07:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-04-29 04:07:42,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-04-29 04:07:42,652 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:42,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-04-29 04:07:42,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 04:07:42,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:42,654 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:42,654 INFO L185 Difference]: Start difference. First operand has 198 places, 75 transitions, 2108 flow. Second operand 7 states and 305 transitions. [2021-04-29 04:07:42,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 77 transitions, 2250 flow [2021-04-29 04:07:42,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 77 transitions, 2070 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-04-29 04:07:42,682 INFO L241 Difference]: Finished difference. Result has 192 places, 73 transitions, 1920 flow [2021-04-29 04:07:42,682 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1932, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1920, PETRI_PLACES=192, PETRI_TRANSITIONS=73} [2021-04-29 04:07:42,682 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 155 predicate places. [2021-04-29 04:07:42,683 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:42,683 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 192 places, 73 transitions, 1920 flow [2021-04-29 04:07:42,683 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 192 places, 73 transitions, 1920 flow [2021-04-29 04:07:42,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 73 transitions, 1920 flow [2021-04-29 04:07:42,710 INFO L129 PetriNetUnfolder]: 0/186 cut-off events. [2021-04-29 04:07:42,710 INFO L130 PetriNetUnfolder]: For 2753/2753 co-relation queries the response was YES. [2021-04-29 04:07:42,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1262 conditions, 186 events. 0/186 cut-off events. For 2753/2753 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1393 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2021-04-29 04:07:42,713 INFO L146 LiptonReduction]: Number of co-enabled transitions 98 [2021-04-29 04:07:42,717 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:42,717 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:42,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-29 04:07:42,718 INFO L480 AbstractCegarLoop]: Abstraction has has 188 places, 73 transitions, 1920 flow [2021-04-29 04:07:42,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:42,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:42,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:42,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-04-29 04:07:42,718 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:42,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:42,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1341013694, now seen corresponding path program 100 times [2021-04-29 04:07:42,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:42,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976011975] [2021-04-29 04:07:42,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:42,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:42,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:42,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:42,749 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:42,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:42,766 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:42,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:42,791 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:42,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:42,814 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 04:07:42,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976011975] [2021-04-29 04:07:42,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:42,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:42,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947561237] [2021-04-29 04:07:42,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:42,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:42,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:42,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:42,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:42,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 73 transitions, 1920 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:42,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:42,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:42,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:42,923 INFO L129 PetriNetUnfolder]: 0/185 cut-off events. [2021-04-29 04:07:42,923 INFO L130 PetriNetUnfolder]: For 2789/2789 co-relation queries the response was YES. [2021-04-29 04:07:42,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1343 conditions, 185 events. 0/185 cut-off events. For 2789/2789 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1368 event pairs, 0 based on Foata normal form. 1/186 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-04-29 04:07:42,924 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 36 selfloop transitions, 23 changer transitions 5/74 dead transitions. [2021-04-29 04:07:42,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 74 transitions, 2052 flow [2021-04-29 04:07:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 303 transitions. [2021-04-29 04:07:42,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.816711590296496 [2021-04-29 04:07:42,926 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 303 transitions. [2021-04-29 04:07:42,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 303 transitions. [2021-04-29 04:07:42,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:42,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 303 transitions. [2021-04-29 04:07:42,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 0 states have call successors, (0), 0 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 04:07:42,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:42,927 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:42,927 INFO L185 Difference]: Start difference. First operand has 188 places, 73 transitions, 1920 flow. Second operand 7 states and 303 transitions. [2021-04-29 04:07:42,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 74 transitions, 2052 flow [2021-04-29 04:07:42,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 74 transitions, 1954 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-04-29 04:07:42,950 INFO L241 Difference]: Finished difference. Result has 187 places, 68 transitions, 1750 flow [2021-04-29 04:07:42,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1824, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1750, PETRI_PLACES=187, PETRI_TRANSITIONS=68} [2021-04-29 04:07:42,950 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 150 predicate places. [2021-04-29 04:07:42,950 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:42,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 68 transitions, 1750 flow [2021-04-29 04:07:42,951 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 68 transitions, 1750 flow [2021-04-29 04:07:42,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 68 transitions, 1750 flow [2021-04-29 04:07:42,976 INFO L129 PetriNetUnfolder]: 0/175 cut-off events. [2021-04-29 04:07:42,976 INFO L130 PetriNetUnfolder]: For 2504/2504 co-relation queries the response was YES. [2021-04-29 04:07:42,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 175 events. 0/175 cut-off events. For 2504/2504 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1297 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-04-29 04:07:42,978 INFO L146 LiptonReduction]: Number of co-enabled transitions 88 [2021-04-29 04:07:42,982 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:42,982 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:42,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-04-29 04:07:42,983 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 68 transitions, 1750 flow [2021-04-29 04:07:42,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:42,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:42,983 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:42,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-04-29 04:07:42,984 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:42,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:42,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1878276478, now seen corresponding path program 101 times [2021-04-29 04:07:42,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:42,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615758252] [2021-04-29 04:07:42,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:42,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:42,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:42,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:43,002 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:43,021 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:43,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:43,038 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:43,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:43,062 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:43,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:43,086 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 04:07:43,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615758252] [2021-04-29 04:07:43,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:43,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:43,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195002205] [2021-04-29 04:07:43,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:43,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:43,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:43,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:43,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:43,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 68 transitions, 1750 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:43,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:43,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:43,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:43,187 INFO L129 PetriNetUnfolder]: 0/174 cut-off events. [2021-04-29 04:07:43,187 INFO L130 PetriNetUnfolder]: For 2528/2528 co-relation queries the response was YES. [2021-04-29 04:07:43,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1228 conditions, 174 events. 0/174 cut-off events. For 2528/2528 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1276 event pairs, 0 based on Foata normal form. 1/175 useless extension candidates. Maximal degree in co-relation 0. Up to 37 conditions per place. [2021-04-29 04:07:43,188 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 32 selfloop transitions, 25 changer transitions 3/70 dead transitions. [2021-04-29 04:07:43,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 70 transitions, 1878 flow [2021-04-29 04:07:43,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:43,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:43,190 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:43,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:43,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:43,191 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:43,191 INFO L185 Difference]: Start difference. First operand has 173 places, 68 transitions, 1750 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:43,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 70 transitions, 1878 flow [2021-04-29 04:07:43,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 70 transitions, 1684 flow, removed 6 selfloop flow, removed 14 redundant places. [2021-04-29 04:07:43,210 INFO L241 Difference]: Finished difference. Result has 166 places, 65 transitions, 1533 flow [2021-04-29 04:07:43,210 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1560, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1533, PETRI_PLACES=166, PETRI_TRANSITIONS=65} [2021-04-29 04:07:43,210 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 129 predicate places. [2021-04-29 04:07:43,210 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:43,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 65 transitions, 1533 flow [2021-04-29 04:07:43,211 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 65 transitions, 1533 flow [2021-04-29 04:07:43,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 65 transitions, 1533 flow [2021-04-29 04:07:43,235 INFO L129 PetriNetUnfolder]: 0/166 cut-off events. [2021-04-29 04:07:43,235 INFO L130 PetriNetUnfolder]: For 1705/1705 co-relation queries the response was YES. [2021-04-29 04:07:43,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 166 events. 0/166 cut-off events. For 1705/1705 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1193 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-04-29 04:07:43,237 INFO L146 LiptonReduction]: Number of co-enabled transitions 84 [2021-04-29 04:07:43,241 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:43,241 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:43,241 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-04-29 04:07:43,241 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 65 transitions, 1533 flow [2021-04-29 04:07:43,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:43,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:43,242 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:43,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-04-29 04:07:43,242 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:43,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:43,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1089042946, now seen corresponding path program 102 times [2021-04-29 04:07:43,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:43,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023333157] [2021-04-29 04:07:43,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:43,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:43,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:43,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:43,270 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:43,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:43,296 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:43,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:43,319 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:43,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:43,341 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 04:07:43,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023333157] [2021-04-29 04:07:43,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:43,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:43,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570830308] [2021-04-29 04:07:43,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:43,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:43,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:43,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:43,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:43,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 65 transitions, 1533 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:43,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:43,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:43,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:43,443 INFO L129 PetriNetUnfolder]: 0/165 cut-off events. [2021-04-29 04:07:43,443 INFO L130 PetriNetUnfolder]: For 1725/1725 co-relation queries the response was YES. [2021-04-29 04:07:43,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 165 events. 0/165 cut-off events. For 1725/1725 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1181 event pairs, 0 based on Foata normal form. 1/166 useless extension candidates. Maximal degree in co-relation 0. Up to 33 conditions per place. [2021-04-29 04:07:43,444 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 29 selfloop transitions, 25 changer transitions 3/67 dead transitions. [2021-04-29 04:07:43,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 67 transitions, 1655 flow [2021-04-29 04:07:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:43,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:43,445 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:43,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:43,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:43,446 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:43,446 INFO L185 Difference]: Start difference. First operand has 164 places, 65 transitions, 1533 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:43,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 67 transitions, 1655 flow [2021-04-29 04:07:43,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 67 transitions, 1604 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:43,461 INFO L241 Difference]: Finished difference. Result has 166 places, 62 transitions, 1458 flow [2021-04-29 04:07:43,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1486, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1458, PETRI_PLACES=166, PETRI_TRANSITIONS=62} [2021-04-29 04:07:43,461 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 129 predicate places. [2021-04-29 04:07:43,461 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:43,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 62 transitions, 1458 flow [2021-04-29 04:07:43,461 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 62 transitions, 1458 flow [2021-04-29 04:07:43,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 62 transitions, 1458 flow [2021-04-29 04:07:43,474 INFO L129 PetriNetUnfolder]: 0/157 cut-off events. [2021-04-29 04:07:43,474 INFO L130 PetriNetUnfolder]: For 1722/1722 co-relation queries the response was YES. [2021-04-29 04:07:43,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 980 conditions, 157 events. 0/157 cut-off events. For 1722/1722 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1106 event pairs, 0 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-04-29 04:07:43,475 INFO L146 LiptonReduction]: Number of co-enabled transitions 78 [2021-04-29 04:07:43,477 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:43,477 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:43,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-04-29 04:07:43,478 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 62 transitions, 1458 flow [2021-04-29 04:07:43,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:43,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:43,478 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:43,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-04-29 04:07:43,478 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:43,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:43,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1343605438, now seen corresponding path program 103 times [2021-04-29 04:07:43,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:43,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123207392] [2021-04-29 04:07:43,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:43,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:43,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:43,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:43,505 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:43,522 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:43,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:43,549 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:43,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123207392] [2021-04-29 04:07:43,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:43,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:43,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379533418] [2021-04-29 04:07:43,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:43,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:43,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:43,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:43,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:43,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 62 transitions, 1458 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:43,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:43,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:43,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:43,661 INFO L129 PetriNetUnfolder]: 0/156 cut-off events. [2021-04-29 04:07:43,661 INFO L130 PetriNetUnfolder]: For 1741/1741 co-relation queries the response was YES. [2021-04-29 04:07:43,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 156 events. 0/156 cut-off events. For 1741/1741 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1083 event pairs, 0 based on Foata normal form. 1/157 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-04-29 04:07:43,662 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 24 changer transitions 2/64 dead transitions. [2021-04-29 04:07:43,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 64 transitions, 1574 flow [2021-04-29 04:07:43,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:43,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:43,663 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:43,663 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:43,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:43,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:43,664 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:43,664 INFO L185 Difference]: Start difference. First operand has 164 places, 62 transitions, 1458 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:43,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 64 transitions, 1574 flow [2021-04-29 04:07:43,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 64 transitions, 1509 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:43,676 INFO L241 Difference]: Finished difference. Result has 165 places, 60 transitions, 1385 flow [2021-04-29 04:07:43,676 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1397, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1385, PETRI_PLACES=165, PETRI_TRANSITIONS=60} [2021-04-29 04:07:43,676 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 128 predicate places. [2021-04-29 04:07:43,676 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:43,676 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 60 transitions, 1385 flow [2021-04-29 04:07:43,676 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 60 transitions, 1385 flow [2021-04-29 04:07:43,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 60 transitions, 1385 flow [2021-04-29 04:07:43,688 INFO L129 PetriNetUnfolder]: 0/150 cut-off events. [2021-04-29 04:07:43,688 INFO L130 PetriNetUnfolder]: For 1653/1653 co-relation queries the response was YES. [2021-04-29 04:07:43,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 150 events. 0/150 cut-off events. For 1653/1653 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1032 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 0. Up to 18 conditions per place. [2021-04-29 04:07:43,689 INFO L146 LiptonReduction]: Number of co-enabled transitions 74 [2021-04-29 04:07:43,691 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:43,691 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:43,691 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 04:07:43,691 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 60 transitions, 1385 flow [2021-04-29 04:07:43,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:43,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:43,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:43,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-04-29 04:07:43,692 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:43,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:43,692 INFO L82 PathProgramCache]: Analyzing trace with hash -818622994, now seen corresponding path program 104 times [2021-04-29 04:07:43,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:43,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38487516] [2021-04-29 04:07:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:43,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:43,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:43,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:43,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:43,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:43,733 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:43,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:43,756 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:43,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:43,778 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 04:07:43,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38487516] [2021-04-29 04:07:43,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:43,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:43,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555848622] [2021-04-29 04:07:43,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:43,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:43,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:43,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:43,780 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:43,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 60 transitions, 1385 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:43,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:43,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:43,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:43,880 INFO L129 PetriNetUnfolder]: 0/149 cut-off events. [2021-04-29 04:07:43,880 INFO L130 PetriNetUnfolder]: For 1671/1671 co-relation queries the response was YES. [2021-04-29 04:07:43,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 149 events. 0/149 cut-off events. For 1671/1671 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1013 event pairs, 0 based on Foata normal form. 1/150 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-04-29 04:07:43,881 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 27 selfloop transitions, 22 changer transitions 3/62 dead transitions. [2021-04-29 04:07:43,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 62 transitions, 1497 flow [2021-04-29 04:07:43,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:43,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:43,882 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:43,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:43,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:43,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:43,883 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:43,883 INFO L185 Difference]: Start difference. First operand has 163 places, 60 transitions, 1385 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:43,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 62 transitions, 1497 flow [2021-04-29 04:07:43,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 62 transitions, 1435 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:43,892 INFO L241 Difference]: Finished difference. Result has 164 places, 57 transitions, 1286 flow [2021-04-29 04:07:43,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1327, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1286, PETRI_PLACES=164, PETRI_TRANSITIONS=57} [2021-04-29 04:07:43,893 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 127 predicate places. [2021-04-29 04:07:43,893 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:43,893 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 57 transitions, 1286 flow [2021-04-29 04:07:43,893 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 57 transitions, 1286 flow [2021-04-29 04:07:43,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 57 transitions, 1286 flow [2021-04-29 04:07:43,907 INFO L129 PetriNetUnfolder]: 0/142 cut-off events. [2021-04-29 04:07:43,907 INFO L130 PetriNetUnfolder]: For 1525/1525 co-relation queries the response was YES. [2021-04-29 04:07:43,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 866 conditions, 142 events. 0/142 cut-off events. For 1525/1525 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 937 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-04-29 04:07:43,908 INFO L146 LiptonReduction]: Number of co-enabled transitions 66 [2021-04-29 04:07:43,910 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:43,910 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:43,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-29 04:07:43,911 INFO L480 AbstractCegarLoop]: Abstraction has has 162 places, 57 transitions, 1286 flow [2021-04-29 04:07:43,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:43,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:43,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:43,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-04-29 04:07:43,911 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:43,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:43,912 INFO L82 PathProgramCache]: Analyzing trace with hash -2054953756, now seen corresponding path program 105 times [2021-04-29 04:07:43,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:43,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297802100] [2021-04-29 04:07:43,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:43,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:43,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:43,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:43,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:43,939 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:43,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:43,958 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:43,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:43,992 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:43,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:44,018 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 04:07:44,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297802100] [2021-04-29 04:07:44,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:44,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:44,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585189010] [2021-04-29 04:07:44,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:44,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:44,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:44,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:44,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:44,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 57 transitions, 1286 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:44,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:44,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:44,091 INFO L129 PetriNetUnfolder]: 0/141 cut-off events. [2021-04-29 04:07:44,091 INFO L130 PetriNetUnfolder]: For 1542/1542 co-relation queries the response was YES. [2021-04-29 04:07:44,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 141 events. 0/141 cut-off events. For 1542/1542 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 919 event pairs, 0 based on Foata normal form. 1/142 useless extension candidates. Maximal degree in co-relation 0. Up to 28 conditions per place. [2021-04-29 04:07:44,092 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 25 selfloop transitions, 22 changer transitions 2/59 dead transitions. [2021-04-29 04:07:44,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 59 transitions, 1392 flow [2021-04-29 04:07:44,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:44,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:44,095 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:44,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:44,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,096 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,096 INFO L185 Difference]: Start difference. First operand has 162 places, 57 transitions, 1286 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:44,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 59 transitions, 1392 flow [2021-04-29 04:07:44,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 59 transitions, 1348 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:44,106 INFO L241 Difference]: Finished difference. Result has 164 places, 55 transitions, 1233 flow [2021-04-29 04:07:44,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1246, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1233, PETRI_PLACES=164, PETRI_TRANSITIONS=55} [2021-04-29 04:07:44,106 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 127 predicate places. [2021-04-29 04:07:44,106 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:44,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 55 transitions, 1233 flow [2021-04-29 04:07:44,106 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 55 transitions, 1233 flow [2021-04-29 04:07:44,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 55 transitions, 1233 flow [2021-04-29 04:07:44,117 INFO L129 PetriNetUnfolder]: 0/134 cut-off events. [2021-04-29 04:07:44,117 INFO L130 PetriNetUnfolder]: For 1519/1519 co-relation queries the response was YES. [2021-04-29 04:07:44,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 134 events. 0/134 cut-off events. For 1519/1519 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 864 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2021-04-29 04:07:44,118 INFO L146 LiptonReduction]: Number of co-enabled transitions 66 [2021-04-29 04:07:44,119 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:44,120 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:44,120 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-04-29 04:07:44,120 INFO L480 AbstractCegarLoop]: Abstraction has has 162 places, 55 transitions, 1233 flow [2021-04-29 04:07:44,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:44,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:44,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-04-29 04:07:44,120 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:44,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:44,121 INFO L82 PathProgramCache]: Analyzing trace with hash 2000371202, now seen corresponding path program 106 times [2021-04-29 04:07:44,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:44,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565537075] [2021-04-29 04:07:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:44,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:44,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:44,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:44,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:44,162 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:44,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:44,186 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:44,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:44,209 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 04:07:44,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565537075] [2021-04-29 04:07:44,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:44,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:44,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397195736] [2021-04-29 04:07:44,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:44,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:44,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:44,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:44,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:44,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 55 transitions, 1233 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:44,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:44,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:44,298 INFO L129 PetriNetUnfolder]: 0/133 cut-off events. [2021-04-29 04:07:44,298 INFO L130 PetriNetUnfolder]: For 1535/1535 co-relation queries the response was YES. [2021-04-29 04:07:44,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 878 conditions, 133 events. 0/133 cut-off events. For 1535/1535 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 850 event pairs, 0 based on Foata normal form. 1/134 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2021-04-29 04:07:44,299 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 25 selfloop transitions, 20 changer transitions 2/57 dead transitions. [2021-04-29 04:07:44,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 57 transitions, 1335 flow [2021-04-29 04:07:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:44,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:44,301 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:44,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:44,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,302 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,303 INFO L185 Difference]: Start difference. First operand has 162 places, 55 transitions, 1233 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:44,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 57 transitions, 1335 flow [2021-04-29 04:07:44,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 57 transitions, 1278 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:44,317 INFO L241 Difference]: Finished difference. Result has 163 places, 53 transitions, 1159 flow [2021-04-29 04:07:44,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1159, PETRI_PLACES=163, PETRI_TRANSITIONS=53} [2021-04-29 04:07:44,317 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 126 predicate places. [2021-04-29 04:07:44,317 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:44,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 53 transitions, 1159 flow [2021-04-29 04:07:44,317 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 53 transitions, 1159 flow [2021-04-29 04:07:44,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 53 transitions, 1159 flow [2021-04-29 04:07:44,334 INFO L129 PetriNetUnfolder]: 0/127 cut-off events. [2021-04-29 04:07:44,334 INFO L130 PetriNetUnfolder]: For 1429/1429 co-relation queries the response was YES. [2021-04-29 04:07:44,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 127 events. 0/127 cut-off events. For 1429/1429 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 800 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-04-29 04:07:44,336 INFO L146 LiptonReduction]: Number of co-enabled transitions 62 [2021-04-29 04:07:44,338 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:44,338 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:44,339 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-04-29 04:07:44,339 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 53 transitions, 1159 flow [2021-04-29 04:07:44,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:44,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:44,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-04-29 04:07:44,340 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:44,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1166928160, now seen corresponding path program 107 times [2021-04-29 04:07:44,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:44,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885125676] [2021-04-29 04:07:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:44,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:44,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:44,358 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:44,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:44,369 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:44,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:44,389 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:44,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:44,414 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:44,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:44,439 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 04:07:44,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885125676] [2021-04-29 04:07:44,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:44,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:44,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041001390] [2021-04-29 04:07:44,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:44,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:44,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:44,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:44,441 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:44,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 53 transitions, 1159 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:44,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:44,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:44,509 INFO L129 PetriNetUnfolder]: 0/126 cut-off events. [2021-04-29 04:07:44,509 INFO L130 PetriNetUnfolder]: For 1444/1444 co-relation queries the response was YES. [2021-04-29 04:07:44,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 826 conditions, 126 events. 0/126 cut-off events. For 1444/1444 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 781 event pairs, 0 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place. [2021-04-29 04:07:44,510 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 24 selfloop transitions, 19 changer transitions 2/55 dead transitions. [2021-04-29 04:07:44,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 55 transitions, 1257 flow [2021-04-29 04:07:44,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:44,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:44,511 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:44,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:44,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,513 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,513 INFO L185 Difference]: Start difference. First operand has 161 places, 53 transitions, 1159 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:44,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 55 transitions, 1257 flow [2021-04-29 04:07:44,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 55 transitions, 1208 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-04-29 04:07:44,528 INFO L241 Difference]: Finished difference. Result has 163 places, 51 transitions, 1096 flow [2021-04-29 04:07:44,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1096, PETRI_PLACES=163, PETRI_TRANSITIONS=51} [2021-04-29 04:07:44,528 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 126 predicate places. [2021-04-29 04:07:44,528 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:44,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 51 transitions, 1096 flow [2021-04-29 04:07:44,529 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 51 transitions, 1096 flow [2021-04-29 04:07:44,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 51 transitions, 1096 flow [2021-04-29 04:07:44,549 INFO L129 PetriNetUnfolder]: 0/119 cut-off events. [2021-04-29 04:07:44,550 INFO L130 PetriNetUnfolder]: For 1398/1398 co-relation queries the response was YES. [2021-04-29 04:07:44,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 119 events. 0/119 cut-off events. For 1398/1398 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 738 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2021-04-29 04:07:44,551 INFO L146 LiptonReduction]: Number of co-enabled transitions 62 [2021-04-29 04:07:44,554 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:44,554 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:44,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-04-29 04:07:44,554 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 51 transitions, 1096 flow [2021-04-29 04:07:44,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:44,555 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:44,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-04-29 04:07:44,555 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:44,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:44,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1145064548, now seen corresponding path program 108 times [2021-04-29 04:07:44,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:44,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625975157] [2021-04-29 04:07:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:44,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:44,598 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:44,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:44,620 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:44,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:44,648 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 04:07:44,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625975157] [2021-04-29 04:07:44,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:44,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:44,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336311267] [2021-04-29 04:07:44,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:44,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:44,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:44,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:44,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:44,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 51 transitions, 1096 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:44,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:44,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:44,735 INFO L129 PetriNetUnfolder]: 0/118 cut-off events. [2021-04-29 04:07:44,735 INFO L130 PetriNetUnfolder]: For 1412/1412 co-relation queries the response was YES. [2021-04-29 04:07:44,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 118 events. 0/118 cut-off events. For 1412/1412 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 712 event pairs, 0 based on Foata normal form. 1/119 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2021-04-29 04:07:44,735 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 21 selfloop transitions, 19 changer transitions 3/53 dead transitions. [2021-04-29 04:07:44,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 53 transitions, 1190 flow [2021-04-29 04:07:44,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-04-29 04:07:44,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-04-29 04:07:44,736 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-04-29 04:07:44,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-04-29 04:07:44,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:44,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-04-29 04:07:44,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 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 04:07:44,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,737 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,737 INFO L185 Difference]: Start difference. First operand has 158 places, 51 transitions, 1096 flow. Second operand 7 states and 301 transitions. [2021-04-29 04:07:44,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 53 transitions, 1190 flow [2021-04-29 04:07:44,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 53 transitions, 1121 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-04-29 04:07:44,745 INFO L241 Difference]: Finished difference. Result has 158 places, 48 transitions, 995 flow [2021-04-29 04:07:44,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=995, PETRI_PLACES=158, PETRI_TRANSITIONS=48} [2021-04-29 04:07:44,745 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 121 predicate places. [2021-04-29 04:07:44,745 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:44,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 48 transitions, 995 flow [2021-04-29 04:07:44,745 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 48 transitions, 995 flow [2021-04-29 04:07:44,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 48 transitions, 995 flow [2021-04-29 04:07:44,754 INFO L129 PetriNetUnfolder]: 0/110 cut-off events. [2021-04-29 04:07:44,754 INFO L130 PetriNetUnfolder]: For 1254/1254 co-relation queries the response was YES. [2021-04-29 04:07:44,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 110 events. 0/110 cut-off events. For 1254/1254 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 651 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2021-04-29 04:07:44,755 INFO L146 LiptonReduction]: Number of co-enabled transitions 54 [2021-04-29 04:07:44,757 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:44,757 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:44,757 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-04-29 04:07:44,758 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 48 transitions, 995 flow [2021-04-29 04:07:44,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:44,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:44,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-04-29 04:07:44,758 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:44,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:44,758 INFO L82 PathProgramCache]: Analyzing trace with hash 510966206, now seen corresponding path program 109 times [2021-04-29 04:07:44,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:44,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263223039] [2021-04-29 04:07:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:44,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:44,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:44,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:44,784 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:44,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:44,804 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:44,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:44,833 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:44,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:44,862 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 04:07:44,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263223039] [2021-04-29 04:07:44,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:44,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:44,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561542783] [2021-04-29 04:07:44,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:44,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:44,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:44,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:44,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:44,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 48 transitions, 995 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:44,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:44,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:44,956 INFO L129 PetriNetUnfolder]: 0/109 cut-off events. [2021-04-29 04:07:44,956 INFO L130 PetriNetUnfolder]: For 1267/1267 co-relation queries the response was YES. [2021-04-29 04:07:44,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 109 events. 0/109 cut-off events. For 1267/1267 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 625 event pairs, 0 based on Foata normal form. 1/110 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place. [2021-04-29 04:07:44,957 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 20 selfloop transitions, 16 changer transitions 4/50 dead transitions. [2021-04-29 04:07:44,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 50 transitions, 1083 flow [2021-04-29 04:07:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:44,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:44,958 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:44,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:44,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:44,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,959 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:44,959 INFO L185 Difference]: Start difference. First operand has 153 places, 48 transitions, 995 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:44,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 50 transitions, 1083 flow [2021-04-29 04:07:44,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 50 transitions, 1005 flow, removed 5 selfloop flow, removed 9 redundant places. [2021-04-29 04:07:44,966 INFO L241 Difference]: Finished difference. Result has 151 places, 44 transitions, 871 flow [2021-04-29 04:07:44,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=871, PETRI_PLACES=151, PETRI_TRANSITIONS=44} [2021-04-29 04:07:44,966 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 114 predicate places. [2021-04-29 04:07:44,966 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:44,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 44 transitions, 871 flow [2021-04-29 04:07:44,967 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 44 transitions, 871 flow [2021-04-29 04:07:44,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 44 transitions, 871 flow [2021-04-29 04:07:44,975 INFO L129 PetriNetUnfolder]: 0/100 cut-off events. [2021-04-29 04:07:44,975 INFO L130 PetriNetUnfolder]: For 1086/1086 co-relation queries the response was YES. [2021-04-29 04:07:44,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 100 events. 0/100 cut-off events. For 1086/1086 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 547 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-04-29 04:07:44,975 INFO L146 LiptonReduction]: Number of co-enabled transitions 52 [2021-04-29 04:07:44,977 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:44,977 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:44,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-04-29 04:07:44,977 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 44 transitions, 871 flow [2021-04-29 04:07:44,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:44,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:44,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:44,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-04-29 04:07:44,978 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:44,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:44,978 INFO L82 PathProgramCache]: Analyzing trace with hash -562119174, now seen corresponding path program 110 times [2021-04-29 04:07:44,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:44,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976954243] [2021-04-29 04:07:44,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:44,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:44,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:44,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:45,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:45,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:45,014 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:07:45,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:07:45,036 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:45,064 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:45,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:45,092 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 04:07:45,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976954243] [2021-04-29 04:07:45,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:45,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:45,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009892976] [2021-04-29 04:07:45,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:45,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:45,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:45,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:45,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:45,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 44 transitions, 871 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:45,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:45,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:45,179 INFO L129 PetriNetUnfolder]: 0/99 cut-off events. [2021-04-29 04:07:45,179 INFO L130 PetriNetUnfolder]: For 1098/1098 co-relation queries the response was YES. [2021-04-29 04:07:45,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 99 events. 0/99 cut-off events. For 1098/1098 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 543 event pairs, 0 based on Foata normal form. 1/100 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-04-29 04:07:45,179 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 16 selfloop transitions, 17 changer transitions 3/46 dead transitions. [2021-04-29 04:07:45,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 46 transitions, 951 flow [2021-04-29 04:07:45,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-04-29 04:07:45,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-04-29 04:07:45,180 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-04-29 04:07:45,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-04-29 04:07:45,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:45,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-04-29 04:07:45,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 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 04:07:45,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,182 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,182 INFO L185 Difference]: Start difference. First operand has 149 places, 44 transitions, 871 flow. Second operand 7 states and 301 transitions. [2021-04-29 04:07:45,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 46 transitions, 951 flow [2021-04-29 04:07:45,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 46 transitions, 895 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-04-29 04:07:45,189 INFO L241 Difference]: Finished difference. Result has 149 places, 41 transitions, 788 flow [2021-04-29 04:07:45,189 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=788, PETRI_PLACES=149, PETRI_TRANSITIONS=41} [2021-04-29 04:07:45,189 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 112 predicate places. [2021-04-29 04:07:45,189 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:45,189 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 41 transitions, 788 flow [2021-04-29 04:07:45,189 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 41 transitions, 788 flow [2021-04-29 04:07:45,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 41 transitions, 788 flow [2021-04-29 04:07:45,196 INFO L129 PetriNetUnfolder]: 0/91 cut-off events. [2021-04-29 04:07:45,196 INFO L130 PetriNetUnfolder]: For 1003/1003 co-relation queries the response was YES. [2021-04-29 04:07:45,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 91 events. 0/91 cut-off events. For 1003/1003 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 478 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2021-04-29 04:07:45,197 INFO L146 LiptonReduction]: Number of co-enabled transitions 50 [2021-04-29 04:07:45,198 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:45,198 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:45,198 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-04-29 04:07:45,199 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 41 transitions, 788 flow [2021-04-29 04:07:45,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,199 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:45,199 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:45,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-04-29 04:07:45,199 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:45,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:45,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1037889978, now seen corresponding path program 111 times [2021-04-29 04:07:45,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:45,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583928112] [2021-04-29 04:07:45,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:45,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:45,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:45,216 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:45,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:45,228 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:45,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:45,244 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:45,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:45,267 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:45,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:45,291 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 04:07:45,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583928112] [2021-04-29 04:07:45,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:45,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:45,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106677685] [2021-04-29 04:07:45,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:45,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:45,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:45,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:45,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:45,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 41 transitions, 788 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:45,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:45,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:45,376 INFO L129 PetriNetUnfolder]: 0/90 cut-off events. [2021-04-29 04:07:45,376 INFO L130 PetriNetUnfolder]: For 1014/1014 co-relation queries the response was YES. [2021-04-29 04:07:45,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 90 events. 0/90 cut-off events. For 1014/1014 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 471 event pairs, 0 based on Foata normal form. 1/91 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2021-04-29 04:07:45,377 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 19 selfloop transitions, 12 changer transitions 2/43 dead transitions. [2021-04-29 04:07:45,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 43 transitions, 862 flow [2021-04-29 04:07:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:45,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:45,378 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:45,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:45,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:45,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:45,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:45,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,380 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,380 INFO L185 Difference]: Start difference. First operand has 139 places, 41 transitions, 788 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:45,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 43 transitions, 862 flow [2021-04-29 04:07:45,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 43 transitions, 758 flow, removed 5 selfloop flow, removed 11 redundant places. [2021-04-29 04:07:45,388 INFO L241 Difference]: Finished difference. Result has 135 places, 39 transitions, 663 flow [2021-04-29 04:07:45,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=663, PETRI_PLACES=135, PETRI_TRANSITIONS=39} [2021-04-29 04:07:45,389 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 98 predicate places. [2021-04-29 04:07:45,389 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:45,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 39 transitions, 663 flow [2021-04-29 04:07:45,389 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 39 transitions, 663 flow [2021-04-29 04:07:45,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 39 transitions, 663 flow [2021-04-29 04:07:45,399 INFO L129 PetriNetUnfolder]: 0/83 cut-off events. [2021-04-29 04:07:45,399 INFO L130 PetriNetUnfolder]: For 732/732 co-relation queries the response was YES. [2021-04-29 04:07:45,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 83 events. 0/83 cut-off events. For 732/732 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 413 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-04-29 04:07:45,400 INFO L146 LiptonReduction]: Number of co-enabled transitions 46 [2021-04-29 04:07:45,402 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:45,402 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:45,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-04-29 04:07:45,403 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 39 transitions, 663 flow [2021-04-29 04:07:45,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:45,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:45,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-04-29 04:07:45,403 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:45,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:45,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1454209594, now seen corresponding path program 112 times [2021-04-29 04:07:45,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:45,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645623229] [2021-04-29 04:07:45,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:45,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:45,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:45,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:45,432 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:45,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:45,449 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:45,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:45,475 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:45,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:45,497 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 04:07:45,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645623229] [2021-04-29 04:07:45,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:45,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:45,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033207218] [2021-04-29 04:07:45,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:45,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:45,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:45,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:45,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:45,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 39 transitions, 663 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:45,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:45,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:45,579 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-04-29 04:07:45,580 INFO L130 PetriNetUnfolder]: For 742/742 co-relation queries the response was YES. [2021-04-29 04:07:45,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 82 events. 0/82 cut-off events. For 742/742 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 400 event pairs, 0 based on Foata normal form. 1/83 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-04-29 04:07:45,580 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 18 selfloop transitions, 10 changer transitions 3/41 dead transitions. [2021-04-29 04:07:45,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 41 transitions, 733 flow [2021-04-29 04:07:45,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-04-29 04:07:45,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-04-29 04:07:45,582 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-04-29 04:07:45,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-04-29 04:07:45,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:45,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-04-29 04:07:45,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 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 04:07:45,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,583 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,583 INFO L185 Difference]: Start difference. First operand has 133 places, 39 transitions, 663 flow. Second operand 7 states and 301 transitions. [2021-04-29 04:07:45,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 41 transitions, 733 flow [2021-04-29 04:07:45,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 41 transitions, 692 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-04-29 04:07:45,590 INFO L241 Difference]: Finished difference. Result has 133 places, 36 transitions, 581 flow [2021-04-29 04:07:45,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=581, PETRI_PLACES=133, PETRI_TRANSITIONS=36} [2021-04-29 04:07:45,590 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 96 predicate places. [2021-04-29 04:07:45,590 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:45,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 36 transitions, 581 flow [2021-04-29 04:07:45,591 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 36 transitions, 581 flow [2021-04-29 04:07:45,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 36 transitions, 581 flow [2021-04-29 04:07:45,599 INFO L129 PetriNetUnfolder]: 0/75 cut-off events. [2021-04-29 04:07:45,600 INFO L130 PetriNetUnfolder]: For 604/604 co-relation queries the response was YES. [2021-04-29 04:07:45,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 75 events. 0/75 cut-off events. For 604/604 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 340 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-04-29 04:07:45,600 INFO L146 LiptonReduction]: Number of co-enabled transitions 36 [2021-04-29 04:07:45,602 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:45,602 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:45,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-04-29 04:07:45,602 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 36 transitions, 581 flow [2021-04-29 04:07:45,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:45,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:45,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-04-29 04:07:45,603 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:45,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:45,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1911630658, now seen corresponding path program 113 times [2021-04-29 04:07:45,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:45,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993834548] [2021-04-29 04:07:45,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:45,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:45,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:45,620 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:45,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:45,632 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:45,648 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:45,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:45,671 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:45,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:45,691 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 04:07:45,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993834548] [2021-04-29 04:07:45,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:45,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:45,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494809967] [2021-04-29 04:07:45,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:45,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:45,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:45,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:45,693 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:45,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 36 transitions, 581 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:45,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:45,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:45,751 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2021-04-29 04:07:45,751 INFO L130 PetriNetUnfolder]: For 613/613 co-relation queries the response was YES. [2021-04-29 04:07:45,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 74 events. 0/74 cut-off events. For 613/613 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 332 event pairs, 0 based on Foata normal form. 1/75 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-04-29 04:07:45,751 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 15 selfloop transitions, 8 changer transitions 4/37 dead transitions. [2021-04-29 04:07:45,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 37 transitions, 639 flow [2021-04-29 04:07:45,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 300 transitions. [2021-04-29 04:07:45,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8086253369272237 [2021-04-29 04:07:45,752 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 300 transitions. [2021-04-29 04:07:45,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 300 transitions. [2021-04-29 04:07:45,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:45,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 300 transitions. [2021-04-29 04:07:45,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.857142857142854) internal successors, (300), 7 states have internal predecessors, (300), 0 states have call successors, (0), 0 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 04:07:45,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,753 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,753 INFO L185 Difference]: Start difference. First operand has 128 places, 36 transitions, 581 flow. Second operand 7 states and 300 transitions. [2021-04-29 04:07:45,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 37 transitions, 639 flow [2021-04-29 04:07:45,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 37 transitions, 588 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-04-29 04:07:45,757 INFO L241 Difference]: Finished difference. Result has 125 places, 32 transitions, 478 flow [2021-04-29 04:07:45,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=478, PETRI_PLACES=125, PETRI_TRANSITIONS=32} [2021-04-29 04:07:45,757 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 88 predicate places. [2021-04-29 04:07:45,757 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:45,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 32 transitions, 478 flow [2021-04-29 04:07:45,757 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 32 transitions, 478 flow [2021-04-29 04:07:45,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 32 transitions, 478 flow [2021-04-29 04:07:45,762 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-29 04:07:45,762 INFO L130 PetriNetUnfolder]: For 454/454 co-relation queries the response was YES. [2021-04-29 04:07:45,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 65 events. 0/65 cut-off events. For 454/454 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 270 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-04-29 04:07:45,762 INFO L146 LiptonReduction]: Number of co-enabled transitions 36 [2021-04-29 04:07:45,763 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:45,763 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:45,763 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-04-29 04:07:45,764 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 32 transitions, 478 flow [2021-04-29 04:07:45,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:45,764 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:45,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-04-29 04:07:45,764 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:45,764 INFO L82 PathProgramCache]: Analyzing trace with hash -573050980, now seen corresponding path program 114 times [2021-04-29 04:07:45,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:45,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886673511] [2021-04-29 04:07:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:45,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:45,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:45,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:45,791 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:45,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:45,809 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:45,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:45,832 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:45,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:45,854 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 04:07:45,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886673511] [2021-04-29 04:07:45,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:45,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:45,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4528459] [2021-04-29 04:07:45,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:45,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:45,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:45,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:45,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:45,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 32 transitions, 478 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:45,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:45,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:45,929 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-29 04:07:45,929 INFO L130 PetriNetUnfolder]: For 462/462 co-relation queries the response was YES. [2021-04-29 04:07:45,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 64 events. 0/64 cut-off events. For 462/462 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 253 event pairs, 0 based on Foata normal form. 1/65 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-04-29 04:07:45,930 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 11 selfloop transitions, 11 changer transitions 2/34 dead transitions. [2021-04-29 04:07:45,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 34 transitions, 534 flow [2021-04-29 04:07:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:45,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-04-29 04:07:45,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-04-29 04:07:45,931 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-04-29 04:07:45,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-04-29 04:07:45,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:45,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-04-29 04:07:45,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.142857142857146) internal successors, (302), 7 states have internal predecessors, (302), 0 states have call successors, (0), 0 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 04:07:45,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,932 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:45,933 INFO L185 Difference]: Start difference. First operand has 117 places, 32 transitions, 478 flow. Second operand 7 states and 302 transitions. [2021-04-29 04:07:45,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 34 transitions, 534 flow [2021-04-29 04:07:45,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 34 transitions, 481 flow, removed 3 selfloop flow, removed 8 redundant places. [2021-04-29 04:07:45,937 INFO L241 Difference]: Finished difference. Result has 116 places, 30 transitions, 407 flow [2021-04-29 04:07:45,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=407, PETRI_PLACES=116, PETRI_TRANSITIONS=30} [2021-04-29 04:07:45,938 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 79 predicate places. [2021-04-29 04:07:45,938 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:45,938 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 30 transitions, 407 flow [2021-04-29 04:07:45,938 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 30 transitions, 407 flow [2021-04-29 04:07:45,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 30 transitions, 407 flow [2021-04-29 04:07:45,945 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-29 04:07:45,945 INFO L130 PetriNetUnfolder]: For 326/326 co-relation queries the response was YES. [2021-04-29 04:07:45,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 57 events. 0/57 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 212 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-04-29 04:07:45,946 INFO L146 LiptonReduction]: Number of co-enabled transitions 32 [2021-04-29 04:07:45,947 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:45,947 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:45,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-04-29 04:07:45,947 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 30 transitions, 407 flow [2021-04-29 04:07:45,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:45,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:45,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:45,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-04-29 04:07:45,948 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:45,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:45,948 INFO L82 PathProgramCache]: Analyzing trace with hash -145799558, now seen corresponding path program 115 times [2021-04-29 04:07:45,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:45,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129783928] [2021-04-29 04:07:45,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:45,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:45,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:45,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:45,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:45,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:45,990 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:45,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:46,012 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:46,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:46,036 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 04:07:46,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129783928] [2021-04-29 04:07:46,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:46,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:46,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957963524] [2021-04-29 04:07:46,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:46,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:46,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:46,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:46,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:46,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 30 transitions, 407 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:46,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:46,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:46,113 INFO L129 PetriNetUnfolder]: 0/56 cut-off events. [2021-04-29 04:07:46,113 INFO L130 PetriNetUnfolder]: For 333/333 co-relation queries the response was YES. [2021-04-29 04:07:46,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 56 events. 0/56 cut-off events. For 333/333 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 209 event pairs, 0 based on Foata normal form. 1/57 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-04-29 04:07:46,113 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 10 selfloop transitions, 10 changer transitions 2/32 dead transitions. [2021-04-29 04:07:46,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 32 transitions, 459 flow [2021-04-29 04:07:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-04-29 04:07:46,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-04-29 04:07:46,115 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-04-29 04:07:46,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-04-29 04:07:46,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:46,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-04-29 04:07:46,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 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 04:07:46,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,116 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,116 INFO L185 Difference]: Start difference. First operand has 111 places, 30 transitions, 407 flow. Second operand 7 states and 301 transitions. [2021-04-29 04:07:46,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 32 transitions, 459 flow [2021-04-29 04:07:46,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 32 transitions, 426 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:46,119 INFO L241 Difference]: Finished difference. Result has 112 places, 28 transitions, 354 flow [2021-04-29 04:07:46,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=354, PETRI_PLACES=112, PETRI_TRANSITIONS=28} [2021-04-29 04:07:46,119 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 75 predicate places. [2021-04-29 04:07:46,119 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:46,120 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 28 transitions, 354 flow [2021-04-29 04:07:46,120 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 28 transitions, 354 flow [2021-04-29 04:07:46,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 28 transitions, 354 flow [2021-04-29 04:07:46,124 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-29 04:07:46,124 INFO L130 PetriNetUnfolder]: For 281/281 co-relation queries the response was YES. [2021-04-29 04:07:46,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 50 events. 0/50 cut-off events. For 281/281 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 165 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-04-29 04:07:46,124 INFO L146 LiptonReduction]: Number of co-enabled transitions 28 [2021-04-29 04:07:46,125 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:46,125 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:46,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-04-29 04:07:46,126 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 28 transitions, 354 flow [2021-04-29 04:07:46,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:46,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:46,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-04-29 04:07:46,126 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:46,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:46,126 INFO L82 PathProgramCache]: Analyzing trace with hash -794259292, now seen corresponding path program 116 times [2021-04-29 04:07:46,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:46,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521583187] [2021-04-29 04:07:46,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:46,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:46,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:46,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:46,156 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:46,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:46,172 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:46,193 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:46,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:46,222 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 04:07:46,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521583187] [2021-04-29 04:07:46,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:46,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:46,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666809784] [2021-04-29 04:07:46,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:46,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:46,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:46,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:46,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:46,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 28 transitions, 354 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:46,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:46,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:46,310 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-29 04:07:46,310 INFO L130 PetriNetUnfolder]: For 287/287 co-relation queries the response was YES. [2021-04-29 04:07:46,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 49 events. 0/49 cut-off events. For 287/287 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 154 event pairs, 0 based on Foata normal form. 1/50 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-04-29 04:07:46,311 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 11 selfloop transitions, 7 changer transitions 2/30 dead transitions. [2021-04-29 04:07:46,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 30 transitions, 402 flow [2021-04-29 04:07:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-04-29 04:07:46,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-04-29 04:07:46,312 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-04-29 04:07:46,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-04-29 04:07:46,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:46,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-04-29 04:07:46,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 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 04:07:46,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,314 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,314 INFO L185 Difference]: Start difference. First operand has 101 places, 28 transitions, 354 flow. Second operand 7 states and 301 transitions. [2021-04-29 04:07:46,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 30 transitions, 402 flow [2021-04-29 04:07:46,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 30 transitions, 337 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-04-29 04:07:46,316 INFO L241 Difference]: Finished difference. Result has 95 places, 26 transitions, 270 flow [2021-04-29 04:07:46,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=270, PETRI_PLACES=95, PETRI_TRANSITIONS=26} [2021-04-29 04:07:46,317 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 58 predicate places. [2021-04-29 04:07:46,317 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:46,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 26 transitions, 270 flow [2021-04-29 04:07:46,317 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 26 transitions, 270 flow [2021-04-29 04:07:46,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 26 transitions, 270 flow [2021-04-29 04:07:46,320 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-04-29 04:07:46,320 INFO L130 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2021-04-29 04:07:46,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 44 events. 0/44 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-29 04:07:46,321 INFO L146 LiptonReduction]: Number of co-enabled transitions 18 [2021-04-29 04:07:46,321 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:46,322 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:46,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-04-29 04:07:46,322 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 26 transitions, 270 flow [2021-04-29 04:07:46,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:46,322 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:46,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-04-29 04:07:46,322 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:46,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:46,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1001106212, now seen corresponding path program 117 times [2021-04-29 04:07:46,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:46,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90213361] [2021-04-29 04:07:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:46,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:46,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:46,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:46,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:07:46,363 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:46,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:46,385 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:46,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:46,412 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 04:07:46,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90213361] [2021-04-29 04:07:46,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:46,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:46,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716819790] [2021-04-29 04:07:46,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:46,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:46,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:46,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:46,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:46,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 26 transitions, 270 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:46,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:46,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:46,496 INFO L129 PetriNetUnfolder]: 0/43 cut-off events. [2021-04-29 04:07:46,496 INFO L130 PetriNetUnfolder]: For 149/149 co-relation queries the response was YES. [2021-04-29 04:07:46,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 43 events. 0/43 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 111 event pairs, 0 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-04-29 04:07:46,497 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 8 selfloop transitions, 5 changer transitions 4/27 dead transitions. [2021-04-29 04:07:46,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 27 transitions, 308 flow [2021-04-29 04:07:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 299 transitions. [2021-04-29 04:07:46,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8059299191374663 [2021-04-29 04:07:46,498 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 299 transitions. [2021-04-29 04:07:46,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 299 transitions. [2021-04-29 04:07:46,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:46,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 299 transitions. [2021-04-29 04:07:46,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.714285714285715) internal successors, (299), 7 states have internal predecessors, (299), 0 states have call successors, (0), 0 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 04:07:46,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,499 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,499 INFO L185 Difference]: Start difference. First operand has 93 places, 26 transitions, 270 flow. Second operand 7 states and 299 transitions. [2021-04-29 04:07:46,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 27 transitions, 308 flow [2021-04-29 04:07:46,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 27 transitions, 285 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:46,501 INFO L241 Difference]: Finished difference. Result has 94 places, 22 transitions, 204 flow [2021-04-29 04:07:46,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=204, PETRI_PLACES=94, PETRI_TRANSITIONS=22} [2021-04-29 04:07:46,501 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 57 predicate places. [2021-04-29 04:07:46,501 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:46,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 22 transitions, 204 flow [2021-04-29 04:07:46,502 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 22 transitions, 204 flow [2021-04-29 04:07:46,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 22 transitions, 204 flow [2021-04-29 04:07:46,504 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-04-29 04:07:46,505 INFO L130 PetriNetUnfolder]: For 115/115 co-relation queries the response was YES. [2021-04-29 04:07:46,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 34 events. 0/34 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-29 04:07:46,505 INFO L146 LiptonReduction]: Number of co-enabled transitions 8 [2021-04-29 04:07:46,505 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:46,505 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:46,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-04-29 04:07:46,506 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 22 transitions, 204 flow [2021-04-29 04:07:46,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:46,506 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:46,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-04-29 04:07:46,506 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:46,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:46,506 INFO L82 PathProgramCache]: Analyzing trace with hash 300689700, now seen corresponding path program 118 times [2021-04-29 04:07:46,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:46,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704852965] [2021-04-29 04:07:46,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:46,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:46,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:46,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:46,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:46,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:46,549 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:46,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:46,572 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:46,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:46,593 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 04:07:46,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704852965] [2021-04-29 04:07:46,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:46,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:46,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668561262] [2021-04-29 04:07:46,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:46,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:46,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:46,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:46,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:46,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 22 transitions, 204 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:46,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:46,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:46,638 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-29 04:07:46,638 INFO L130 PetriNetUnfolder]: For 119/119 co-relation queries the response was YES. [2021-04-29 04:07:46,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 33 events. 0/33 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-29 04:07:46,639 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 5 selfloop transitions, 5 changer transitions 3/23 dead transitions. [2021-04-29 04:07:46,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 23 transitions, 234 flow [2021-04-29 04:07:46,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 298 transitions. [2021-04-29 04:07:46,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8032345013477089 [2021-04-29 04:07:46,640 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 298 transitions. [2021-04-29 04:07:46,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 298 transitions. [2021-04-29 04:07:46,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:46,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 298 transitions. [2021-04-29 04:07:46,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.57142857142857) internal successors, (298), 7 states have internal predecessors, (298), 0 states have call successors, (0), 0 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 04:07:46,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,641 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,641 INFO L185 Difference]: Start difference. First operand has 79 places, 22 transitions, 204 flow. Second operand 7 states and 298 transitions. [2021-04-29 04:07:46,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 23 transitions, 234 flow [2021-04-29 04:07:46,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 23 transitions, 180 flow, removed 5 selfloop flow, removed 15 redundant places. [2021-04-29 04:07:46,642 INFO L241 Difference]: Finished difference. Result has 71 places, 19 transitions, 125 flow [2021-04-29 04:07:46,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=125, PETRI_PLACES=71, PETRI_TRANSITIONS=19} [2021-04-29 04:07:46,642 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 34 predicate places. [2021-04-29 04:07:46,642 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:46,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 19 transitions, 125 flow [2021-04-29 04:07:46,642 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 19 transitions, 125 flow [2021-04-29 04:07:46,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 19 transitions, 125 flow [2021-04-29 04:07:46,644 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-04-29 04:07:46,644 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-04-29 04:07:46,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 25 events. 0/25 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 04:07:46,645 INFO L146 LiptonReduction]: Number of co-enabled transitions 8 [2021-04-29 04:07:46,645 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:46,645 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:46,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-04-29 04:07:46,645 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 19 transitions, 125 flow [2021-04-29 04:07:46,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:46,646 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:46,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-04-29 04:07:46,646 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:46,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:46,646 INFO L82 PathProgramCache]: Analyzing trace with hash 916354016, now seen corresponding path program 119 times [2021-04-29 04:07:46,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:46,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730898616] [2021-04-29 04:07:46,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:46,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:46,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:46,675 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:46,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:46,691 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:46,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:46,714 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:46,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:46,737 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 04:07:46,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730898616] [2021-04-29 04:07:46,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:46,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:46,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993319146] [2021-04-29 04:07:46,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:46,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:46,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:46,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:46,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:46,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 19 transitions, 125 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:46,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:46,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:46,797 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-04-29 04:07:46,797 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2021-04-29 04:07:46,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 24 events. 0/24 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 1/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 04:07:46,798 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 3 selfloop transitions, 3 changer transitions 3/19 dead transitions. [2021-04-29 04:07:46,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 19 transitions, 143 flow [2021-04-29 04:07:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 296 transitions. [2021-04-29 04:07:46,799 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7978436657681941 [2021-04-29 04:07:46,799 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 296 transitions. [2021-04-29 04:07:46,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 296 transitions. [2021-04-29 04:07:46,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:46,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 296 transitions. [2021-04-29 04:07:46,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:46,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,800 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,801 INFO L185 Difference]: Start difference. First operand has 66 places, 19 transitions, 125 flow. Second operand 7 states and 296 transitions. [2021-04-29 04:07:46,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 19 transitions, 143 flow [2021-04-29 04:07:46,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 19 transitions, 125 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 04:07:46,802 INFO L241 Difference]: Finished difference. Result has 67 places, 16 transitions, 78 flow [2021-04-29 04:07:46,802 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=78, PETRI_PLACES=67, PETRI_TRANSITIONS=16} [2021-04-29 04:07:46,802 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 30 predicate places. [2021-04-29 04:07:46,802 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:46,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 16 transitions, 78 flow [2021-04-29 04:07:46,803 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 16 transitions, 78 flow [2021-04-29 04:07:46,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 16 transitions, 78 flow [2021-04-29 04:07:46,805 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-04-29 04:07:46,805 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-04-29 04:07:46,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 16 events. 0/16 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 04:07:46,806 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 04:07:46,806 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:46,806 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:46,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4 [2021-04-29 04:07:46,807 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 16 transitions, 78 flow [2021-04-29 04:07:46,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:46,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:07:46,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-04-29 04:07:46,807 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:46,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1188715296, now seen corresponding path program 120 times [2021-04-29 04:07:46,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:46,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7149368] [2021-04-29 04:07:46,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:46,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:46,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:46,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:46,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:46,837 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:07:46,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:07:46,865 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:07:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:07:46,889 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-04-29 04:07:46,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:07:46,912 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 04:07:46,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7149368] [2021-04-29 04:07:46,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:46,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 04:07:46,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426198740] [2021-04-29 04:07:46,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:07:46,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:46,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:07:46,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:07:46,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-04-29 04:07:46,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 16 transitions, 78 flow. Second operand has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:46,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-04-29 04:07:46,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:46,947 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-04-29 04:07:46,947 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-04-29 04:07:46,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 15 events. 0/15 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 04:07:46,947 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2021-04-29 04:07:46,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 15 transitions, 84 flow [2021-04-29 04:07:46,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:07:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:07:46,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 293 transitions. [2021-04-29 04:07:46,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7897574123989218 [2021-04-29 04:07:46,948 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 293 transitions. [2021-04-29 04:07:46,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 293 transitions. [2021-04-29 04:07:46,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:46,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 293 transitions. [2021-04-29 04:07:46,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,950 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 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 04:07:46,950 INFO L185 Difference]: Start difference. First operand has 50 places, 16 transitions, 78 flow. Second operand 7 states and 293 transitions. [2021-04-29 04:07:46,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 15 transitions, 84 flow [2021-04-29 04:07:46,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 15 transitions, 60 flow, removed 2 selfloop flow, removed 12 redundant places. [2021-04-29 04:07:46,951 INFO L241 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2021-04-29 04:07:46,951 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2021-04-29 04:07:46,951 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 6 predicate places. [2021-04-29 04:07:46,951 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:46,951 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 0 transitions, 0 flow [2021-04-29 04:07:46,951 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 0 transitions, 0 flow [2021-04-29 04:07:46,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 04:07:46,952 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 04:07:46,952 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:46,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-29 04:07:46,952 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 04:07:46,952 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:46,952 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:46,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-04-29 04:07:46,953 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 04:07:46,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 04:07:46,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-04-29 04:07:46,957 INFO L202 PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 04:07:46 BasicIcfg [2021-04-29 04:07:46,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 04:07:46,958 INFO L168 Benchmark]: Toolchain (without parser) took 48266.85 ms. Allocated memory was 316.7 MB in the beginning and 551.6 MB in the end (delta: 234.9 MB). Free memory was 285.7 MB in the beginning and 380.4 MB in the end (delta: -94.7 MB). Peak memory consumption was 139.5 MB. Max. memory is 16.0 GB. [2021-04-29 04:07:46,958 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.71 ms. Allocated memory is still 316.7 MB. Free memory is still 286.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:07:46,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.40 ms. Allocated memory is still 316.7 MB. Free memory was 300.2 MB in the beginning and 298.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 04:07:46,959 INFO L168 Benchmark]: Boogie Preprocessor took 16.79 ms. Allocated memory is still 316.7 MB. Free memory was 298.6 MB in the beginning and 297.8 MB in the end (delta: 836.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:07:46,959 INFO L168 Benchmark]: RCFGBuilder took 352.13 ms. Allocated memory is still 316.7 MB. Free memory was 297.7 MB in the beginning and 294.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-04-29 04:07:46,959 INFO L168 Benchmark]: TraceAbstraction took 47811.78 ms. Allocated memory was 316.7 MB in the beginning and 551.6 MB in the end (delta: 234.9 MB). Free memory was 293.8 MB in the beginning and 380.4 MB in the end (delta: -86.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 16.0 GB. [2021-04-29 04:07:46,959 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 0.71 ms. Allocated memory is still 316.7 MB. Free memory is still 286.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.40 ms. Allocated memory is still 316.7 MB. Free memory was 300.2 MB in the beginning and 298.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.79 ms. Allocated memory is still 316.7 MB. Free memory was 298.6 MB in the beginning and 297.8 MB in the end (delta: 836.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 352.13 ms. Allocated memory is still 316.7 MB. Free memory was 297.7 MB in the beginning and 294.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 47811.78 ms. Allocated memory was 316.7 MB in the beginning and 551.6 MB in the end (delta: 234.9 MB). Free memory was 293.8 MB in the beginning and 380.4 MB in the end (delta: -86.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.5ms, 37 PlacesBefore, 37 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 440 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 130 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 130, positive: 130, positive conditional: 130, 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: 130, positive: 130, positive conditional: 0, positive unconditional: 130, 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: 130, positive: 130, positive conditional: 0, positive unconditional: 130, 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: 130, positive: 130, positive conditional: 0, positive unconditional: 130, 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: 130, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 130, unknown conditional: 130, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.6ms, 29 PlacesBefore, 29 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 408 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.4ms, 30 PlacesBefore, 30 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 272 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.4ms, 31 PlacesBefore, 29 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 196 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0ms, 30 PlacesBefore, 27 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 60 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.3ms, 37 PlacesBefore, 36 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 72 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.8ms, 45 PlacesBefore, 44 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 88 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.0ms, 53 PlacesBefore, 52 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 114 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.6ms, 60 PlacesBefore, 59 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 160 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.8ms, 68 PlacesBefore, 67 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 186 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.0ms, 76 PlacesBefore, 75 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 210 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.1ms, 82 PlacesBefore, 81 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 236 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97.8ms, 89 PlacesBefore, 88 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 230 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 126.6ms, 94 PlacesBefore, 93 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 236 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.6ms, 99 PlacesBefore, 98 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 256 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.0ms, 105 PlacesBefore, 104 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 290 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.0ms, 109 PlacesBefore, 107 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 286 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.1ms, 112 PlacesBefore, 111 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 292 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.9ms, 115 PlacesBefore, 113 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 286 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.2ms, 115 PlacesBefore, 114 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 286 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 99.3ms, 120 PlacesBefore, 119 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 322 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 94.1ms, 123 PlacesBefore, 122 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 314 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.2ms, 126 PlacesBefore, 125 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 310 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84.1ms, 131 PlacesBefore, 130 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 320 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.6ms, 136 PlacesBefore, 135 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 326 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.8ms, 138 PlacesBefore, 137 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 330 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.2ms, 143 PlacesBefore, 142 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 336 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.1ms, 144 PlacesBefore, 142 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 318 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.0ms, 139 PlacesBefore, 138 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 306 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.0ms, 141 PlacesBefore, 139 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 304 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.6ms, 144 PlacesBefore, 143 PlacesAfterwards, 100 TransitionsBefore, 100 TransitionsAfterwards, 324 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.5ms, 146 PlacesBefore, 145 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 314 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.2ms, 149 PlacesBefore, 148 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 312 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.1ms, 150 PlacesBefore, 149 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 300 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.4ms, 152 PlacesBefore, 150 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 304 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.1ms, 155 PlacesBefore, 153 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 288 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.4ms, 159 PlacesBefore, 158 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 320 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.2ms, 164 PlacesBefore, 163 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 360 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 99.1ms, 171 PlacesBefore, 170 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 392 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.3ms, 172 PlacesBefore, 170 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 376 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.5ms, 175 PlacesBefore, 173 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 370 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.3ms, 175 PlacesBefore, 173 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 352 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.6ms, 177 PlacesBefore, 176 PlacesAfterwards, 113 TransitionsBefore, 113 TransitionsAfterwards, 342 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.5ms, 183 PlacesBefore, 182 PlacesAfterwards, 118 TransitionsBefore, 118 TransitionsAfterwards, 350 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.2ms, 186 PlacesBefore, 184 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 330 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.5ms, 190 PlacesBefore, 189 PlacesAfterwards, 125 TransitionsBefore, 125 TransitionsAfterwards, 338 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.1ms, 196 PlacesBefore, 195 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 336 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.9ms, 199 PlacesBefore, 197 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 334 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.0ms, 200 PlacesBefore, 198 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 330 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.9ms, 204 PlacesBefore, 203 PlacesAfterwards, 141 TransitionsBefore, 141 TransitionsAfterwards, 366 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.1ms, 210 PlacesBefore, 209 PlacesAfterwards, 151 TransitionsBefore, 151 TransitionsAfterwards, 370 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 110.7ms, 215 PlacesBefore, 214 PlacesAfterwards, 149 TransitionsBefore, 149 TransitionsAfterwards, 364 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.4ms, 220 PlacesBefore, 219 PlacesAfterwards, 149 TransitionsBefore, 149 TransitionsAfterwards, 364 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.0ms, 223 PlacesBefore, 221 PlacesAfterwards, 147 TransitionsBefore, 147 TransitionsAfterwards, 364 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.6ms, 224 PlacesBefore, 222 PlacesAfterwards, 147 TransitionsBefore, 147 TransitionsAfterwards, 366 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.7ms, 224 PlacesBefore, 222 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 352 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.4ms, 225 PlacesBefore, 224 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 358 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 192.1ms, 229 PlacesBefore, 228 PlacesAfterwards, 148 TransitionsBefore, 148 TransitionsAfterwards, 360 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 119.2ms, 232 PlacesBefore, 230 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 350 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.9ms, 233 PlacesBefore, 232 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 346 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.7ms, 236 PlacesBefore, 233 PlacesAfterwards, 141 TransitionsBefore, 141 TransitionsAfterwards, 340 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.1ms, 239 PlacesBefore, 238 PlacesAfterwards, 151 TransitionsBefore, 151 TransitionsAfterwards, 354 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.3ms, 244 PlacesBefore, 243 PlacesAfterwards, 155 TransitionsBefore, 155 TransitionsAfterwards, 354 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.5ms, 249 PlacesBefore, 248 PlacesAfterwards, 153 TransitionsBefore, 153 TransitionsAfterwards, 354 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.6ms, 251 PlacesBefore, 249 PlacesAfterwards, 151 TransitionsBefore, 151 TransitionsAfterwards, 348 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.8ms, 251 PlacesBefore, 249 PlacesAfterwards, 149 TransitionsBefore, 149 TransitionsAfterwards, 336 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.3ms, 251 PlacesBefore, 249 PlacesAfterwards, 146 TransitionsBefore, 146 TransitionsAfterwards, 318 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 90.9ms, 250 PlacesBefore, 248 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 298 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.2ms, 250 PlacesBefore, 248 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 292 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.7ms, 253 PlacesBefore, 248 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 280 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.7ms, 250 PlacesBefore, 248 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 278 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 117.0ms, 251 PlacesBefore, 250 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 268 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.9ms, 254 PlacesBefore, 249 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 264 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.8ms, 249 PlacesBefore, 244 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 258 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.7ms, 245 PlacesBefore, 242 PlacesAfterwards, 127 TransitionsBefore, 127 TransitionsAfterwards, 246 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.6ms, 244 PlacesBefore, 239 PlacesAfterwards, 123 TransitionsBefore, 123 TransitionsAfterwards, 234 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.4ms, 240 PlacesBefore, 235 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 226 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.1ms, 241 PlacesBefore, 240 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 244 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.2ms, 246 PlacesBefore, 245 PlacesAfterwards, 130 TransitionsBefore, 130 TransitionsAfterwards, 238 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.4ms, 250 PlacesBefore, 249 PlacesAfterwards, 130 TransitionsBefore, 130 TransitionsAfterwards, 240 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.3ms, 252 PlacesBefore, 249 PlacesAfterwards, 127 TransitionsBefore, 127 TransitionsAfterwards, 240 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.0ms, 251 PlacesBefore, 249 PlacesAfterwards, 125 TransitionsBefore, 125 TransitionsAfterwards, 238 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.7ms, 252 PlacesBefore, 250 PlacesAfterwards, 125 TransitionsBefore, 125 TransitionsAfterwards, 234 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.8ms, 253 PlacesBefore, 248 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 222 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.3ms, 247 PlacesBefore, 245 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 220 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.6ms, 246 PlacesBefore, 244 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 212 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.0ms, 246 PlacesBefore, 244 PlacesAfterwards, 112 TransitionsBefore, 112 TransitionsAfterwards, 196 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.7ms, 245 PlacesBefore, 243 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 184 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.0ms, 245 PlacesBefore, 243 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 178 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.2ms, 245 PlacesBefore, 243 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 174 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.5ms, 243 PlacesBefore, 241 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 174 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.8ms, 242 PlacesBefore, 240 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 160 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.6ms, 246 PlacesBefore, 245 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 164 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.3ms, 250 PlacesBefore, 249 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 164 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.4ms, 253 PlacesBefore, 252 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 160 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.6ms, 255 PlacesBefore, 247 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 160 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.0ms, 246 PlacesBefore, 245 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 154 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.8ms, 246 PlacesBefore, 235 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 140 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.0ms, 231 PlacesBefore, 228 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 136 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.1ms, 230 PlacesBefore, 225 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 136 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.0ms, 225 PlacesBefore, 220 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 132 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.8ms, 220 PlacesBefore, 212 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 116 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.1ms, 207 PlacesBefore, 198 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 104 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.2ms, 192 PlacesBefore, 188 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 98 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.6ms, 187 PlacesBefore, 173 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 88 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.0ms, 166 PlacesBefore, 164 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 84 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.1ms, 166 PlacesBefore, 164 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 78 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.9ms, 165 PlacesBefore, 163 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 74 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.1ms, 164 PlacesBefore, 162 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 66 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.4ms, 164 PlacesBefore, 162 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 66 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.0ms, 163 PlacesBefore, 161 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 62 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.9ms, 163 PlacesBefore, 158 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 62 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7ms, 158 PlacesBefore, 153 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 54 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1ms, 151 PlacesBefore, 149 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 52 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.0ms, 149 PlacesBefore, 139 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 50 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.2ms, 135 PlacesBefore, 133 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 46 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.1ms, 133 PlacesBefore, 128 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 36 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.2ms, 125 PlacesBefore, 117 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 36 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.7ms, 116 PlacesBefore, 111 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 32 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3ms, 112 PlacesBefore, 101 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 28 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.6ms, 95 PlacesBefore, 93 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 18 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8ms, 94 PlacesBefore, 79 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 8 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7ms, 71 PlacesBefore, 66 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 8 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8ms, 67 PlacesBefore, 50 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 0 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9ms, 43 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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): 130, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 50.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 47505.5ms, OverallIterations: 124, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 24950.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 465.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1437 SDtfs, 2049 SDslu, 1129 SDs, 0 SdLazy, 2602 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2625.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 852 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 724 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 14251.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5296occurred in iteration=63, InterpolantAutomatonStates: 852, 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: 69.3ms SsaConstructionTime, 191.6ms SatisfiabilityAnalysisTime, 13072.6ms InterpolantComputationTime, 1984 NumberOfCodeBlocks, 1984 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 34581 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 124 InterpolantComputations, 124 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...