/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 13:36:38,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 13:36:38,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 13:36:38,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 13:36:38,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 13:36:38,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 13:36:38,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 13:36:38,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 13:36:38,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 13:36:38,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 13:36:38,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 13:36:38,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 13:36:38,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 13:36:38,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 13:36:38,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 13:36:38,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 13:36:38,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 13:36:38,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 13:36:38,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 13:36:38,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 13:36:38,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 13:36:38,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 13:36:38,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 13:36:38,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 13:36:38,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 13:36:38,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 13:36:38,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 13:36:38,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 13:36:38,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 13:36:38,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 13:36:38,333 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 13:36:38,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 13:36:38,333 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 13:36:38,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 13:36:38,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 13:36:38,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 13:36:38,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 13:36:38,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 13:36:38,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 13:36:38,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 13:36:38,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 13:36:38,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 13:36:38,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 13:36:38,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 13:36:38,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 13:36:38,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 13:36:38,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 13:36:38,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 13:36:38,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 13:36:38,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 13:36:38,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 13:36:38,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 13:36:38,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 13:36:38,337 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 13:36:38,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 13:36:38,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 13:36:38,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 13:36:38,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 13:36:38,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 13:36:38,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 13:36:38,580 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 13:36:38,581 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 13:36:38,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl [2021-03-26 13:36:38,581 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl' [2021-03-26 13:36:38,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 13:36:38,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 13:36:38,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 13:36:38,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 13:36:38,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 13:36:38,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 13:36:38,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 13:36:38,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 13:36:38,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 13:36:38,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/1) ... [2021-03-26 13:36:38,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 13:36:38,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 13:36:38,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 13:36:38,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 13:36:38,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (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 [2021-03-26 13:36:38,676 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 13:36:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 13:36:38,678 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 13:36:38,678 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 13:36:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 13:36:38,678 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 13:36:38,678 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 13:36:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 13:36:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 13:36:38,679 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 13:36:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 13:36:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 13:36:38,679 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 13:36:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 13:36:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 13:36:38,680 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 13:36:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 13:36:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 13:36:38,681 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 13:36:38,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 13:36:38,809 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 13:36:38,810 INFO L202 PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:36:38 BoogieIcfgContainer [2021-03-26 13:36:38,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 13:36:38,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 13:36:38,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 13:36:38,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 13:36:38,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:38" (1/2) ... [2021-03-26 13:36:38,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b010d9c and model type example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:36:38, skipping insertion in model container [2021-03-26 13:36:38,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:36:38" (2/2) ... [2021-03-26 13:36:38,816 INFO L111 eAbstractionObserver]: Analyzing ICFG example_5.bpl [2021-03-26 13:36:38,822 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 13:36:38,824 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 13:36:38,824 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 13:36:38,933 INFO L149 ThreadInstanceAdder]: Constructed 25 joinOtherThreadTransitions. [2021-03-26 13:36:38,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 13:36:38,970 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 13:36:38,970 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 13:36:38,970 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 13:36:38,970 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 13:36:38,970 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 13:36:38,970 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 13:36:38,970 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 13:36:38,970 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 13:36:38,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 48 transitions, 196 flow [2021-03-26 13:36:39,025 INFO L129 PetriNetUnfolder]: 49/98 cut-off events. [2021-03-26 13:36:39,025 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-03-26 13:36:39,029 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. [2021-03-26 13:36:39,030 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 48 transitions, 196 flow [2021-03-26 13:36:39,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 41 transitions, 172 flow [2021-03-26 13:36:39,036 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:39,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 41 transitions, 172 flow [2021-03-26 13:36:39,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 41 transitions, 172 flow [2021-03-26 13:36:39,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 41 transitions, 172 flow [2021-03-26 13:36:39,079 INFO L129 PetriNetUnfolder]: 49/96 cut-off events. [2021-03-26 13:36:39,079 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-03-26 13:36:39,080 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. [2021-03-26 13:36:39,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 440 [2021-03-26 13:36:39,153 INFO L154 LiptonReduction]: Checked pairs total: 130 [2021-03-26 13:36:39,153 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 13:36:39,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-03-26 13:36:39,185 INFO L129 PetriNetUnfolder]: 49/90 cut-off events. [2021-03-26 13:36:39,185 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-03-26 13:36:39,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:39,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:39,186 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:39,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:39,189 INFO L82 PathProgramCache]: Analyzing trace with hash 558068446, now seen corresponding path program 1 times [2021-03-26 13:36:39,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:39,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566069679] [2021-03-26 13:36:39,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:39,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:36:39,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:39,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566069679] [2021-03-26 13:36:39,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:39,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:36:39,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852406423] [2021-03-26 13:36:39,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:36:39,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:39,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:36:39,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:36:39,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-03-26 13:36:39,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 36 transitions, 162 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) [2021-03-26 13:36:39,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:39,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-03-26 13:36:39,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:39,329 INFO L129 PetriNetUnfolder]: 33/70 cut-off events. [2021-03-26 13:36:39,329 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2021-03-26 13:36:39,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 70 events. 33/70 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 173 event pairs, 0 based on Foata normal form. 5/75 useless extension candidates. Maximal degree in co-relation 75. Up to 20 conditions per place. [2021-03-26 13:36:39,331 INFO L132 encePairwiseOnDemand]: 50/53 looper letters, 3 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2021-03-26 13:36:39,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 34 transitions, 160 flow [2021-03-26 13:36:39,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:36:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:36:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2021-03-26 13:36:39,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9245283018867925 [2021-03-26 13:36:39,340 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 147 transitions. [2021-03-26 13:36:39,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 147 transitions. [2021-03-26 13:36:39,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:39,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 147 transitions. [2021-03-26 13:36:39,347 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) [2021-03-26 13:36:39,350 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) [2021-03-26 13:36:39,350 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) [2021-03-26 13:36:39,351 INFO L185 Difference]: Start difference. First operand has 32 places, 36 transitions, 162 flow. Second operand 3 states and 147 transitions. [2021-03-26 13:36:39,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 34 transitions, 160 flow [2021-03-26 13:36:39,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 34 transitions, 104 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-03-26 13:36:39,356 INFO L241 Difference]: Finished difference. Result has 24 places, 34 transitions, 98 flow [2021-03-26 13:36:39,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=24, PETRI_TRANSITIONS=34} [2021-03-26 13:36:39,358 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -8 predicate places. [2021-03-26 13:36:39,358 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:39,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 34 transitions, 98 flow [2021-03-26 13:36:39,358 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 34 transitions, 98 flow [2021-03-26 13:36:39,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 34 transitions, 98 flow [2021-03-26 13:36:39,369 INFO L129 PetriNetUnfolder]: 33/70 cut-off events. [2021-03-26 13:36:39,369 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:39,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 70 events. 33/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 167 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 69. Up to 20 conditions per place. [2021-03-26 13:36:39,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 13:36:39,372 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:39,372 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:39,372 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 13:36:39,374 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 34 transitions, 98 flow [2021-03-26 13:36:39,374 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) [2021-03-26 13:36:39,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:39,374 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:39,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 13:36:39,375 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:39,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:39,376 INFO L82 PathProgramCache]: Analyzing trace with hash 168192128, now seen corresponding path program 1 times [2021-03-26 13:36:39,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:39,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951394067] [2021-03-26 13:36:39,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:39,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:36:39,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:39,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951394067] [2021-03-26 13:36:39,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:39,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:36:39,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141617275] [2021-03-26 13:36:39,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:36:39,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:39,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:36:39,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:36:39,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-03-26 13:36:39,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 34 transitions, 98 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) [2021-03-26 13:36:39,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:39,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-03-26 13:36:39,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:39,429 INFO L129 PetriNetUnfolder]: 8/31 cut-off events. [2021-03-26 13:36:39,430 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 13:36:39,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 31 events. 8/31 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 11/42 useless extension candidates. Maximal degree in co-relation 32. Up to 6 conditions per place. [2021-03-26 13:36:39,431 INFO L132 encePairwiseOnDemand]: 48/53 looper letters, 1 selfloop transitions, 1 changer transitions 0/26 dead transitions. [2021-03-26 13:36:39,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 26 transitions, 78 flow [2021-03-26 13:36:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:36:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:36:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2021-03-26 13:36:39,434 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9245283018867925 [2021-03-26 13:36:39,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 147 transitions. [2021-03-26 13:36:39,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 147 transitions. [2021-03-26 13:36:39,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:39,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 147 transitions. [2021-03-26 13:36:39,436 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) [2021-03-26 13:36:39,437 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) [2021-03-26 13:36:39,437 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) [2021-03-26 13:36:39,437 INFO L185 Difference]: Start difference. First operand has 24 places, 34 transitions, 98 flow. Second operand 3 states and 147 transitions. [2021-03-26 13:36:39,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 26 transitions, 78 flow [2021-03-26 13:36:39,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 26 transitions, 77 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:39,438 INFO L241 Difference]: Finished difference. Result has 25 places, 26 transitions, 75 flow [2021-03-26 13:36:39,438 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=25, PETRI_TRANSITIONS=26} [2021-03-26 13:36:39,439 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -7 predicate places. [2021-03-26 13:36:39,439 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:39,439 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 26 transitions, 75 flow [2021-03-26 13:36:39,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 26 transitions, 75 flow [2021-03-26 13:36:39,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 26 transitions, 75 flow [2021-03-26 13:36:39,448 INFO L129 PetriNetUnfolder]: 8/31 cut-off events. [2021-03-26 13:36:39,448 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:39,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 8/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 31. Up to 6 conditions per place. [2021-03-26 13:36:39,449 INFO L142 LiptonReduction]: Number of co-enabled transitions 116 [2021-03-26 13:36:39,450 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:39,450 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:39,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 13:36:39,451 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 26 transitions, 75 flow [2021-03-26 13:36:39,451 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) [2021-03-26 13:36:39,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:39,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:39,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 13:36:39,452 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:39,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1394564792, now seen corresponding path program 1 times [2021-03-26 13:36:39,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:39,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240848351] [2021-03-26 13:36:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:39,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:36:39,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:39,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240848351] [2021-03-26 13:36:39,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:39,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:36:39,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361924046] [2021-03-26 13:36:39,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:36:39,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:39,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:36:39,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:36:39,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-03-26 13:36:39,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 26 transitions, 75 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) [2021-03-26 13:36:39,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:39,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-03-26 13:36:39,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:39,500 INFO L129 PetriNetUnfolder]: 6/28 cut-off events. [2021-03-26 13:36:39,500 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 13:36:39,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 6/28 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 32. Up to 6 conditions per place. [2021-03-26 13:36:39,501 INFO L132 encePairwiseOnDemand]: 51/53 looper letters, 3 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-26 13:36:39,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 25 transitions, 80 flow [2021-03-26 13:36:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:36:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:36:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2021-03-26 13:36:39,502 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2021-03-26 13:36:39,502 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 146 transitions. [2021-03-26 13:36:39,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 146 transitions. [2021-03-26 13:36:39,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:39,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 146 transitions. [2021-03-26 13:36:39,503 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) [2021-03-26 13:36:39,504 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) [2021-03-26 13:36:39,504 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) [2021-03-26 13:36:39,504 INFO L185 Difference]: Start difference. First operand has 25 places, 26 transitions, 75 flow. Second operand 3 states and 146 transitions. [2021-03-26 13:36:39,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 25 transitions, 80 flow [2021-03-26 13:36:39,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 25 transitions, 79 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:39,505 INFO L241 Difference]: Finished difference. Result has 26 places, 25 transitions, 73 flow [2021-03-26 13:36:39,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=73, PETRI_PLACES=26, PETRI_TRANSITIONS=25} [2021-03-26 13:36:39,506 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -6 predicate places. [2021-03-26 13:36:39,506 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:39,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 25 transitions, 73 flow [2021-03-26 13:36:39,506 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 25 transitions, 73 flow [2021-03-26 13:36:39,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 25 transitions, 73 flow [2021-03-26 13:36:39,509 INFO L129 PetriNetUnfolder]: 6/28 cut-off events. [2021-03-26 13:36:39,509 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:39,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 28 events. 6/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 31. Up to 6 conditions per place. [2021-03-26 13:36:39,509 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-26 13:36:39,511 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:39,511 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:39,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 13:36:39,512 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 25 transitions, 73 flow [2021-03-26 13:36:39,513 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) [2021-03-26 13:36:39,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:39,513 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:39,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 13:36:39,513 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:39,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:39,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1076427874, now seen corresponding path program 1 times [2021-03-26 13:36:39,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:39,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986123694] [2021-03-26 13:36:39,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:39,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:36:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:39,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986123694] [2021-03-26 13:36:39,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:39,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:36:39,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544945003] [2021-03-26 13:36:39,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:36:39,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:39,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:36:39,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:36:39,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 53 [2021-03-26 13:36:39,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 25 transitions, 73 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) [2021-03-26 13:36:39,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:39,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 53 [2021-03-26 13:36:39,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:39,553 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 13:36:39,554 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 13:36:39,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 16 events. 0/16 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 7 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. [2021-03-26 13:36:39,554 INFO L132 encePairwiseOnDemand]: 49/53 looper letters, 1 selfloop transitions, 1 changer transitions 0/16 dead transitions. [2021-03-26 13:36:39,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 16 transitions, 50 flow [2021-03-26 13:36:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:36:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:36:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2021-03-26 13:36:39,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9182389937106918 [2021-03-26 13:36:39,555 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 146 transitions. [2021-03-26 13:36:39,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 146 transitions. [2021-03-26 13:36:39,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:39,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 146 transitions. [2021-03-26 13:36:39,556 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) [2021-03-26 13:36:39,557 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) [2021-03-26 13:36:39,557 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) [2021-03-26 13:36:39,557 INFO L185 Difference]: Start difference. First operand has 26 places, 25 transitions, 73 flow. Second operand 3 states and 146 transitions. [2021-03-26 13:36:39,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 16 transitions, 50 flow [2021-03-26 13:36:39,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 16 transitions, 49 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:39,558 INFO L241 Difference]: Finished difference. Result has 27 places, 16 transitions, 47 flow [2021-03-26 13:36:39,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=45, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=27, PETRI_TRANSITIONS=16} [2021-03-26 13:36:39,558 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -5 predicate places. [2021-03-26 13:36:39,558 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:39,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 16 transitions, 47 flow [2021-03-26 13:36:39,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 16 transitions, 47 flow [2021-03-26 13:36:39,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 16 transitions, 47 flow [2021-03-26 13:36:39,560 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 13:36:39,560 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:39,560 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 2. Compared 5 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. [2021-03-26 13:36:39,560 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-26 13:36:39,560 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:39,561 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:39,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-03-26 13:36:39,561 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 16 transitions, 47 flow [2021-03-26 13:36:39,561 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) [2021-03-26 13:36:39,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:39,562 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:39,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 13:36:39,562 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:39,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:39,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1201939170, now seen corresponding path program 1 times [2021-03-26 13:36:39,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:39,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503465985] [2021-03-26 13:36:39,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:39,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:39,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:39,627 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:39,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:39,641 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:39,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:39,661 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:39,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:39,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503465985] [2021-03-26 13:36:39,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:39,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:39,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094195324] [2021-03-26 13:36:39,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:39,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:39,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:39,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:39,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:39,680 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) [2021-03-26 13:36:39,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:39,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:39,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:39,751 INFO L129 PetriNetUnfolder]: 51/136 cut-off events. [2021-03-26 13:36:39,751 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:39,753 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 552 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. [2021-03-26 13:36:39,753 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 14 selfloop transitions, 4 changer transitions 1/29 dead transitions. [2021-03-26 13:36:39,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 111 flow [2021-03-26 13:36:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:39,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:39,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:39,768 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:39,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:39,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:39,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:39,769 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) [2021-03-26 13:36:39,770 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) [2021-03-26 13:36:39,770 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) [2021-03-26 13:36:39,770 INFO L185 Difference]: Start difference. First operand has 27 places, 16 transitions, 47 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:39,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 111 flow [2021-03-26 13:36:39,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 29 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:39,771 INFO L241 Difference]: Finished difference. Result has 37 places, 19 transitions, 77 flow [2021-03-26 13:36:39,771 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} [2021-03-26 13:36:39,771 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 5 predicate places. [2021-03-26 13:36:39,771 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:39,772 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 19 transitions, 77 flow [2021-03-26 13:36:39,772 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 19 transitions, 77 flow [2021-03-26 13:36:39,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 19 transitions, 77 flow [2021-03-26 13:36:39,774 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 13:36:39,775 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 13:36:39,775 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 5. Compared 97 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. [2021-03-26 13:36:39,775 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-26 13:36:39,777 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:39,777 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:39,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 13:36:39,778 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 19 transitions, 77 flow [2021-03-26 13:36:39,779 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) [2021-03-26 13:36:39,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:39,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:39,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 13:36:39,779 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:39,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:39,780 INFO L82 PathProgramCache]: Analyzing trace with hash -153380320, now seen corresponding path program 2 times [2021-03-26 13:36:39,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:39,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209043450] [2021-03-26 13:36:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:39,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:39,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:39,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:39,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:39,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:39,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:39,874 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:39,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:39,901 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:39,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:39,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209043450] [2021-03-26 13:36:39,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:39,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:39,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944463073] [2021-03-26 13:36:39,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:39,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:39,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:39,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:39,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:39,920 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) [2021-03-26 13:36:39,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:39,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:39,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:39,979 INFO L129 PetriNetUnfolder]: 53/184 cut-off events. [2021-03-26 13:36:39,979 INFO L130 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2021-03-26 13:36:39,980 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 972 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. [2021-03-26 13:36:39,981 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 14 selfloop transitions, 7 changer transitions 1/32 dead transitions. [2021-03-26 13:36:39,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 177 flow [2021-03-26 13:36:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:39,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:39,982 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:39,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:39,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:39,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:39,984 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) [2021-03-26 13:36:39,986 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) [2021-03-26 13:36:39,986 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) [2021-03-26 13:36:39,986 INFO L185 Difference]: Start difference. First operand has 36 places, 19 transitions, 77 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:39,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 177 flow [2021-03-26 13:36:39,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 164 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:39,993 INFO L241 Difference]: Finished difference. Result has 45 places, 22 transitions, 122 flow [2021-03-26 13:36:39,993 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} [2021-03-26 13:36:39,993 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 13 predicate places. [2021-03-26 13:36:39,993 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:39,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 22 transitions, 122 flow [2021-03-26 13:36:39,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 22 transitions, 122 flow [2021-03-26 13:36:39,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 22 transitions, 122 flow [2021-03-26 13:36:40,002 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-03-26 13:36:40,002 INFO L130 PetriNetUnfolder]: For 56/63 co-relation queries the response was YES. [2021-03-26 13:36:40,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 66 events. 0/66 cut-off events. For 56/63 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 292 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-03-26 13:36:40,004 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-26 13:36:40,006 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,006 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 13:36:40,007 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 22 transitions, 122 flow [2021-03-26 13:36:40,008 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) [2021-03-26 13:36:40,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 13:36:40,008 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:40,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1999782006, now seen corresponding path program 3 times [2021-03-26 13:36:40,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674956575] [2021-03-26 13:36:40,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:40,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:40,055 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:40,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:40,066 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:40,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:40,083 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:40,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674956575] [2021-03-26 13:36:40,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:40,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016421661] [2021-03-26 13:36:40,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:40,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:40,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:40,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:40,110 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) [2021-03-26 13:36:40,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:40,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,164 INFO L129 PetriNetUnfolder]: 50/258 cut-off events. [2021-03-26 13:36:40,164 INFO L130 PetriNetUnfolder]: For 502/518 co-relation queries the response was YES. [2021-03-26 13:36:40,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 258 events. 50/258 cut-off events. For 502/518 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1768 event pairs, 15 based on Foata normal form. 1/246 useless extension candidates. Maximal degree in co-relation 743. Up to 67 conditions per place. [2021-03-26 13:36:40,166 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 22 selfloop transitions, 9 changer transitions 3/44 dead transitions. [2021-03-26 13:36:40,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 44 transitions, 346 flow [2021-03-26 13:36:40,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:40,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:40,167 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,168 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) [2021-03-26 13:36:40,168 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) [2021-03-26 13:36:40,168 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) [2021-03-26 13:36:40,169 INFO L185 Difference]: Start difference. First operand has 44 places, 22 transitions, 122 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:40,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 44 transitions, 346 flow [2021-03-26 13:36:40,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 318 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:40,171 INFO L241 Difference]: Finished difference. Result has 53 places, 29 transitions, 218 flow [2021-03-26 13:36:40,171 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} [2021-03-26 13:36:40,171 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 21 predicate places. [2021-03-26 13:36:40,171 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 29 transitions, 218 flow [2021-03-26 13:36:40,172 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 29 transitions, 218 flow [2021-03-26 13:36:40,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 29 transitions, 218 flow [2021-03-26 13:36:40,180 INFO L129 PetriNetUnfolder]: 0/138 cut-off events. [2021-03-26 13:36:40,180 INFO L130 PetriNetUnfolder]: For 219/224 co-relation queries the response was YES. [2021-03-26 13:36:40,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 138 events. 0/138 cut-off events. For 219/224 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 940 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-03-26 13:36:40,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-26 13:36:40,182 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,182 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 13:36:40,183 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 29 transitions, 218 flow [2021-03-26 13:36:40,183 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) [2021-03-26 13:36:40,183 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,183 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,183 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 13:36:40,184 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:40,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,184 INFO L82 PathProgramCache]: Analyzing trace with hash -2138499552, now seen corresponding path program 4 times [2021-03-26 13:36:40,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176472199] [2021-03-26 13:36:40,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:40,214 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:40,221 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:40,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:40,232 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:40,249 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:40,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176472199] [2021-03-26 13:36:40,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:40,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981215815] [2021-03-26 13:36:40,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:40,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:40,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:40,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:40,273 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) [2021-03-26 13:36:40,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:40,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,320 INFO L129 PetriNetUnfolder]: 50/294 cut-off events. [2021-03-26 13:36:40,321 INFO L130 PetriNetUnfolder]: For 838/845 co-relation queries the response was YES. [2021-03-26 13:36:40,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 294 events. 50/294 cut-off events. For 838/845 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2291 event pairs, 15 based on Foata normal form. 1/277 useless extension candidates. Maximal degree in co-relation 928. Up to 78 conditions per place. [2021-03-26 13:36:40,322 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 23 selfloop transitions, 15 changer transitions 1/49 dead transitions. [2021-03-26 13:36:40,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 49 transitions, 459 flow [2021-03-26 13:36:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:40,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:40,323 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,324 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) [2021-03-26 13:36:40,324 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) [2021-03-26 13:36:40,325 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) [2021-03-26 13:36:40,325 INFO L185 Difference]: Start difference. First operand has 52 places, 29 transitions, 218 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:40,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 49 transitions, 459 flow [2021-03-26 13:36:40,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 49 transitions, 435 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:40,328 INFO L241 Difference]: Finished difference. Result has 60 places, 38 transitions, 373 flow [2021-03-26 13:36:40,328 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} [2021-03-26 13:36:40,328 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 28 predicate places. [2021-03-26 13:36:40,328 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 38 transitions, 373 flow [2021-03-26 13:36:40,328 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 38 transitions, 373 flow [2021-03-26 13:36:40,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 38 transitions, 373 flow [2021-03-26 13:36:40,337 INFO L129 PetriNetUnfolder]: 0/169 cut-off events. [2021-03-26 13:36:40,337 INFO L130 PetriNetUnfolder]: For 569/618 co-relation queries the response was YES. [2021-03-26 13:36:40,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 169 events. 0/169 cut-off events. For 569/618 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1264 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2021-03-26 13:36:40,338 INFO L142 LiptonReduction]: Number of co-enabled transitions 154 [2021-03-26 13:36:40,340 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 13:36:40,340 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 38 transitions, 373 flow [2021-03-26 13:36:40,340 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) [2021-03-26 13:36:40,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 13:36:40,341 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:40,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,341 INFO L82 PathProgramCache]: Analyzing trace with hash -46258848, now seen corresponding path program 5 times [2021-03-26 13:36:40,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195812601] [2021-03-26 13:36:40,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:40,385 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:40,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:40,403 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:40,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:40,419 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:40,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195812601] [2021-03-26 13:36:40,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:40,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11644795] [2021-03-26 13:36:40,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:40,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:40,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:40,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:40,436 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) [2021-03-26 13:36:40,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:40,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,502 INFO L129 PetriNetUnfolder]: 47/316 cut-off events. [2021-03-26 13:36:40,502 INFO L130 PetriNetUnfolder]: For 1299/1316 co-relation queries the response was YES. [2021-03-26 13:36:40,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1128 conditions, 316 events. 47/316 cut-off events. For 1299/1316 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2501 event pairs, 20 based on Foata normal form. 1/303 useless extension candidates. Maximal degree in co-relation 1104. Up to 76 conditions per place. [2021-03-26 13:36:40,504 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 22 selfloop transitions, 20 changer transitions 1/53 dead transitions. [2021-03-26 13:36:40,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 53 transitions, 580 flow [2021-03-26 13:36:40,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:40,505 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:40,505 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,506 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) [2021-03-26 13:36:40,506 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) [2021-03-26 13:36:40,506 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) [2021-03-26 13:36:40,507 INFO L185 Difference]: Start difference. First operand has 59 places, 38 transitions, 373 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:40,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 53 transitions, 580 flow [2021-03-26 13:36:40,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 53 transitions, 555 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:40,510 INFO L241 Difference]: Finished difference. Result has 68 places, 42 transitions, 477 flow [2021-03-26 13:36:40,511 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=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=477, PETRI_PLACES=68, PETRI_TRANSITIONS=42} [2021-03-26 13:36:40,511 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 36 predicate places. [2021-03-26 13:36:40,511 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,511 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 42 transitions, 477 flow [2021-03-26 13:36:40,511 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 42 transitions, 477 flow [2021-03-26 13:36:40,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 42 transitions, 477 flow [2021-03-26 13:36:40,523 INFO L129 PetriNetUnfolder]: 0/189 cut-off events. [2021-03-26 13:36:40,523 INFO L130 PetriNetUnfolder]: For 931/1072 co-relation queries the response was YES. [2021-03-26 13:36:40,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 189 events. 0/189 cut-off events. For 931/1072 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1490 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2021-03-26 13:36:40,524 INFO L142 LiptonReduction]: Number of co-enabled transitions 176 [2021-03-26 13:36:40,526 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,526 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-26 13:36:40,527 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 42 transitions, 477 flow [2021-03-26 13:36:40,527 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) [2021-03-26 13:36:40,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,527 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 13:36:40,527 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:40,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,528 INFO L82 PathProgramCache]: Analyzing trace with hash -254727096, now seen corresponding path program 6 times [2021-03-26 13:36:40,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277196062] [2021-03-26 13:36:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:40,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:40,551 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:40,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:40,572 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:40,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:40,586 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:40,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:40,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277196062] [2021-03-26 13:36:40,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:40,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515841164] [2021-03-26 13:36:40,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:40,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:40,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:40,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:40,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 42 transitions, 477 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) [2021-03-26 13:36:40,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:40,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,658 INFO L129 PetriNetUnfolder]: 41/351 cut-off events. [2021-03-26 13:36:40,658 INFO L130 PetriNetUnfolder]: For 1894/1908 co-relation queries the response was YES. [2021-03-26 13:36:40,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1366 conditions, 351 events. 41/351 cut-off events. For 1894/1908 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3021 event pairs, 21 based on Foata normal form. 3/339 useless extension candidates. Maximal degree in co-relation 1338. Up to 74 conditions per place. [2021-03-26 13:36:40,660 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 20 changer transitions 3/61 dead transitions. [2021-03-26 13:36:40,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 61 transitions, 789 flow [2021-03-26 13:36:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:40,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:40,661 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,662 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) [2021-03-26 13:36:40,662 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) [2021-03-26 13:36:40,662 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) [2021-03-26 13:36:40,662 INFO L185 Difference]: Start difference. First operand has 67 places, 42 transitions, 477 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:40,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 61 transitions, 789 flow [2021-03-26 13:36:40,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 745 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:40,668 INFO L241 Difference]: Finished difference. Result has 76 places, 46 transitions, 579 flow [2021-03-26 13:36:40,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=579, PETRI_PLACES=76, PETRI_TRANSITIONS=46} [2021-03-26 13:36:40,668 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 44 predicate places. [2021-03-26 13:36:40,668 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 46 transitions, 579 flow [2021-03-26 13:36:40,668 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 46 transitions, 579 flow [2021-03-26 13:36:40,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 46 transitions, 579 flow [2021-03-26 13:36:40,681 INFO L129 PetriNetUnfolder]: 0/232 cut-off events. [2021-03-26 13:36:40,682 INFO L130 PetriNetUnfolder]: For 1475/1619 co-relation queries the response was YES. [2021-03-26 13:36:40,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 232 events. 0/232 cut-off events. For 1475/1619 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1995 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 0. Up to 31 conditions per place. [2021-03-26 13:36:40,683 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 13:36:40,685 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,685 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 13:36:40,686 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 46 transitions, 579 flow [2021-03-26 13:36:40,686 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) [2021-03-26 13:36:40,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,686 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 13:36:40,686 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:40,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,686 INFO L82 PathProgramCache]: Analyzing trace with hash 421796960, now seen corresponding path program 7 times [2021-03-26 13:36:40,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467195845] [2021-03-26 13:36:40,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:40,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:40,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:40,707 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:40,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:40,743 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:40,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:40,759 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467195845] [2021-03-26 13:36:40,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:40,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693296411] [2021-03-26 13:36:40,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:40,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:40,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:40,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:40,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 46 transitions, 579 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) [2021-03-26 13:36:40,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:40,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,837 INFO L129 PetriNetUnfolder]: 41/349 cut-off events. [2021-03-26 13:36:40,838 INFO L130 PetriNetUnfolder]: For 2302/2368 co-relation queries the response was YES. [2021-03-26 13:36:40,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1435 conditions, 349 events. 41/349 cut-off events. For 2302/2368 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2975 event pairs, 17 based on Foata normal form. 8/340 useless extension candidates. Maximal degree in co-relation 1403. Up to 77 conditions per place. [2021-03-26 13:36:40,839 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 25 selfloop transitions, 24 changer transitions 3/62 dead transitions. [2021-03-26 13:36:40,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 62 transitions, 861 flow [2021-03-26 13:36:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:40,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:40,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:40,840 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:40,841 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) [2021-03-26 13:36:40,842 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) [2021-03-26 13:36:40,842 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) [2021-03-26 13:36:40,842 INFO L185 Difference]: Start difference. First operand has 75 places, 46 transitions, 579 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:40,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 62 transitions, 861 flow [2021-03-26 13:36:40,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 62 transitions, 816 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:40,848 INFO L241 Difference]: Finished difference. Result has 82 places, 50 transitions, 702 flow [2021-03-26 13:36:40,848 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=702, PETRI_PLACES=82, PETRI_TRANSITIONS=50} [2021-03-26 13:36:40,848 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 50 predicate places. [2021-03-26 13:36:40,848 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,848 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 50 transitions, 702 flow [2021-03-26 13:36:40,848 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 50 transitions, 702 flow [2021-03-26 13:36:40,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 50 transitions, 702 flow [2021-03-26 13:36:40,866 INFO L129 PetriNetUnfolder]: 0/227 cut-off events. [2021-03-26 13:36:40,866 INFO L130 PetriNetUnfolder]: For 1612/1702 co-relation queries the response was YES. [2021-03-26 13:36:40,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 805 conditions, 227 events. 0/227 cut-off events. For 1612/1702 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1931 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-03-26 13:36:40,867 INFO L142 LiptonReduction]: Number of co-enabled transitions 224 [2021-03-26 13:36:40,870 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,870 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 13:36:40,872 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 50 transitions, 702 flow [2021-03-26 13:36:40,872 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) [2021-03-26 13:36:40,872 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,872 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 13:36:40,872 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:40,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,872 INFO L82 PathProgramCache]: Analyzing trace with hash -256403714, now seen corresponding path program 8 times [2021-03-26 13:36:40,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912238186] [2021-03-26 13:36:40,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:40,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:40,902 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:40,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:40,913 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:40,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:40,928 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:40,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:40,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912238186] [2021-03-26 13:36:40,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:40,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750821526] [2021-03-26 13:36:40,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:40,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:40,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:40,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:40,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 50 transitions, 702 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) [2021-03-26 13:36:40,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:40,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:41,024 INFO L129 PetriNetUnfolder]: 34/416 cut-off events. [2021-03-26 13:36:41,025 INFO L130 PetriNetUnfolder]: For 3453/3485 co-relation queries the response was YES. [2021-03-26 13:36:41,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1864 conditions, 416 events. 34/416 cut-off events. For 3453/3485 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3811 event pairs, 6 based on Foata normal form. 1/397 useless extension candidates. Maximal degree in co-relation 1830. Up to 115 conditions per place. [2021-03-26 13:36:41,027 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 55 selfloop transitions, 24 changer transitions 4/93 dead transitions. [2021-03-26 13:36:41,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 93 transitions, 1556 flow [2021-03-26 13:36:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:41,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:41,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:41,028 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:41,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,029 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) [2021-03-26 13:36:41,031 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) [2021-03-26 13:36:41,031 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) [2021-03-26 13:36:41,031 INFO L185 Difference]: Start difference. First operand has 81 places, 50 transitions, 702 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:41,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 93 transitions, 1556 flow [2021-03-26 13:36:41,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 93 transitions, 1498 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:41,040 INFO L241 Difference]: Finished difference. Result has 89 places, 66 transitions, 1081 flow [2021-03-26 13:36:41,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1081, PETRI_PLACES=89, PETRI_TRANSITIONS=66} [2021-03-26 13:36:41,040 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 57 predicate places. [2021-03-26 13:36:41,040 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:41,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 66 transitions, 1081 flow [2021-03-26 13:36:41,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 66 transitions, 1081 flow [2021-03-26 13:36:41,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 66 transitions, 1081 flow [2021-03-26 13:36:41,062 INFO L129 PetriNetUnfolder]: 0/345 cut-off events. [2021-03-26 13:36:41,062 INFO L130 PetriNetUnfolder]: For 2900/2972 co-relation queries the response was YES. [2021-03-26 13:36:41,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1287 conditions, 345 events. 0/345 cut-off events. For 2900/2972 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3336 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 13:36:41,064 INFO L142 LiptonReduction]: Number of co-enabled transitions 230 [2021-03-26 13:36:41,068 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:41,068 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:41,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-26 13:36:41,069 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 66 transitions, 1081 flow [2021-03-26 13:36:41,069 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) [2021-03-26 13:36:41,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:41,069 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:41,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 13:36:41,069 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:41,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:41,069 INFO L82 PathProgramCache]: Analyzing trace with hash 41398628, now seen corresponding path program 9 times [2021-03-26 13:36:41,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:41,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951487003] [2021-03-26 13:36:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:41,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:41,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:41,095 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:41,114 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:41,128 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:41,145 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:41,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:41,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951487003] [2021-03-26 13:36:41,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:41,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:41,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225220498] [2021-03-26 13:36:41,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:41,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:41,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:41,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:41,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:41,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 66 transitions, 1081 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) [2021-03-26 13:36:41,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:41,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:41,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:41,252 INFO L129 PetriNetUnfolder]: 33/436 cut-off events. [2021-03-26 13:36:41,252 INFO L130 PetriNetUnfolder]: For 3835/3931 co-relation queries the response was YES. [2021-03-26 13:36:41,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 436 events. 33/436 cut-off events. For 3835/3931 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4136 event pairs, 21 based on Foata normal form. 8/426 useless extension candidates. Maximal degree in co-relation 1908. Up to 94 conditions per place. [2021-03-26 13:36:41,254 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 24 selfloop transitions, 40 changer transitions 3/77 dead transitions. [2021-03-26 13:36:41,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 77 transitions, 1341 flow [2021-03-26 13:36:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:41,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:41,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:41,256 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:41,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,256 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) [2021-03-26 13:36:41,257 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) [2021-03-26 13:36:41,257 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) [2021-03-26 13:36:41,257 INFO L185 Difference]: Start difference. First operand has 88 places, 66 transitions, 1081 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:41,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 77 transitions, 1341 flow [2021-03-26 13:36:41,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 77 transitions, 1310 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:41,269 INFO L241 Difference]: Finished difference. Result has 94 places, 67 transitions, 1170 flow [2021-03-26 13:36:41,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1170, PETRI_PLACES=94, PETRI_TRANSITIONS=67} [2021-03-26 13:36:41,270 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 62 predicate places. [2021-03-26 13:36:41,270 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:41,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 67 transitions, 1170 flow [2021-03-26 13:36:41,270 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 67 transitions, 1170 flow [2021-03-26 13:36:41,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 67 transitions, 1170 flow [2021-03-26 13:36:41,291 INFO L129 PetriNetUnfolder]: 0/347 cut-off events. [2021-03-26 13:36:41,291 INFO L130 PetriNetUnfolder]: For 3388/3464 co-relation queries the response was YES. [2021-03-26 13:36:41,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1364 conditions, 347 events. 0/347 cut-off events. For 3388/3464 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3365 event pairs, 0 based on Foata normal form. 1/337 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 13:36:41,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 236 [2021-03-26 13:36:41,298 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:41,298 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:41,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-26 13:36:41,298 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 67 transitions, 1170 flow [2021-03-26 13:36:41,298 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) [2021-03-26 13:36:41,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:41,298 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:41,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 13:36:41,299 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:41,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:41,299 INFO L82 PathProgramCache]: Analyzing trace with hash 289139752, now seen corresponding path program 10 times [2021-03-26 13:36:41,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:41,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111419582] [2021-03-26 13:36:41,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:41,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:41,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:41,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:41,327 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:41,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:41,338 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:41,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:41,353 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:41,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:41,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:41,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111419582] [2021-03-26 13:36:41,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:41,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:41,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545299484] [2021-03-26 13:36:41,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:41,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:41,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:41,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:41,369 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:41,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 67 transitions, 1170 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) [2021-03-26 13:36:41,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:41,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:41,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:41,449 INFO L129 PetriNetUnfolder]: 24/467 cut-off events. [2021-03-26 13:36:41,449 INFO L130 PetriNetUnfolder]: For 4467/4568 co-relation queries the response was YES. [2021-03-26 13:36:41,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2149 conditions, 467 events. 24/467 cut-off events. For 4467/4568 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4645 event pairs, 19 based on Foata normal form. 8/455 useless extension candidates. Maximal degree in co-relation 2111. Up to 95 conditions per place. [2021-03-26 13:36:41,452 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 49 selfloop transitions, 31 changer transitions 4/94 dead transitions. [2021-03-26 13:36:41,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 94 transitions, 1785 flow [2021-03-26 13:36:41,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:41,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:41,453 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:41,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,453 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) [2021-03-26 13:36:41,454 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) [2021-03-26 13:36:41,454 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) [2021-03-26 13:36:41,454 INFO L185 Difference]: Start difference. First operand has 93 places, 67 transitions, 1170 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:41,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 94 transitions, 1785 flow [2021-03-26 13:36:41,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 1671 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:41,468 INFO L241 Difference]: Finished difference. Result has 98 places, 76 transitions, 1369 flow [2021-03-26 13:36:41,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1369, PETRI_PLACES=98, PETRI_TRANSITIONS=76} [2021-03-26 13:36:41,468 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 66 predicate places. [2021-03-26 13:36:41,468 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:41,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 76 transitions, 1369 flow [2021-03-26 13:36:41,469 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 76 transitions, 1369 flow [2021-03-26 13:36:41,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 76 transitions, 1369 flow [2021-03-26 13:36:41,498 INFO L129 PetriNetUnfolder]: 0/416 cut-off events. [2021-03-26 13:36:41,498 INFO L130 PetriNetUnfolder]: For 4390/4472 co-relation queries the response was YES. [2021-03-26 13:36:41,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1661 conditions, 416 events. 0/416 cut-off events. For 4390/4472 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4283 event pairs, 0 based on Foata normal form. 2/406 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 13:36:41,501 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 13:36:41,506 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:41,506 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:41,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 13:36:41,507 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 76 transitions, 1369 flow [2021-03-26 13:36:41,507 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) [2021-03-26 13:36:41,507 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:41,507 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:41,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 13:36:41,507 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:41,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:41,507 INFO L82 PathProgramCache]: Analyzing trace with hash -297195642, now seen corresponding path program 11 times [2021-03-26 13:36:41,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:41,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866535606] [2021-03-26 13:36:41,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:41,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:41,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:41,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:41,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:41,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:41,555 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:41,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:41,569 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:41,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:41,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866535606] [2021-03-26 13:36:41,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:41,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:41,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308482636] [2021-03-26 13:36:41,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:41,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:41,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:41,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:41,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:41,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 76 transitions, 1369 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) [2021-03-26 13:36:41,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:41,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:41,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:41,675 INFO L129 PetriNetUnfolder]: 21/485 cut-off events. [2021-03-26 13:36:41,675 INFO L130 PetriNetUnfolder]: For 4834/4970 co-relation queries the response was YES. [2021-03-26 13:36:41,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2264 conditions, 485 events. 21/485 cut-off events. For 4834/4970 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4905 event pairs, 21 based on Foata normal form. 8/472 useless extension candidates. Maximal degree in co-relation 2224. Up to 95 conditions per place. [2021-03-26 13:36:41,677 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 45 selfloop transitions, 39 changer transitions 2/96 dead transitions. [2021-03-26 13:36:41,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 96 transitions, 1881 flow [2021-03-26 13:36:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:41,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:41,679 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:41,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,680 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) [2021-03-26 13:36:41,680 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) [2021-03-26 13:36:41,680 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) [2021-03-26 13:36:41,680 INFO L185 Difference]: Start difference. First operand has 97 places, 76 transitions, 1369 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:41,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 96 transitions, 1881 flow [2021-03-26 13:36:41,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 96 transitions, 1824 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:41,706 INFO L241 Difference]: Finished difference. Result has 104 places, 87 transitions, 1663 flow [2021-03-26 13:36:41,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1327, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1663, PETRI_PLACES=104, PETRI_TRANSITIONS=87} [2021-03-26 13:36:41,706 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 72 predicate places. [2021-03-26 13:36:41,706 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:41,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 87 transitions, 1663 flow [2021-03-26 13:36:41,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 87 transitions, 1663 flow [2021-03-26 13:36:41,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 87 transitions, 1663 flow [2021-03-26 13:36:41,739 INFO L129 PetriNetUnfolder]: 0/441 cut-off events. [2021-03-26 13:36:41,739 INFO L130 PetriNetUnfolder]: For 5361/5436 co-relation queries the response was YES. [2021-03-26 13:36:41,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1888 conditions, 441 events. 0/441 cut-off events. For 5361/5436 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4612 event pairs, 0 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-03-26 13:36:41,742 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-26 13:36:41,755 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:41,755 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:41,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 13:36:41,756 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 87 transitions, 1663 flow [2021-03-26 13:36:41,756 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) [2021-03-26 13:36:41,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:41,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:41,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 13:36:41,756 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:41,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:41,756 INFO L82 PathProgramCache]: Analyzing trace with hash 908333830, now seen corresponding path program 12 times [2021-03-26 13:36:41,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:41,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327037912] [2021-03-26 13:36:41,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:41,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:41,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:41,771 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:41,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:41,779 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:41,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:41,793 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:41,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:41,809 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:41,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:41,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:41,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327037912] [2021-03-26 13:36:41,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:41,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:41,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914186158] [2021-03-26 13:36:41,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:41,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:41,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:41,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:41,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:41,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 87 transitions, 1663 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) [2021-03-26 13:36:41,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:41,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:41,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:41,919 INFO L129 PetriNetUnfolder]: 21/479 cut-off events. [2021-03-26 13:36:41,919 INFO L130 PetriNetUnfolder]: For 5447/5594 co-relation queries the response was YES. [2021-03-26 13:36:41,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 479 events. 21/479 cut-off events. For 5447/5594 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4815 event pairs, 21 based on Foata normal form. 11/472 useless extension candidates. Maximal degree in co-relation 2307. Up to 93 conditions per place. [2021-03-26 13:36:41,921 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 29 selfloop transitions, 56 changer transitions 4/99 dead transitions. [2021-03-26 13:36:41,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 99 transitions, 2039 flow [2021-03-26 13:36:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:41,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:41,922 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:41,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:41,923 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) [2021-03-26 13:36:41,924 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) [2021-03-26 13:36:41,924 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) [2021-03-26 13:36:41,924 INFO L185 Difference]: Start difference. First operand has 103 places, 87 transitions, 1663 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:41,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 99 transitions, 2039 flow [2021-03-26 13:36:41,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 99 transitions, 1937 flow, removed 23 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:41,939 INFO L241 Difference]: Finished difference. Result has 107 places, 87 transitions, 1732 flow [2021-03-26 13:36:41,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1572, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1732, PETRI_PLACES=107, PETRI_TRANSITIONS=87} [2021-03-26 13:36:41,940 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 75 predicate places. [2021-03-26 13:36:41,940 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:41,940 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 87 transitions, 1732 flow [2021-03-26 13:36:41,940 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 87 transitions, 1732 flow [2021-03-26 13:36:41,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 87 transitions, 1732 flow [2021-03-26 13:36:41,966 INFO L129 PetriNetUnfolder]: 0/430 cut-off events. [2021-03-26 13:36:41,966 INFO L130 PetriNetUnfolder]: For 5419/5501 co-relation queries the response was YES. [2021-03-26 13:36:41,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 430 events. 0/430 cut-off events. For 5419/5501 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4466 event pairs, 0 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 13:36:41,968 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-26 13:36:41,975 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:41,975 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:41,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 13:36:41,976 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 87 transitions, 1732 flow [2021-03-26 13:36:41,976 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) [2021-03-26 13:36:41,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:41,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:41,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 13:36:41,976 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:41,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:41,977 INFO L82 PathProgramCache]: Analyzing trace with hash -156049302, now seen corresponding path program 13 times [2021-03-26 13:36:41,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:41,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452669447] [2021-03-26 13:36:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:41,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:41,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:41,994 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:41,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:42,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:42,011 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:42,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:42,025 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:42,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:42,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452669447] [2021-03-26 13:36:42,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:42,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:42,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383017900] [2021-03-26 13:36:42,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:42,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:42,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:42,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:42,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:42,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 87 transitions, 1732 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) [2021-03-26 13:36:42,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:42,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:42,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:42,124 INFO L129 PetriNetUnfolder]: 21/468 cut-off events. [2021-03-26 13:36:42,124 INFO L130 PetriNetUnfolder]: For 5525/5661 co-relation queries the response was YES. [2021-03-26 13:36:42,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2342 conditions, 468 events. 21/468 cut-off events. For 5525/5661 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4680 event pairs, 21 based on Foata normal form. 12/464 useless extension candidates. Maximal degree in co-relation 2300. Up to 93 conditions per place. [2021-03-26 13:36:42,126 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 31 selfloop transitions, 54 changer transitions 2/97 dead transitions. [2021-03-26 13:36:42,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 97 transitions, 2075 flow [2021-03-26 13:36:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:42,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:42,127 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:42,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,128 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) [2021-03-26 13:36:42,129 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) [2021-03-26 13:36:42,129 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) [2021-03-26 13:36:42,129 INFO L185 Difference]: Start difference. First operand has 105 places, 87 transitions, 1732 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:42,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 97 transitions, 2075 flow [2021-03-26 13:36:42,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 97 transitions, 1961 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:42,143 INFO L241 Difference]: Finished difference. Result has 111 places, 89 transitions, 1833 flow [2021-03-26 13:36:42,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1638, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1833, PETRI_PLACES=111, PETRI_TRANSITIONS=89} [2021-03-26 13:36:42,144 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 79 predicate places. [2021-03-26 13:36:42,144 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:42,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 89 transitions, 1833 flow [2021-03-26 13:36:42,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 89 transitions, 1833 flow [2021-03-26 13:36:42,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 89 transitions, 1833 flow [2021-03-26 13:36:42,174 INFO L129 PetriNetUnfolder]: 0/424 cut-off events. [2021-03-26 13:36:42,174 INFO L130 PetriNetUnfolder]: For 5716/5806 co-relation queries the response was YES. [2021-03-26 13:36:42,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1905 conditions, 424 events. 0/424 cut-off events. For 5716/5806 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4390 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 13:36:42,176 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 13:36:42,184 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:42,184 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:42,184 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 13:36:42,184 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 89 transitions, 1833 flow [2021-03-26 13:36:42,185 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) [2021-03-26 13:36:42,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:42,185 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:42,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 13:36:42,185 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:42,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:42,185 INFO L82 PathProgramCache]: Analyzing trace with hash -255599292, now seen corresponding path program 14 times [2021-03-26 13:36:42,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:42,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968243807] [2021-03-26 13:36:42,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:42,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:42,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:42,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:42,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:42,205 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:42,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:42,215 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:42,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:42,229 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:42,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:42,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968243807] [2021-03-26 13:36:42,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:42,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:42,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188158693] [2021-03-26 13:36:42,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:42,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:42,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:42,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:42,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:42,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 89 transitions, 1833 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) [2021-03-26 13:36:42,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:42,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:42,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:42,313 INFO L129 PetriNetUnfolder]: 21/462 cut-off events. [2021-03-26 13:36:42,313 INFO L130 PetriNetUnfolder]: For 5711/5857 co-relation queries the response was YES. [2021-03-26 13:36:42,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 462 events. 21/462 cut-off events. For 5711/5857 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4590 event pairs, 21 based on Foata normal form. 15/461 useless extension candidates. Maximal degree in co-relation 2305. Up to 93 conditions per place. [2021-03-26 13:36:42,315 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 27 selfloop transitions, 55 changer transitions 3/95 dead transitions. [2021-03-26 13:36:42,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 95 transitions, 2078 flow [2021-03-26 13:36:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:42,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:42,316 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:42,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:42,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:42,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:42,317 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) [2021-03-26 13:36:42,318 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) [2021-03-26 13:36:42,318 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) [2021-03-26 13:36:42,318 INFO L185 Difference]: Start difference. First operand has 110 places, 89 transitions, 1833 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:42,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 95 transitions, 2078 flow [2021-03-26 13:36:42,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 95 transitions, 1988 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:42,341 INFO L241 Difference]: Finished difference. Result has 114 places, 89 transitions, 1870 flow [2021-03-26 13:36:42,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1749, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1870, PETRI_PLACES=114, PETRI_TRANSITIONS=89} [2021-03-26 13:36:42,341 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 82 predicate places. [2021-03-26 13:36:42,341 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:42,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 89 transitions, 1870 flow [2021-03-26 13:36:42,341 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 89 transitions, 1870 flow [2021-03-26 13:36:42,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 89 transitions, 1870 flow [2021-03-26 13:36:42,370 INFO L129 PetriNetUnfolder]: 0/417 cut-off events. [2021-03-26 13:36:42,370 INFO L130 PetriNetUnfolder]: For 5551/5626 co-relation queries the response was YES. [2021-03-26 13:36:42,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1905 conditions, 417 events. 0/417 cut-off events. For 5551/5626 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4282 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 13:36:42,373 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-26 13:36:42,380 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:42,380 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:42,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 13:36:42,381 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 89 transitions, 1870 flow [2021-03-26 13:36:42,381 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) [2021-03-26 13:36:42,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:42,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:42,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 13:36:42,381 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:42,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:42,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1133551750, now seen corresponding path program 15 times [2021-03-26 13:36:42,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:42,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431230535] [2021-03-26 13:36:42,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:42,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:42,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:42,396 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:42,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:42,403 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:42,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:42,413 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:42,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:42,428 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:42,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:42,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431230535] [2021-03-26 13:36:42,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:42,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:42,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018508916] [2021-03-26 13:36:42,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:42,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:42,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:42,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:42,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:42,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 89 transitions, 1870 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) [2021-03-26 13:36:42,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:42,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:42,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:42,528 INFO L129 PetriNetUnfolder]: 21/455 cut-off events. [2021-03-26 13:36:42,528 INFO L130 PetriNetUnfolder]: For 5573/5709 co-relation queries the response was YES. [2021-03-26 13:36:42,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2345 conditions, 455 events. 21/455 cut-off events. For 5573/5709 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4497 event pairs, 21 based on Foata normal form. 13/450 useless extension candidates. Maximal degree in co-relation 2301. Up to 93 conditions per place. [2021-03-26 13:36:42,530 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 54 changer transitions 3/95 dead transitions. [2021-03-26 13:36:42,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 95 transitions, 2125 flow [2021-03-26 13:36:42,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:42,531 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:42,531 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:42,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,532 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) [2021-03-26 13:36:42,532 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) [2021-03-26 13:36:42,533 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) [2021-03-26 13:36:42,533 INFO L185 Difference]: Start difference. First operand has 112 places, 89 transitions, 1870 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:42,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 95 transitions, 2125 flow [2021-03-26 13:36:42,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 95 transitions, 2000 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:42,548 INFO L241 Difference]: Finished difference. Result has 114 places, 89 transitions, 1876 flow [2021-03-26 13:36:42,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1757, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1876, PETRI_PLACES=114, PETRI_TRANSITIONS=89} [2021-03-26 13:36:42,548 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 82 predicate places. [2021-03-26 13:36:42,548 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:42,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 89 transitions, 1876 flow [2021-03-26 13:36:42,549 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 89 transitions, 1876 flow [2021-03-26 13:36:42,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 89 transitions, 1876 flow [2021-03-26 13:36:42,577 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 13:36:42,578 INFO L130 PetriNetUnfolder]: For 5307/5377 co-relation queries the response was YES. [2021-03-26 13:36:42,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 408 events. 0/408 cut-off events. For 5307/5377 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4159 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 13:36:42,580 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-26 13:36:42,583 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:42,583 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:42,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 13:36:42,583 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 89 transitions, 1876 flow [2021-03-26 13:36:42,584 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) [2021-03-26 13:36:42,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:42,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:42,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 13:36:42,584 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:42,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:42,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1140350436, now seen corresponding path program 16 times [2021-03-26 13:36:42,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:42,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481794767] [2021-03-26 13:36:42,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:42,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:42,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:42,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:42,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:42,620 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:42,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:42,634 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:42,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:42,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481794767] [2021-03-26 13:36:42,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:42,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:42,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18913476] [2021-03-26 13:36:42,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:42,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:42,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:42,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:42,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:42,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 89 transitions, 1876 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) [2021-03-26 13:36:42,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:42,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:42,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:42,728 INFO L129 PetriNetUnfolder]: 21/448 cut-off events. [2021-03-26 13:36:42,728 INFO L130 PetriNetUnfolder]: For 5212/5297 co-relation queries the response was YES. [2021-03-26 13:36:42,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2300 conditions, 448 events. 21/448 cut-off events. For 5212/5297 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4433 event pairs, 17 based on Foata normal form. 9/440 useless extension candidates. Maximal degree in co-relation 2257. Up to 91 conditions per place. [2021-03-26 13:36:42,732 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 39 changer transitions 1/104 dead transitions. [2021-03-26 13:36:42,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 104 transitions, 2331 flow [2021-03-26 13:36:42,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:42,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:42,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:42,733 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:42,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,734 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) [2021-03-26 13:36:42,734 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) [2021-03-26 13:36:42,735 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) [2021-03-26 13:36:42,735 INFO L185 Difference]: Start difference. First operand has 113 places, 89 transitions, 1876 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:42,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 104 transitions, 2331 flow [2021-03-26 13:36:42,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 104 transitions, 2213 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:42,749 INFO L241 Difference]: Finished difference. Result has 119 places, 95 transitions, 2006 flow [2021-03-26 13:36:42,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1774, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2006, PETRI_PLACES=119, PETRI_TRANSITIONS=95} [2021-03-26 13:36:42,749 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 87 predicate places. [2021-03-26 13:36:42,749 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:42,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 95 transitions, 2006 flow [2021-03-26 13:36:42,750 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 95 transitions, 2006 flow [2021-03-26 13:36:42,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 95 transitions, 2006 flow [2021-03-26 13:36:42,775 INFO L129 PetriNetUnfolder]: 0/402 cut-off events. [2021-03-26 13:36:42,775 INFO L130 PetriNetUnfolder]: For 5659/5732 co-relation queries the response was YES. [2021-03-26 13:36:42,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1893 conditions, 402 events. 0/402 cut-off events. For 5659/5732 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4087 event pairs, 0 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 13:36:42,777 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 13:36:42,781 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:42,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:42,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 13:36:42,781 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 95 transitions, 2006 flow [2021-03-26 13:36:42,781 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) [2021-03-26 13:36:42,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:42,781 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:42,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 13:36:42,782 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:42,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:42,782 INFO L82 PathProgramCache]: Analyzing trace with hash -665867718, now seen corresponding path program 17 times [2021-03-26 13:36:42,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:42,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108104119] [2021-03-26 13:36:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:42,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:42,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:42,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:42,800 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:42,818 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:42,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:42,833 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:42,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108104119] [2021-03-26 13:36:42,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:42,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:42,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789621895] [2021-03-26 13:36:42,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:42,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:42,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:42,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:42,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:42,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 95 transitions, 2006 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) [2021-03-26 13:36:42,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:42,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:42,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:42,914 INFO L129 PetriNetUnfolder]: 21/442 cut-off events. [2021-03-26 13:36:42,914 INFO L130 PetriNetUnfolder]: For 5590/5672 co-relation queries the response was YES. [2021-03-26 13:36:42,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2336 conditions, 442 events. 21/442 cut-off events. For 5590/5672 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4346 event pairs, 17 based on Foata normal form. 8/433 useless extension candidates. Maximal degree in co-relation 2290. Up to 91 conditions per place. [2021-03-26 13:36:42,916 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 38 changer transitions 3/103 dead transitions. [2021-03-26 13:36:42,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 103 transitions, 2318 flow [2021-03-26 13:36:42,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:42,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:42,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:42,917 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:42,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:42,918 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) [2021-03-26 13:36:42,918 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) [2021-03-26 13:36:42,919 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) [2021-03-26 13:36:42,919 INFO L185 Difference]: Start difference. First operand has 118 places, 95 transitions, 2006 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:42,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 103 transitions, 2318 flow [2021-03-26 13:36:42,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 103 transitions, 2278 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:42,943 INFO L241 Difference]: Finished difference. Result has 124 places, 95 transitions, 2070 flow [2021-03-26 13:36:42,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1972, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2070, PETRI_PLACES=124, PETRI_TRANSITIONS=95} [2021-03-26 13:36:42,943 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 92 predicate places. [2021-03-26 13:36:42,943 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:42,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 95 transitions, 2070 flow [2021-03-26 13:36:42,943 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 95 transitions, 2070 flow [2021-03-26 13:36:42,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 95 transitions, 2070 flow [2021-03-26 13:36:42,968 INFO L129 PetriNetUnfolder]: 0/393 cut-off events. [2021-03-26 13:36:42,968 INFO L130 PetriNetUnfolder]: For 5712/5786 co-relation queries the response was YES. [2021-03-26 13:36:42,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 393 events. 0/393 cut-off events. For 5712/5786 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3953 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:42,970 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 13:36:42,974 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:42,974 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:42,974 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-26 13:36:42,974 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 95 transitions, 2070 flow [2021-03-26 13:36:42,974 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) [2021-03-26 13:36:42,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:42,974 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:42,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 13:36:42,975 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:42,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:42,975 INFO L82 PathProgramCache]: Analyzing trace with hash -798335486, now seen corresponding path program 18 times [2021-03-26 13:36:42,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:42,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489638401] [2021-03-26 13:36:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:42,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:42,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:42,996 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:42,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:43,007 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:43,022 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:43,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:43,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489638401] [2021-03-26 13:36:43,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:43,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:43,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154964116] [2021-03-26 13:36:43,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:43,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:43,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:43,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:43,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:43,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 95 transitions, 2070 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) [2021-03-26 13:36:43,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:43,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:43,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:43,118 INFO L129 PetriNetUnfolder]: 21/433 cut-off events. [2021-03-26 13:36:43,118 INFO L130 PetriNetUnfolder]: For 5738/5820 co-relation queries the response was YES. [2021-03-26 13:36:43,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2342 conditions, 433 events. 21/433 cut-off events. For 5738/5820 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4230 event pairs, 17 based on Foata normal form. 8/424 useless extension candidates. Maximal degree in co-relation 2295. Up to 91 conditions per place. [2021-03-26 13:36:43,120 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 44 selfloop transitions, 44 changer transitions 2/100 dead transitions. [2021-03-26 13:36:43,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 100 transitions, 2302 flow [2021-03-26 13:36:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:43,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:43,121 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:43,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,122 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) [2021-03-26 13:36:43,122 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) [2021-03-26 13:36:43,131 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) [2021-03-26 13:36:43,131 INFO L185 Difference]: Start difference. First operand has 123 places, 95 transitions, 2070 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:43,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 100 transitions, 2302 flow [2021-03-26 13:36:43,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 100 transitions, 2222 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:43,148 INFO L241 Difference]: Finished difference. Result has 126 places, 94 transitions, 2068 flow [2021-03-26 13:36:43,148 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2068, PETRI_PLACES=126, PETRI_TRANSITIONS=94} [2021-03-26 13:36:43,148 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 94 predicate places. [2021-03-26 13:36:43,148 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:43,149 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 94 transitions, 2068 flow [2021-03-26 13:36:43,149 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 94 transitions, 2068 flow [2021-03-26 13:36:43,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 94 transitions, 2068 flow [2021-03-26 13:36:43,174 INFO L129 PetriNetUnfolder]: 0/385 cut-off events. [2021-03-26 13:36:43,174 INFO L130 PetriNetUnfolder]: For 5772/5846 co-relation queries the response was YES. [2021-03-26 13:36:43,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1870 conditions, 385 events. 0/385 cut-off events. For 5772/5846 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3826 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 13:36:43,177 INFO L142 LiptonReduction]: Number of co-enabled transitions 298 [2021-03-26 13:36:43,181 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:43,181 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:43,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 13:36:43,182 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 94 transitions, 2068 flow [2021-03-26 13:36:43,182 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) [2021-03-26 13:36:43,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:43,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:43,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 13:36:43,182 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:43,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:43,183 INFO L82 PathProgramCache]: Analyzing trace with hash -966484266, now seen corresponding path program 19 times [2021-03-26 13:36:43,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:43,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855634091] [2021-03-26 13:36:43,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:43,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:43,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:43,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:43,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:43,216 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:43,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:43,230 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:43,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:43,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:43,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855634091] [2021-03-26 13:36:43,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:43,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:43,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693433912] [2021-03-26 13:36:43,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:43,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:43,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:43,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:43,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:43,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 94 transitions, 2068 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) [2021-03-26 13:36:43,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:43,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:43,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:43,337 INFO L129 PetriNetUnfolder]: 17/451 cut-off events. [2021-03-26 13:36:43,337 INFO L130 PetriNetUnfolder]: For 6038/6120 co-relation queries the response was YES. [2021-03-26 13:36:43,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2425 conditions, 451 events. 17/451 cut-off events. For 6038/6120 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4495 event pairs, 17 based on Foata normal form. 7/440 useless extension candidates. Maximal degree in co-relation 2378. Up to 90 conditions per place. [2021-03-26 13:36:43,339 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 37 changer transitions 2/113 dead transitions. [2021-03-26 13:36:43,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 113 transitions, 2677 flow [2021-03-26 13:36:43,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:43,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:43,340 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:43,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,340 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) [2021-03-26 13:36:43,341 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) [2021-03-26 13:36:43,341 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) [2021-03-26 13:36:43,341 INFO L185 Difference]: Start difference. First operand has 125 places, 94 transitions, 2068 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:43,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 113 transitions, 2677 flow [2021-03-26 13:36:43,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 113 transitions, 2583 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:43,359 INFO L241 Difference]: Finished difference. Result has 131 places, 99 transitions, 2215 flow [2021-03-26 13:36:43,359 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1989, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2215, PETRI_PLACES=131, PETRI_TRANSITIONS=99} [2021-03-26 13:36:43,360 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 99 predicate places. [2021-03-26 13:36:43,360 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:43,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 99 transitions, 2215 flow [2021-03-26 13:36:43,360 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 99 transitions, 2215 flow [2021-03-26 13:36:43,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 99 transitions, 2215 flow [2021-03-26 13:36:43,387 INFO L129 PetriNetUnfolder]: 0/415 cut-off events. [2021-03-26 13:36:43,387 INFO L130 PetriNetUnfolder]: For 6655/6742 co-relation queries the response was YES. [2021-03-26 13:36:43,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2064 conditions, 415 events. 0/415 cut-off events. For 6655/6742 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4242 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. [2021-03-26 13:36:43,390 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 13:36:43,394 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:43,394 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:43,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 13:36:43,395 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 99 transitions, 2215 flow [2021-03-26 13:36:43,395 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) [2021-03-26 13:36:43,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:43,395 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:43,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 13:36:43,395 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:43,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:43,395 INFO L82 PathProgramCache]: Analyzing trace with hash -2071671752, now seen corresponding path program 20 times [2021-03-26 13:36:43,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:43,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036940531] [2021-03-26 13:36:43,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:43,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:43,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:43,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:43,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:43,432 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:43,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:43,447 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:43,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:43,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:43,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036940531] [2021-03-26 13:36:43,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:43,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:43,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715263232] [2021-03-26 13:36:43,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:43,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:43,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:43,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:43,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:43,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 99 transitions, 2215 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) [2021-03-26 13:36:43,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:43,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:43,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:43,554 INFO L129 PetriNetUnfolder]: 17/444 cut-off events. [2021-03-26 13:36:43,555 INFO L130 PetriNetUnfolder]: For 6392/6481 co-relation queries the response was YES. [2021-03-26 13:36:43,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2435 conditions, 444 events. 17/444 cut-off events. For 6392/6481 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4405 event pairs, 17 based on Foata normal form. 8/437 useless extension candidates. Maximal degree in co-relation 2385. Up to 91 conditions per place. [2021-03-26 13:36:43,556 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 41 changer transitions 2/106 dead transitions. [2021-03-26 13:36:43,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 106 transitions, 2520 flow [2021-03-26 13:36:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:43,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:43,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:43,557 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:43,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,558 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) [2021-03-26 13:36:43,558 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) [2021-03-26 13:36:43,558 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) [2021-03-26 13:36:43,558 INFO L185 Difference]: Start difference. First operand has 130 places, 99 transitions, 2215 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:43,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 106 transitions, 2520 flow [2021-03-26 13:36:43,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 106 transitions, 2457 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:43,576 INFO L241 Difference]: Finished difference. Result has 135 places, 99 transitions, 2262 flow [2021-03-26 13:36:43,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2161, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2262, PETRI_PLACES=135, PETRI_TRANSITIONS=99} [2021-03-26 13:36:43,577 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 103 predicate places. [2021-03-26 13:36:43,577 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:43,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 99 transitions, 2262 flow [2021-03-26 13:36:43,577 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 99 transitions, 2262 flow [2021-03-26 13:36:43,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 99 transitions, 2262 flow [2021-03-26 13:36:43,604 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 13:36:43,604 INFO L130 PetriNetUnfolder]: For 6917/7002 co-relation queries the response was YES. [2021-03-26 13:36:43,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2089 conditions, 408 events. 0/408 cut-off events. For 6917/7002 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4165 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 13:36:43,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 316 [2021-03-26 13:36:43,610 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:43,610 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:43,611 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 13:36:43,611 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 99 transitions, 2262 flow [2021-03-26 13:36:43,611 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) [2021-03-26 13:36:43,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:43,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:43,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 13:36:43,611 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:43,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:43,612 INFO L82 PathProgramCache]: Analyzing trace with hash 248574312, now seen corresponding path program 21 times [2021-03-26 13:36:43,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:43,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87667233] [2021-03-26 13:36:43,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:43,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:43,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:43,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:43,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:43,645 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:43,660 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:43,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:43,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87667233] [2021-03-26 13:36:43,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:43,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:43,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022615705] [2021-03-26 13:36:43,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:43,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:43,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:43,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:43,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:43,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 99 transitions, 2262 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) [2021-03-26 13:36:43,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:43,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:43,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:43,755 INFO L129 PetriNetUnfolder]: 17/437 cut-off events. [2021-03-26 13:36:43,755 INFO L130 PetriNetUnfolder]: For 6662/6775 co-relation queries the response was YES. [2021-03-26 13:36:43,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2457 conditions, 437 events. 17/437 cut-off events. For 6662/6775 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4291 event pairs, 17 based on Foata normal form. 12/432 useless extension candidates. Maximal degree in co-relation 2406. Up to 91 conditions per place. [2021-03-26 13:36:43,757 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 40 changer transitions 2/104 dead transitions. [2021-03-26 13:36:43,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 104 transitions, 2510 flow [2021-03-26 13:36:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:43,758 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:43,758 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:43,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,758 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) [2021-03-26 13:36:43,759 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) [2021-03-26 13:36:43,759 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) [2021-03-26 13:36:43,759 INFO L185 Difference]: Start difference. First operand has 134 places, 99 transitions, 2262 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:43,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 104 transitions, 2510 flow [2021-03-26 13:36:43,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 104 transitions, 2430 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:43,778 INFO L241 Difference]: Finished difference. Result has 137 places, 99 transitions, 2273 flow [2021-03-26 13:36:43,778 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2188, PETRI_DIFFERENCE_MINUEND_PLACES=129, 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=2273, PETRI_PLACES=137, PETRI_TRANSITIONS=99} [2021-03-26 13:36:43,779 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 105 predicate places. [2021-03-26 13:36:43,779 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:43,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 99 transitions, 2273 flow [2021-03-26 13:36:43,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 99 transitions, 2273 flow [2021-03-26 13:36:43,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 99 transitions, 2273 flow [2021-03-26 13:36:43,807 INFO L129 PetriNetUnfolder]: 0/401 cut-off events. [2021-03-26 13:36:43,807 INFO L130 PetriNetUnfolder]: For 6772/6857 co-relation queries the response was YES. [2021-03-26 13:36:43,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2092 conditions, 401 events. 0/401 cut-off events. For 6772/6857 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4033 event pairs, 0 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 13:36:43,809 INFO L142 LiptonReduction]: Number of co-enabled transitions 320 [2021-03-26 13:36:43,813 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:43,813 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:43,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 13:36:43,814 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 99 transitions, 2273 flow [2021-03-26 13:36:43,814 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) [2021-03-26 13:36:43,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:43,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:43,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 13:36:43,814 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:43,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:43,814 INFO L82 PathProgramCache]: Analyzing trace with hash -729072352, now seen corresponding path program 22 times [2021-03-26 13:36:43,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:43,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058432263] [2021-03-26 13:36:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:43,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:43,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:43,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:43,836 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:43,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:43,847 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:43,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:43,862 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:43,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:43,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058432263] [2021-03-26 13:36:43,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:43,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:43,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539000964] [2021-03-26 13:36:43,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:43,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:43,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:43,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:43,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:43,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 99 transitions, 2273 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) [2021-03-26 13:36:43,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:43,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:43,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:43,957 INFO L129 PetriNetUnfolder]: 17/430 cut-off events. [2021-03-26 13:36:43,957 INFO L130 PetriNetUnfolder]: For 6501/6611 co-relation queries the response was YES. [2021-03-26 13:36:43,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2457 conditions, 430 events. 17/430 cut-off events. For 6501/6611 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4204 event pairs, 17 based on Foata normal form. 8/421 useless extension candidates. Maximal degree in co-relation 2407. Up to 90 conditions per place. [2021-03-26 13:36:43,959 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 58 selfloop transitions, 39 changer transitions 2/109 dead transitions. [2021-03-26 13:36:43,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 109 transitions, 2666 flow [2021-03-26 13:36:43,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:43,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:43,960 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:43,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:43,960 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) [2021-03-26 13:36:43,961 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) [2021-03-26 13:36:43,961 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) [2021-03-26 13:36:43,961 INFO L185 Difference]: Start difference. First operand has 136 places, 99 transitions, 2273 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:43,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 109 transitions, 2666 flow [2021-03-26 13:36:43,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 109 transitions, 2601 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:43,981 INFO L241 Difference]: Finished difference. Result has 143 places, 102 transitions, 2409 flow [2021-03-26 13:36:43,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2217, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2409, PETRI_PLACES=143, PETRI_TRANSITIONS=102} [2021-03-26 13:36:43,981 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 111 predicate places. [2021-03-26 13:36:43,981 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:43,981 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 102 transitions, 2409 flow [2021-03-26 13:36:43,982 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 102 transitions, 2409 flow [2021-03-26 13:36:43,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 102 transitions, 2409 flow [2021-03-26 13:36:44,013 INFO L129 PetriNetUnfolder]: 0/394 cut-off events. [2021-03-26 13:36:44,013 INFO L130 PetriNetUnfolder]: For 7102/7191 co-relation queries the response was YES. [2021-03-26 13:36:44,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2118 conditions, 394 events. 0/394 cut-off events. For 7102/7191 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3949 event pairs, 0 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:44,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 332 [2021-03-26 13:36:44,021 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:44,021 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:44,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 13:36:44,021 INFO L480 AbstractCegarLoop]: Abstraction has has 142 places, 102 transitions, 2409 flow [2021-03-26 13:36:44,021 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) [2021-03-26 13:36:44,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:44,021 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:44,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 13:36:44,022 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:44,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:44,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1584379006, now seen corresponding path program 23 times [2021-03-26 13:36:44,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:44,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819666419] [2021-03-26 13:36:44,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:44,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:44,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:44,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:44,046 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:44,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:44,056 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:44,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:44,070 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:44,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:44,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819666419] [2021-03-26 13:36:44,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:44,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:44,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10900978] [2021-03-26 13:36:44,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:44,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:44,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:44,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:44,084 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:44,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 102 transitions, 2409 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) [2021-03-26 13:36:44,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:44,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:44,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:44,178 INFO L129 PetriNetUnfolder]: 17/423 cut-off events. [2021-03-26 13:36:44,178 INFO L130 PetriNetUnfolder]: For 6847/6957 co-relation queries the response was YES. [2021-03-26 13:36:44,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2480 conditions, 423 events. 17/423 cut-off events. For 6847/6957 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4112 event pairs, 17 based on Foata normal form. 8/414 useless extension candidates. Maximal degree in co-relation 2427. Up to 90 conditions per place. [2021-03-26 13:36:44,181 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 57 selfloop transitions, 38 changer transitions 2/107 dead transitions. [2021-03-26 13:36:44,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 107 transitions, 2664 flow [2021-03-26 13:36:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:44,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:44,182 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:44,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,182 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) [2021-03-26 13:36:44,183 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) [2021-03-26 13:36:44,183 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) [2021-03-26 13:36:44,183 INFO L185 Difference]: Start difference. First operand has 142 places, 102 transitions, 2409 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:44,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 107 transitions, 2664 flow [2021-03-26 13:36:44,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 107 transitions, 2579 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:44,203 INFO L241 Difference]: Finished difference. Result has 145 places, 102 transitions, 2410 flow [2021-03-26 13:36:44,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2332, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2410, PETRI_PLACES=145, PETRI_TRANSITIONS=102} [2021-03-26 13:36:44,204 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 113 predicate places. [2021-03-26 13:36:44,204 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:44,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 102 transitions, 2410 flow [2021-03-26 13:36:44,205 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 102 transitions, 2410 flow [2021-03-26 13:36:44,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 102 transitions, 2410 flow [2021-03-26 13:36:44,239 INFO L129 PetriNetUnfolder]: 0/387 cut-off events. [2021-03-26 13:36:44,239 INFO L130 PetriNetUnfolder]: For 7129/7219 co-relation queries the response was YES. [2021-03-26 13:36:44,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2089 conditions, 387 events. 0/387 cut-off events. For 7129/7219 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3866 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 13:36:44,242 INFO L142 LiptonReduction]: Number of co-enabled transitions 334 [2021-03-26 13:36:44,246 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:44,246 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:44,246 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 13:36:44,247 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 102 transitions, 2410 flow [2021-03-26 13:36:44,247 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) [2021-03-26 13:36:44,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:44,247 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:44,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 13:36:44,247 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:44,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1796092904, now seen corresponding path program 24 times [2021-03-26 13:36:44,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:44,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098677646] [2021-03-26 13:36:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:44,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:44,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:44,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:44,274 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:44,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:44,294 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:44,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:44,309 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:44,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:44,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098677646] [2021-03-26 13:36:44,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:44,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:44,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194153601] [2021-03-26 13:36:44,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:44,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:44,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:44,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:44,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:44,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 102 transitions, 2410 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) [2021-03-26 13:36:44,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:44,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:44,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:44,403 INFO L129 PetriNetUnfolder]: 17/416 cut-off events. [2021-03-26 13:36:44,403 INFO L130 PetriNetUnfolder]: For 6840/6953 co-relation queries the response was YES. [2021-03-26 13:36:44,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2448 conditions, 416 events. 17/416 cut-off events. For 6840/6953 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4022 event pairs, 17 based on Foata normal form. 8/408 useless extension candidates. Maximal degree in co-relation 2395. Up to 90 conditions per place. [2021-03-26 13:36:44,405 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 49 selfloop transitions, 44 changer transitions 2/105 dead transitions. [2021-03-26 13:36:44,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 105 transitions, 2612 flow [2021-03-26 13:36:44,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:44,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:44,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:44,406 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:44,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,407 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) [2021-03-26 13:36:44,407 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) [2021-03-26 13:36:44,408 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) [2021-03-26 13:36:44,408 INFO L185 Difference]: Start difference. First operand has 144 places, 102 transitions, 2410 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:44,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 105 transitions, 2612 flow [2021-03-26 13:36:44,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 105 transitions, 2535 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:44,427 INFO L241 Difference]: Finished difference. Result has 147 places, 100 transitions, 2363 flow [2021-03-26 13:36:44,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2339, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2363, PETRI_PLACES=147, PETRI_TRANSITIONS=100} [2021-03-26 13:36:44,427 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 115 predicate places. [2021-03-26 13:36:44,427 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:44,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 100 transitions, 2363 flow [2021-03-26 13:36:44,427 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 100 transitions, 2363 flow [2021-03-26 13:36:44,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 100 transitions, 2363 flow [2021-03-26 13:36:44,453 INFO L129 PetriNetUnfolder]: 0/380 cut-off events. [2021-03-26 13:36:44,453 INFO L130 PetriNetUnfolder]: For 6995/7087 co-relation queries the response was YES. [2021-03-26 13:36:44,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2062 conditions, 380 events. 0/380 cut-off events. For 6995/7087 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3780 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-03-26 13:36:44,456 INFO L142 LiptonReduction]: Number of co-enabled transitions 322 [2021-03-26 13:36:44,459 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:44,459 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:44,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 13:36:44,459 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 100 transitions, 2363 flow [2021-03-26 13:36:44,459 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) [2021-03-26 13:36:44,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:44,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:44,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 13:36:44,459 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:44,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:44,460 INFO L82 PathProgramCache]: Analyzing trace with hash 2039164828, now seen corresponding path program 25 times [2021-03-26 13:36:44,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:44,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534508562] [2021-03-26 13:36:44,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:44,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:44,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:44,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:44,477 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:44,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:44,487 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:44,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:44,501 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:44,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:44,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534508562] [2021-03-26 13:36:44,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:44,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:44,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045227956] [2021-03-26 13:36:44,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:44,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:44,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:44,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:44,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:44,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 100 transitions, 2363 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) [2021-03-26 13:36:44,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:44,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:44,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:44,585 INFO L129 PetriNetUnfolder]: 17/409 cut-off events. [2021-03-26 13:36:44,585 INFO L130 PetriNetUnfolder]: For 6685/6798 co-relation queries the response was YES. [2021-03-26 13:36:44,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2418 conditions, 409 events. 17/409 cut-off events. For 6685/6798 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3932 event pairs, 17 based on Foata normal form. 8/401 useless extension candidates. Maximal degree in co-relation 2365. Up to 90 conditions per place. [2021-03-26 13:36:44,587 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 46 selfloop transitions, 44 changer transitions 3/103 dead transitions. [2021-03-26 13:36:44,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 103 transitions, 2561 flow [2021-03-26 13:36:44,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:44,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:44,588 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:44,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,589 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) [2021-03-26 13:36:44,589 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) [2021-03-26 13:36:44,589 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) [2021-03-26 13:36:44,589 INFO L185 Difference]: Start difference. First operand has 146 places, 100 transitions, 2363 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:44,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 103 transitions, 2561 flow [2021-03-26 13:36:44,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 103 transitions, 2468 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:44,609 INFO L241 Difference]: Finished difference. Result has 148 places, 97 transitions, 2273 flow [2021-03-26 13:36:44,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2276, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2273, PETRI_PLACES=148, PETRI_TRANSITIONS=97} [2021-03-26 13:36:44,609 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 116 predicate places. [2021-03-26 13:36:44,609 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:44,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 97 transitions, 2273 flow [2021-03-26 13:36:44,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 97 transitions, 2273 flow [2021-03-26 13:36:44,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 97 transitions, 2273 flow [2021-03-26 13:36:44,634 INFO L129 PetriNetUnfolder]: 0/371 cut-off events. [2021-03-26 13:36:44,634 INFO L130 PetriNetUnfolder]: For 6554/6646 co-relation queries the response was YES. [2021-03-26 13:36:44,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1997 conditions, 371 events. 0/371 cut-off events. For 6554/6646 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3654 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 13:36:44,636 INFO L142 LiptonReduction]: Number of co-enabled transitions 304 [2021-03-26 13:36:44,639 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:44,639 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:44,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 13:36:44,639 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 97 transitions, 2273 flow [2021-03-26 13:36:44,640 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) [2021-03-26 13:36:44,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:44,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:44,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 13:36:44,640 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash 399743908, now seen corresponding path program 26 times [2021-03-26 13:36:44,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:44,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699318147] [2021-03-26 13:36:44,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:44,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:44,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:44,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:44,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:44,667 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:44,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:44,681 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:44,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:44,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699318147] [2021-03-26 13:36:44,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:44,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:44,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751542234] [2021-03-26 13:36:44,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:44,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:44,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:44,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:44,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:44,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 97 transitions, 2273 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) [2021-03-26 13:36:44,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:44,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:44,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:44,784 INFO L129 PetriNetUnfolder]: 17/400 cut-off events. [2021-03-26 13:36:44,785 INFO L130 PetriNetUnfolder]: For 6295/6411 co-relation queries the response was YES. [2021-03-26 13:36:44,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2348 conditions, 400 events. 17/400 cut-off events. For 6295/6411 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3807 event pairs, 17 based on Foata normal form. 9/392 useless extension candidates. Maximal degree in co-relation 2296. Up to 87 conditions per place. [2021-03-26 13:36:44,787 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 58 selfloop transitions, 36 changer transitions 2/106 dead transitions. [2021-03-26 13:36:44,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 106 transitions, 2642 flow [2021-03-26 13:36:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:44,788 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:44,788 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:44,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,788 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) [2021-03-26 13:36:44,789 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) [2021-03-26 13:36:44,789 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) [2021-03-26 13:36:44,789 INFO L185 Difference]: Start difference. First operand has 145 places, 97 transitions, 2273 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:44,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 106 transitions, 2642 flow [2021-03-26 13:36:44,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 106 transitions, 2449 flow, removed 12 selfloop flow, removed 10 redundant places. [2021-03-26 13:36:44,807 INFO L241 Difference]: Finished difference. Result has 143 places, 97 transitions, 2185 flow [2021-03-26 13:36:44,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2185, PETRI_PLACES=143, PETRI_TRANSITIONS=97} [2021-03-26 13:36:44,808 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 111 predicate places. [2021-03-26 13:36:44,808 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:44,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 97 transitions, 2185 flow [2021-03-26 13:36:44,808 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 97 transitions, 2185 flow [2021-03-26 13:36:44,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 97 transitions, 2185 flow [2021-03-26 13:36:44,832 INFO L129 PetriNetUnfolder]: 0/364 cut-off events. [2021-03-26 13:36:44,832 INFO L130 PetriNetUnfolder]: For 5961/6040 co-relation queries the response was YES. [2021-03-26 13:36:44,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1910 conditions, 364 events. 0/364 cut-off events. For 5961/6040 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3567 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-03-26 13:36:44,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 308 [2021-03-26 13:36:44,837 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:44,837 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:44,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 13:36:44,838 INFO L480 AbstractCegarLoop]: Abstraction has has 142 places, 97 transitions, 2185 flow [2021-03-26 13:36:44,838 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) [2021-03-26 13:36:44,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:44,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:44,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 13:36:44,838 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:44,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:44,838 INFO L82 PathProgramCache]: Analyzing trace with hash 598474238, now seen corresponding path program 27 times [2021-03-26 13:36:44,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:44,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768794245] [2021-03-26 13:36:44,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:44,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:44,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:44,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:44,871 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:44,885 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:44,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:44,900 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:44,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:44,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768794245] [2021-03-26 13:36:44,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:44,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:44,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763198662] [2021-03-26 13:36:44,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:44,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:44,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:44,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:44,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:44,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 97 transitions, 2185 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) [2021-03-26 13:36:44,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:44,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:44,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:44,992 INFO L129 PetriNetUnfolder]: 17/393 cut-off events. [2021-03-26 13:36:44,993 INFO L130 PetriNetUnfolder]: For 5669/5790 co-relation queries the response was YES. [2021-03-26 13:36:44,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2252 conditions, 393 events. 17/393 cut-off events. For 5669/5790 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3713 event pairs, 17 based on Foata normal form. 8/385 useless extension candidates. Maximal degree in co-relation 2204. Up to 87 conditions per place. [2021-03-26 13:36:44,994 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 36 changer transitions 2/104 dead transitions. [2021-03-26 13:36:44,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 104 transitions, 2482 flow [2021-03-26 13:36:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:44,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:44,998 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:44,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:44,999 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) [2021-03-26 13:36:45,000 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) [2021-03-26 13:36:45,000 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) [2021-03-26 13:36:45,000 INFO L185 Difference]: Start difference. First operand has 142 places, 97 transitions, 2185 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:45,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 104 transitions, 2482 flow [2021-03-26 13:36:45,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 104 transitions, 2410 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:45,017 INFO L241 Difference]: Finished difference. Result has 146 places, 99 transitions, 2257 flow [2021-03-26 13:36:45,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2119, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2257, PETRI_PLACES=146, PETRI_TRANSITIONS=99} [2021-03-26 13:36:45,017 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 114 predicate places. [2021-03-26 13:36:45,017 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:45,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 99 transitions, 2257 flow [2021-03-26 13:36:45,018 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 99 transitions, 2257 flow [2021-03-26 13:36:45,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 99 transitions, 2257 flow [2021-03-26 13:36:45,041 INFO L129 PetriNetUnfolder]: 0/357 cut-off events. [2021-03-26 13:36:45,041 INFO L130 PetriNetUnfolder]: For 6116/6194 co-relation queries the response was YES. [2021-03-26 13:36:45,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 357 events. 0/357 cut-off events. For 6116/6194 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3481 event pairs, 0 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 13:36:45,043 INFO L142 LiptonReduction]: Number of co-enabled transitions 320 [2021-03-26 13:36:45,047 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:45,047 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:45,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 13:36:45,050 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 99 transitions, 2257 flow [2021-03-26 13:36:45,051 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) [2021-03-26 13:36:45,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:45,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:45,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 13:36:45,051 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:45,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:45,051 INFO L82 PathProgramCache]: Analyzing trace with hash 101524980, now seen corresponding path program 28 times [2021-03-26 13:36:45,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:45,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719594634] [2021-03-26 13:36:45,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:45,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:45,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:45,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:45,073 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:45,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:45,083 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:45,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:45,097 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:45,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:45,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719594634] [2021-03-26 13:36:45,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:45,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:45,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974228162] [2021-03-26 13:36:45,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:45,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:45,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:45,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:45,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:45,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 99 transitions, 2257 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) [2021-03-26 13:36:45,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:45,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:45,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:45,191 INFO L129 PetriNetUnfolder]: 17/386 cut-off events. [2021-03-26 13:36:45,191 INFO L130 PetriNetUnfolder]: For 5810/5926 co-relation queries the response was YES. [2021-03-26 13:36:45,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2239 conditions, 386 events. 17/386 cut-off events. For 5810/5926 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3617 event pairs, 17 based on Foata normal form. 8/378 useless extension candidates. Maximal degree in co-relation 2190. Up to 87 conditions per place. [2021-03-26 13:36:45,195 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 36 changer transitions 3/102 dead transitions. [2021-03-26 13:36:45,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 102 transitions, 2453 flow [2021-03-26 13:36:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:45,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:45,196 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:45,196 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:45,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,196 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) [2021-03-26 13:36:45,197 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) [2021-03-26 13:36:45,197 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) [2021-03-26 13:36:45,197 INFO L185 Difference]: Start difference. First operand has 145 places, 99 transitions, 2257 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:45,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 102 transitions, 2453 flow [2021-03-26 13:36:45,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 102 transitions, 2390 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:45,213 INFO L241 Difference]: Finished difference. Result has 148 places, 96 transitions, 2193 flow [2021-03-26 13:36:45,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2200, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2193, PETRI_PLACES=148, PETRI_TRANSITIONS=96} [2021-03-26 13:36:45,213 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 116 predicate places. [2021-03-26 13:36:45,213 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:45,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 96 transitions, 2193 flow [2021-03-26 13:36:45,213 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 96 transitions, 2193 flow [2021-03-26 13:36:45,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 96 transitions, 2193 flow [2021-03-26 13:36:45,236 INFO L129 PetriNetUnfolder]: 0/349 cut-off events. [2021-03-26 13:36:45,236 INFO L130 PetriNetUnfolder]: For 5896/5974 co-relation queries the response was YES. [2021-03-26 13:36:45,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 349 events. 0/349 cut-off events. For 5896/5974 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3381 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. [2021-03-26 13:36:45,238 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 13:36:45,241 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:45,241 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:45,241 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-26 13:36:45,242 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 96 transitions, 2193 flow [2021-03-26 13:36:45,242 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) [2021-03-26 13:36:45,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:45,242 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:45,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 13:36:45,242 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:45,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:45,242 INFO L82 PathProgramCache]: Analyzing trace with hash 59278978, now seen corresponding path program 29 times [2021-03-26 13:36:45,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:45,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40726545] [2021-03-26 13:36:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:45,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:45,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:45,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:45,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:45,267 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:45,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:45,280 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:45,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:45,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40726545] [2021-03-26 13:36:45,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:45,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:45,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863574057] [2021-03-26 13:36:45,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:45,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:45,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:45,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:45,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:45,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 96 transitions, 2193 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) [2021-03-26 13:36:45,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:45,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:45,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:45,365 INFO L129 PetriNetUnfolder]: 17/378 cut-off events. [2021-03-26 13:36:45,365 INFO L130 PetriNetUnfolder]: For 5604/5723 co-relation queries the response was YES. [2021-03-26 13:36:45,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 378 events. 17/378 cut-off events. For 5604/5723 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3509 event pairs, 17 based on Foata normal form. 9/371 useless extension candidates. Maximal degree in co-relation 2164. Up to 87 conditions per place. [2021-03-26 13:36:45,366 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 33 changer transitions 3/99 dead transitions. [2021-03-26 13:36:45,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 99 transitions, 2383 flow [2021-03-26 13:36:45,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:45,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:45,367 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:45,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,367 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) [2021-03-26 13:36:45,368 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) [2021-03-26 13:36:45,368 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) [2021-03-26 13:36:45,368 INFO L185 Difference]: Start difference. First operand has 147 places, 96 transitions, 2193 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:45,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 99 transitions, 2383 flow [2021-03-26 13:36:45,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 99 transitions, 2311 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:45,384 INFO L241 Difference]: Finished difference. Result has 150 places, 93 transitions, 2115 flow [2021-03-26 13:36:45,384 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2127, 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=2115, PETRI_PLACES=150, PETRI_TRANSITIONS=93} [2021-03-26 13:36:45,385 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 118 predicate places. [2021-03-26 13:36:45,385 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:45,385 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 93 transitions, 2115 flow [2021-03-26 13:36:45,385 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 93 transitions, 2115 flow [2021-03-26 13:36:45,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 93 transitions, 2115 flow [2021-03-26 13:36:45,406 INFO L129 PetriNetUnfolder]: 0/332 cut-off events. [2021-03-26 13:36:45,406 INFO L130 PetriNetUnfolder]: For 5264/5312 co-relation queries the response was YES. [2021-03-26 13:36:45,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1733 conditions, 332 events. 0/332 cut-off events. For 5264/5312 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3194 event pairs, 0 based on Foata normal form. 1/327 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2021-03-26 13:36:45,408 INFO L142 LiptonReduction]: Number of co-enabled transitions 296 [2021-03-26 13:36:45,412 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:45,412 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:45,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-26 13:36:45,413 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 93 transitions, 2115 flow [2021-03-26 13:36:45,413 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) [2021-03-26 13:36:45,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:45,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:45,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 13:36:45,413 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:45,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:45,413 INFO L82 PathProgramCache]: Analyzing trace with hash 839613698, now seen corresponding path program 30 times [2021-03-26 13:36:45,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:45,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347970375] [2021-03-26 13:36:45,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:45,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:45,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:45,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:45,430 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:45,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:45,444 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:45,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:45,459 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:45,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:45,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347970375] [2021-03-26 13:36:45,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:45,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:45,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807150703] [2021-03-26 13:36:45,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:45,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:45,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:45,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:45,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:45,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 93 transitions, 2115 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) [2021-03-26 13:36:45,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:45,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:45,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:45,542 INFO L129 PetriNetUnfolder]: 14/442 cut-off events. [2021-03-26 13:36:45,543 INFO L130 PetriNetUnfolder]: For 5979/6016 co-relation queries the response was YES. [2021-03-26 13:36:45,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2423 conditions, 442 events. 14/442 cut-off events. For 5979/6016 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4400 event pairs, 5 based on Foata normal form. 2/434 useless extension candidates. Maximal degree in co-relation 2375. Up to 96 conditions per place. [2021-03-26 13:36:45,545 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 62 selfloop transitions, 47 changer transitions 2/121 dead transitions. [2021-03-26 13:36:45,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 121 transitions, 2929 flow [2021-03-26 13:36:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:45,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:45,546 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:45,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,547 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) [2021-03-26 13:36:45,548 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) [2021-03-26 13:36:45,548 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) [2021-03-26 13:36:45,548 INFO L185 Difference]: Start difference. First operand has 149 places, 93 transitions, 2115 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:45,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 121 transitions, 2929 flow [2021-03-26 13:36:45,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 121 transitions, 2775 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:45,566 INFO L241 Difference]: Finished difference. Result has 154 places, 99 transitions, 2315 flow [2021-03-26 13:36:45,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2315, PETRI_PLACES=154, PETRI_TRANSITIONS=99} [2021-03-26 13:36:45,566 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 122 predicate places. [2021-03-26 13:36:45,566 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:45,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 99 transitions, 2315 flow [2021-03-26 13:36:45,567 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 99 transitions, 2315 flow [2021-03-26 13:36:45,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 99 transitions, 2315 flow [2021-03-26 13:36:45,601 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 13:36:45,601 INFO L130 PetriNetUnfolder]: For 6842/6919 co-relation queries the response was YES. [2021-03-26 13:36:45,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2092 conditions, 408 events. 0/408 cut-off events. For 6842/6919 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4161 event pairs, 0 based on Foata normal form. 1/396 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 13:36:45,603 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 13:36:45,607 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:45,607 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:45,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 13:36:45,607 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 99 transitions, 2315 flow [2021-03-26 13:36:45,607 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) [2021-03-26 13:36:45,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:45,607 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:45,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 13:36:45,607 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:45,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:45,607 INFO L82 PathProgramCache]: Analyzing trace with hash -457408890, now seen corresponding path program 31 times [2021-03-26 13:36:45,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:45,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956793322] [2021-03-26 13:36:45,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:45,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:45,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:45,622 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:45,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:45,632 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:45,645 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:45,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:45,658 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:45,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:45,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956793322] [2021-03-26 13:36:45,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:45,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:45,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477102049] [2021-03-26 13:36:45,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:45,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:45,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:45,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:45,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:45,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 99 transitions, 2315 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) [2021-03-26 13:36:45,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:45,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:45,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:45,752 INFO L129 PetriNetUnfolder]: 13/482 cut-off events. [2021-03-26 13:36:45,752 INFO L130 PetriNetUnfolder]: For 7112/7124 co-relation queries the response was YES. [2021-03-26 13:36:45,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2685 conditions, 482 events. 13/482 cut-off events. For 7112/7124 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4930 event pairs, 2 based on Foata normal form. 2/474 useless extension candidates. Maximal degree in co-relation 2634. Up to 110 conditions per place. [2021-03-26 13:36:45,754 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 73 selfloop transitions, 47 changer transitions 2/132 dead transitions. [2021-03-26 13:36:45,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 132 transitions, 3247 flow [2021-03-26 13:36:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:45,755 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:45,755 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:45,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,755 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) [2021-03-26 13:36:45,756 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) [2021-03-26 13:36:45,756 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) [2021-03-26 13:36:45,756 INFO L185 Difference]: Start difference. First operand has 153 places, 99 transitions, 2315 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:45,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 132 transitions, 3247 flow [2021-03-26 13:36:45,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 132 transitions, 3194 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:45,776 INFO L241 Difference]: Finished difference. Result has 161 places, 108 transitions, 2656 flow [2021-03-26 13:36:45,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2285, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2656, PETRI_PLACES=161, PETRI_TRANSITIONS=108} [2021-03-26 13:36:45,776 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 129 predicate places. [2021-03-26 13:36:45,776 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:45,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 108 transitions, 2656 flow [2021-03-26 13:36:45,777 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 108 transitions, 2656 flow [2021-03-26 13:36:45,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 108 transitions, 2656 flow [2021-03-26 13:36:45,808 INFO L129 PetriNetUnfolder]: 0/449 cut-off events. [2021-03-26 13:36:45,808 INFO L130 PetriNetUnfolder]: For 8234/8318 co-relation queries the response was YES. [2021-03-26 13:36:45,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2385 conditions, 449 events. 0/449 cut-off events. For 8234/8318 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4700 event pairs, 0 based on Foata normal form. 2/437 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-03-26 13:36:45,810 INFO L142 LiptonReduction]: Number of co-enabled transitions 356 [2021-03-26 13:36:45,814 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:45,814 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:45,814 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 13:36:45,814 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 108 transitions, 2656 flow [2021-03-26 13:36:45,814 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) [2021-03-26 13:36:45,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:45,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:45,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 13:36:45,815 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:45,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:45,815 INFO L82 PathProgramCache]: Analyzing trace with hash -162039226, now seen corresponding path program 32 times [2021-03-26 13:36:45,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:45,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378925374] [2021-03-26 13:36:45,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:45,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:45,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:45,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:45,837 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:45,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:45,852 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:45,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:45,866 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:45,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:45,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378925374] [2021-03-26 13:36:45,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:45,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:45,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263451263] [2021-03-26 13:36:45,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:45,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:45,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:45,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:45,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:45,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 108 transitions, 2656 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) [2021-03-26 13:36:45,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:45,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:45,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:45,964 INFO L129 PetriNetUnfolder]: 10/504 cut-off events. [2021-03-26 13:36:45,964 INFO L130 PetriNetUnfolder]: For 8351/8371 co-relation queries the response was YES. [2021-03-26 13:36:45,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2899 conditions, 504 events. 10/504 cut-off events. For 8351/8371 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5250 event pairs, 6 based on Foata normal form. 2/497 useless extension candidates. Maximal degree in co-relation 2845. Up to 110 conditions per place. [2021-03-26 13:36:45,966 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 56 changer transitions 2/138 dead transitions. [2021-03-26 13:36:45,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 138 transitions, 3568 flow [2021-03-26 13:36:45,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:45,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:45,967 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:45,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:45,967 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) [2021-03-26 13:36:45,967 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) [2021-03-26 13:36:45,968 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) [2021-03-26 13:36:45,968 INFO L185 Difference]: Start difference. First operand has 160 places, 108 transitions, 2656 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:45,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 138 transitions, 3568 flow [2021-03-26 13:36:45,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 138 transitions, 3477 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:45,993 INFO L241 Difference]: Finished difference. Result has 167 places, 115 transitions, 2953 flow [2021-03-26 13:36:45,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2597, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2953, PETRI_PLACES=167, PETRI_TRANSITIONS=115} [2021-03-26 13:36:45,993 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 135 predicate places. [2021-03-26 13:36:45,993 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:45,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 115 transitions, 2953 flow [2021-03-26 13:36:45,994 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 115 transitions, 2953 flow [2021-03-26 13:36:45,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 115 transitions, 2953 flow [2021-03-26 13:36:46,029 INFO L129 PetriNetUnfolder]: 0/477 cut-off events. [2021-03-26 13:36:46,029 INFO L130 PetriNetUnfolder]: For 9511/9619 co-relation queries the response was YES. [2021-03-26 13:36:46,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2606 conditions, 477 events. 0/477 cut-off events. For 9511/9619 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5046 event pairs, 0 based on Foata normal form. 2/466 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-03-26 13:36:46,031 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-26 13:36:46,035 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:46,035 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:46,035 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 13:36:46,037 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 115 transitions, 2953 flow [2021-03-26 13:36:46,037 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) [2021-03-26 13:36:46,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:46,037 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:46,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 13:36:46,037 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:46,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:46,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1065414172, now seen corresponding path program 33 times [2021-03-26 13:36:46,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:46,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637733539] [2021-03-26 13:36:46,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:46,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:46,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:46,059 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:46,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:46,066 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:46,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:46,076 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:46,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:46,095 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:46,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:46,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637733539] [2021-03-26 13:36:46,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:46,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:46,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971484680] [2021-03-26 13:36:46,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:46,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:46,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:46,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:46,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:46,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 115 transitions, 2953 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) [2021-03-26 13:36:46,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:46,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:46,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:46,203 INFO L129 PetriNetUnfolder]: 10/496 cut-off events. [2021-03-26 13:36:46,203 INFO L130 PetriNetUnfolder]: For 9381/9433 co-relation queries the response was YES. [2021-03-26 13:36:46,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2988 conditions, 496 events. 10/496 cut-off events. For 9381/9433 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5149 event pairs, 4 based on Foata normal form. 5/491 useless extension candidates. Maximal degree in co-relation 2931. Up to 95 conditions per place. [2021-03-26 13:36:46,205 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 61 selfloop transitions, 52 changer transitions 2/125 dead transitions. [2021-03-26 13:36:46,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 125 transitions, 3357 flow [2021-03-26 13:36:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:46,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:46,206 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:46,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,206 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) [2021-03-26 13:36:46,207 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) [2021-03-26 13:36:46,207 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) [2021-03-26 13:36:46,207 INFO L185 Difference]: Start difference. First operand has 166 places, 115 transitions, 2953 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:46,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 125 transitions, 3357 flow [2021-03-26 13:36:46,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 125 transitions, 3301 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:46,232 INFO L241 Difference]: Finished difference. Result has 171 places, 115 transitions, 3028 flow [2021-03-26 13:36:46,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2903, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3028, PETRI_PLACES=171, PETRI_TRANSITIONS=115} [2021-03-26 13:36:46,233 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 139 predicate places. [2021-03-26 13:36:46,233 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:46,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 115 transitions, 3028 flow [2021-03-26 13:36:46,233 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 115 transitions, 3028 flow [2021-03-26 13:36:46,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 115 transitions, 3028 flow [2021-03-26 13:36:46,277 INFO L129 PetriNetUnfolder]: 0/472 cut-off events. [2021-03-26 13:36:46,277 INFO L130 PetriNetUnfolder]: For 9980/10081 co-relation queries the response was YES. [2021-03-26 13:36:46,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2649 conditions, 472 events. 0/472 cut-off events. For 9980/10081 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4960 event pairs, 0 based on Foata normal form. 2/461 useless extension candidates. Maximal degree in co-relation 0. Up to 58 conditions per place. [2021-03-26 13:36:46,280 INFO L142 LiptonReduction]: Number of co-enabled transitions 376 [2021-03-26 13:36:46,283 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:46,283 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:46,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 13:36:46,283 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 115 transitions, 3028 flow [2021-03-26 13:36:46,284 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) [2021-03-26 13:36:46,284 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:46,284 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:46,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 13:36:46,284 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:46,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:46,284 INFO L82 PathProgramCache]: Analyzing trace with hash -379426554, now seen corresponding path program 34 times [2021-03-26 13:36:46,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:46,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875586312] [2021-03-26 13:36:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:46,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:46,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:46,295 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:46,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:46,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:46,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:46,309 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:46,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:46,322 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:46,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:46,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875586312] [2021-03-26 13:36:46,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:46,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:46,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405319765] [2021-03-26 13:36:46,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:46,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:46,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:46,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:46,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:46,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 115 transitions, 3028 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) [2021-03-26 13:36:46,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:46,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:46,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:46,440 INFO L129 PetriNetUnfolder]: 10/491 cut-off events. [2021-03-26 13:36:46,440 INFO L130 PetriNetUnfolder]: For 9846/9924 co-relation queries the response was YES. [2021-03-26 13:36:46,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3030 conditions, 491 events. 10/491 cut-off events. For 9846/9924 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5072 event pairs, 4 based on Foata normal form. 12/494 useless extension candidates. Maximal degree in co-relation 2973. Up to 95 conditions per place. [2021-03-26 13:36:46,441 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 61 selfloop transitions, 51 changer transitions 1/123 dead transitions. [2021-03-26 13:36:46,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 123 transitions, 3377 flow [2021-03-26 13:36:46,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:46,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:46,442 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:46,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,443 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) [2021-03-26 13:36:46,443 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) [2021-03-26 13:36:46,443 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) [2021-03-26 13:36:46,443 INFO L185 Difference]: Start difference. First operand has 169 places, 115 transitions, 3028 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:46,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 123 transitions, 3377 flow [2021-03-26 13:36:46,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 123 transitions, 3262 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:46,469 INFO L241 Difference]: Finished difference. Result has 173 places, 115 transitions, 3032 flow [2021-03-26 13:36:46,469 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2925, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3032, PETRI_PLACES=173, PETRI_TRANSITIONS=115} [2021-03-26 13:36:46,469 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 141 predicate places. [2021-03-26 13:36:46,469 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:46,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 115 transitions, 3032 flow [2021-03-26 13:36:46,470 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 115 transitions, 3032 flow [2021-03-26 13:36:46,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 115 transitions, 3032 flow [2021-03-26 13:36:46,503 INFO L129 PetriNetUnfolder]: 0/467 cut-off events. [2021-03-26 13:36:46,503 INFO L130 PetriNetUnfolder]: For 9671/9772 co-relation queries the response was YES. [2021-03-26 13:36:46,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2634 conditions, 467 events. 0/467 cut-off events. For 9671/9772 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4920 event pairs, 0 based on Foata normal form. 2/456 useless extension candidates. Maximal degree in co-relation 0. Up to 57 conditions per place. [2021-03-26 13:36:46,506 INFO L142 LiptonReduction]: Number of co-enabled transitions 374 [2021-03-26 13:36:46,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:46,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:46,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 13:36:46,509 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 115 transitions, 3032 flow [2021-03-26 13:36:46,510 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) [2021-03-26 13:36:46,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:46,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:46,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 13:36:46,510 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:46,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:46,510 INFO L82 PathProgramCache]: Analyzing trace with hash 413059018, now seen corresponding path program 35 times [2021-03-26 13:36:46,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:46,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884632891] [2021-03-26 13:36:46,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:46,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:46,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:46,525 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:46,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:46,532 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:46,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:46,542 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:46,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:46,556 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:46,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:46,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884632891] [2021-03-26 13:36:46,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:46,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:46,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509627243] [2021-03-26 13:36:46,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:46,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:46,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:46,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:46,572 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:46,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 115 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) [2021-03-26 13:36:46,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:46,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:46,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:46,718 INFO L129 PetriNetUnfolder]: 10/486 cut-off events. [2021-03-26 13:36:46,718 INFO L130 PetriNetUnfolder]: For 9648/9726 co-relation queries the response was YES. [2021-03-26 13:36:46,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3013 conditions, 486 events. 10/486 cut-off events. For 9648/9726 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5010 event pairs, 4 based on Foata normal form. 12/489 useless extension candidates. Maximal degree in co-relation 2956. Up to 95 conditions per place. [2021-03-26 13:36:46,720 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 61 selfloop transitions, 50 changer transitions 1/122 dead transitions. [2021-03-26 13:36:46,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 122 transitions, 3347 flow [2021-03-26 13:36:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:46,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:46,721 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:46,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,721 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) [2021-03-26 13:36:46,722 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) [2021-03-26 13:36:46,722 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) [2021-03-26 13:36:46,722 INFO L185 Difference]: Start difference. First operand has 171 places, 115 transitions, 3032 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:46,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 122 transitions, 3347 flow [2021-03-26 13:36:46,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 122 transitions, 3286 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:46,749 INFO L241 Difference]: Finished difference. Result has 176 places, 115 transitions, 3075 flow [2021-03-26 13:36:46,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2977, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3075, PETRI_PLACES=176, PETRI_TRANSITIONS=115} [2021-03-26 13:36:46,749 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 144 predicate places. [2021-03-26 13:36:46,749 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:46,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 115 transitions, 3075 flow [2021-03-26 13:36:46,750 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 115 transitions, 3075 flow [2021-03-26 13:36:46,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 115 transitions, 3075 flow [2021-03-26 13:36:46,784 INFO L129 PetriNetUnfolder]: 0/463 cut-off events. [2021-03-26 13:36:46,784 INFO L130 PetriNetUnfolder]: For 10086/10202 co-relation queries the response was YES. [2021-03-26 13:36:46,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2656 conditions, 463 events. 0/463 cut-off events. For 10086/10202 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4843 event pairs, 0 based on Foata normal form. 2/452 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2021-03-26 13:36:46,787 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-26 13:36:46,791 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:46,791 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:46,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 13:36:46,792 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 115 transitions, 3075 flow [2021-03-26 13:36:46,792 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) [2021-03-26 13:36:46,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:46,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:46,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 13:36:46,793 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:46,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:46,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1702322208, now seen corresponding path program 36 times [2021-03-26 13:36:46,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:46,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146632896] [2021-03-26 13:36:46,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:46,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:46,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:46,806 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:46,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:46,812 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:46,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:46,820 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:46,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:46,838 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:46,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:46,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:46,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146632896] [2021-03-26 13:36:46,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:46,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:46,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95367127] [2021-03-26 13:36:46,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:46,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:46,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:46,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:46,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:46,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 115 transitions, 3075 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) [2021-03-26 13:36:46,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:46,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:46,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:46,946 INFO L129 PetriNetUnfolder]: 10/482 cut-off events. [2021-03-26 13:36:46,946 INFO L130 PetriNetUnfolder]: For 9718/9770 co-relation queries the response was YES. [2021-03-26 13:36:46,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3037 conditions, 482 events. 10/482 cut-off events. For 9718/9770 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4956 event pairs, 4 based on Foata normal form. 5/478 useless extension candidates. Maximal degree in co-relation 2979. Up to 95 conditions per place. [2021-03-26 13:36:46,948 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 60 selfloop transitions, 50 changer transitions 1/121 dead transitions. [2021-03-26 13:36:46,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 121 transitions, 3363 flow [2021-03-26 13:36:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:46,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:46,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:46,951 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:46,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:46,952 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) [2021-03-26 13:36:46,952 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) [2021-03-26 13:36:46,952 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) [2021-03-26 13:36:46,952 INFO L185 Difference]: Start difference. First operand has 174 places, 115 transitions, 3075 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:46,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 121 transitions, 3363 flow [2021-03-26 13:36:46,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 121 transitions, 3223 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:46,979 INFO L241 Difference]: Finished difference. Result has 177 places, 115 transitions, 3052 flow [2021-03-26 13:36:46,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2941, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3052, PETRI_PLACES=177, PETRI_TRANSITIONS=115} [2021-03-26 13:36:46,979 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 145 predicate places. [2021-03-26 13:36:46,979 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:46,979 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 115 transitions, 3052 flow [2021-03-26 13:36:46,980 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 115 transitions, 3052 flow [2021-03-26 13:36:46,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 115 transitions, 3052 flow [2021-03-26 13:36:47,024 INFO L129 PetriNetUnfolder]: 0/458 cut-off events. [2021-03-26 13:36:47,025 INFO L130 PetriNetUnfolder]: For 10147/10263 co-relation queries the response was YES. [2021-03-26 13:36:47,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2635 conditions, 458 events. 0/458 cut-off events. For 10147/10263 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4816 event pairs, 0 based on Foata normal form. 2/451 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-03-26 13:36:47,028 INFO L142 LiptonReduction]: Number of co-enabled transitions 368 [2021-03-26 13:36:47,031 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:47,031 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:47,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-26 13:36:47,032 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 115 transitions, 3052 flow [2021-03-26 13:36:47,032 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) [2021-03-26 13:36:47,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:47,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:47,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 13:36:47,032 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:47,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:47,032 INFO L82 PathProgramCache]: Analyzing trace with hash 729602336, now seen corresponding path program 37 times [2021-03-26 13:36:47,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:47,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763272981] [2021-03-26 13:36:47,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:47,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:47,045 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:47,057 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:47,071 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:47,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:47,090 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:47,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:47,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763272981] [2021-03-26 13:36:47,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:47,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:47,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408101581] [2021-03-26 13:36:47,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:47,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:47,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:47,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:47,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:47,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 115 transitions, 3052 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) [2021-03-26 13:36:47,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:47,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:47,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:47,198 INFO L129 PetriNetUnfolder]: 10/477 cut-off events. [2021-03-26 13:36:47,198 INFO L130 PetriNetUnfolder]: For 9812/9882 co-relation queries the response was YES. [2021-03-26 13:36:47,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3010 conditions, 477 events. 10/477 cut-off events. For 9812/9882 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4883 event pairs, 4 based on Foata normal form. 7/476 useless extension candidates. Maximal degree in co-relation 2951. Up to 109 conditions per place. [2021-03-26 13:36:47,200 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 71 selfloop transitions, 52 changer transitions 5/138 dead transitions. [2021-03-26 13:36:47,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 138 transitions, 3862 flow [2021-03-26 13:36:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:47,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:47,201 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:47,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,201 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) [2021-03-26 13:36:47,201 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) [2021-03-26 13:36:47,202 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) [2021-03-26 13:36:47,202 INFO L185 Difference]: Start difference. First operand has 175 places, 115 transitions, 3052 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:47,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 138 transitions, 3862 flow [2021-03-26 13:36:47,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 138 transitions, 3760 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:47,231 INFO L241 Difference]: Finished difference. Result has 183 places, 120 transitions, 3283 flow [2021-03-26 13:36:47,231 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2974, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3283, PETRI_PLACES=183, PETRI_TRANSITIONS=120} [2021-03-26 13:36:47,231 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 151 predicate places. [2021-03-26 13:36:47,231 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:47,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 120 transitions, 3283 flow [2021-03-26 13:36:47,232 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 120 transitions, 3283 flow [2021-03-26 13:36:47,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 120 transitions, 3283 flow [2021-03-26 13:36:47,269 INFO L129 PetriNetUnfolder]: 0/444 cut-off events. [2021-03-26 13:36:47,269 INFO L130 PetriNetUnfolder]: For 10351/10456 co-relation queries the response was YES. [2021-03-26 13:36:47,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2604 conditions, 444 events. 0/444 cut-off events. For 10351/10456 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4600 event pairs, 0 based on Foata normal form. 3/439 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 13:36:47,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-26 13:36:47,275 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:47,275 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:47,275 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-26 13:36:47,275 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 120 transitions, 3283 flow [2021-03-26 13:36:47,276 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) [2021-03-26 13:36:47,276 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:47,276 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:47,276 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 13:36:47,276 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:47,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:47,276 INFO L82 PathProgramCache]: Analyzing trace with hash 2087269092, now seen corresponding path program 38 times [2021-03-26 13:36:47,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:47,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568139649] [2021-03-26 13:36:47,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:47,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:47,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:47,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:47,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:47,292 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:47,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:47,301 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:47,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:47,319 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:47,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:47,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568139649] [2021-03-26 13:36:47,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:47,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:47,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219582962] [2021-03-26 13:36:47,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:47,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:47,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:47,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:47,335 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:47,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 120 transitions, 3283 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) [2021-03-26 13:36:47,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:47,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:47,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:47,430 INFO L129 PetriNetUnfolder]: 10/463 cut-off events. [2021-03-26 13:36:47,430 INFO L130 PetriNetUnfolder]: For 10181/10251 co-relation queries the response was YES. [2021-03-26 13:36:47,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2980 conditions, 463 events. 10/463 cut-off events. For 10181/10251 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4711 event pairs, 4 based on Foata normal form. 8/463 useless extension candidates. Maximal degree in co-relation 2917. Up to 94 conditions per place. [2021-03-26 13:36:47,432 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 62 selfloop transitions, 49 changer transitions 3/124 dead transitions. [2021-03-26 13:36:47,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 124 transitions, 3537 flow [2021-03-26 13:36:47,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:47,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:47,433 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:47,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,434 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) [2021-03-26 13:36:47,436 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) [2021-03-26 13:36:47,436 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) [2021-03-26 13:36:47,436 INFO L185 Difference]: Start difference. First operand has 182 places, 120 transitions, 3283 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:47,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 124 transitions, 3537 flow [2021-03-26 13:36:47,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 124 transitions, 3453 flow, removed 27 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:47,466 INFO L241 Difference]: Finished difference. Result has 186 places, 117 transitions, 3201 flow [2021-03-26 13:36:47,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3205, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3201, PETRI_PLACES=186, PETRI_TRANSITIONS=117} [2021-03-26 13:36:47,467 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 154 predicate places. [2021-03-26 13:36:47,467 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:47,467 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 117 transitions, 3201 flow [2021-03-26 13:36:47,467 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 117 transitions, 3201 flow [2021-03-26 13:36:47,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 117 transitions, 3201 flow [2021-03-26 13:36:47,500 INFO L129 PetriNetUnfolder]: 0/431 cut-off events. [2021-03-26 13:36:47,500 INFO L130 PetriNetUnfolder]: For 9819/9923 co-relation queries the response was YES. [2021-03-26 13:36:47,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2528 conditions, 431 events. 0/431 cut-off events. For 9819/9923 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4427 event pairs, 0 based on Foata normal form. 1/426 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 13:36:47,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-26 13:36:47,505 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:47,505 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:47,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 13:36:47,506 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 117 transitions, 3201 flow [2021-03-26 13:36:47,506 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) [2021-03-26 13:36:47,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:47,506 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:47,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 13:36:47,506 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:47,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:47,506 INFO L82 PathProgramCache]: Analyzing trace with hash -709222330, now seen corresponding path program 39 times [2021-03-26 13:36:47,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:47,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197025770] [2021-03-26 13:36:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:47,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:47,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:47,524 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:47,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:47,535 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:47,545 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:47,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:47,557 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:47,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:47,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197025770] [2021-03-26 13:36:47,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:47,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:47,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537383830] [2021-03-26 13:36:47,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:47,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:47,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:47,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:47,572 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:47,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 117 transitions, 3201 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) [2021-03-26 13:36:47,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:47,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:47,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:47,675 INFO L129 PetriNetUnfolder]: 10/450 cut-off events. [2021-03-26 13:36:47,675 INFO L130 PetriNetUnfolder]: For 9608/9641 co-relation queries the response was YES. [2021-03-26 13:36:47,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2901 conditions, 450 events. 10/450 cut-off events. For 9608/9641 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4537 event pairs, 4 based on Foata normal form. 5/449 useless extension candidates. Maximal degree in co-relation 2839. Up to 104 conditions per place. [2021-03-26 13:36:47,676 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 52 changer transitions 2/128 dead transitions. [2021-03-26 13:36:47,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 128 transitions, 3667 flow [2021-03-26 13:36:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:47,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:47,677 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:47,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,677 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) [2021-03-26 13:36:47,678 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) [2021-03-26 13:36:47,678 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) [2021-03-26 13:36:47,678 INFO L185 Difference]: Start difference. First operand has 184 places, 117 transitions, 3201 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:47,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 128 transitions, 3667 flow [2021-03-26 13:36:47,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 128 transitions, 3566 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:47,707 INFO L241 Difference]: Finished difference. Result has 187 places, 121 transitions, 3376 flow [2021-03-26 13:36:47,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3111, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3376, PETRI_PLACES=187, PETRI_TRANSITIONS=121} [2021-03-26 13:36:47,707 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 155 predicate places. [2021-03-26 13:36:47,707 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:47,707 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 121 transitions, 3376 flow [2021-03-26 13:36:47,707 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 121 transitions, 3376 flow [2021-03-26 13:36:47,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 186 places, 121 transitions, 3376 flow [2021-03-26 13:36:47,739 INFO L129 PetriNetUnfolder]: 0/426 cut-off events. [2021-03-26 13:36:47,739 INFO L130 PetriNetUnfolder]: For 9998/10100 co-relation queries the response was YES. [2021-03-26 13:36:47,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2539 conditions, 426 events. 0/426 cut-off events. For 9998/10100 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4349 event pairs, 0 based on Foata normal form. 1/423 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 13:36:47,741 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-26 13:36:47,745 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:47,745 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:47,745 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 13:36:47,745 INFO L480 AbstractCegarLoop]: Abstraction has has 186 places, 121 transitions, 3376 flow [2021-03-26 13:36:47,746 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) [2021-03-26 13:36:47,746 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:47,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:47,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 13:36:47,746 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:47,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:47,746 INFO L82 PathProgramCache]: Analyzing trace with hash 2107271776, now seen corresponding path program 40 times [2021-03-26 13:36:47,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:47,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402944676] [2021-03-26 13:36:47,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:47,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:47,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:47,765 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:47,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:47,776 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:47,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:47,785 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:47,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:47,798 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:47,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:47,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402944676] [2021-03-26 13:36:47,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:47,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:47,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310885868] [2021-03-26 13:36:47,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:47,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:47,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:47,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:47,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:47,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 121 transitions, 3376 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) [2021-03-26 13:36:47,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:47,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:47,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:47,900 INFO L129 PetriNetUnfolder]: 10/445 cut-off events. [2021-03-26 13:36:47,900 INFO L130 PetriNetUnfolder]: For 9807/9840 co-relation queries the response was YES. [2021-03-26 13:36:47,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2911 conditions, 445 events. 10/445 cut-off events. For 9807/9840 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4459 event pairs, 4 based on Foata normal form. 5/445 useless extension candidates. Maximal degree in co-relation 2850. Up to 104 conditions per place. [2021-03-26 13:36:47,902 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 49 changer transitions 3/126 dead transitions. [2021-03-26 13:36:47,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 126 transitions, 3648 flow [2021-03-26 13:36:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:47,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:47,903 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:47,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:47,903 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) [2021-03-26 13:36:47,904 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) [2021-03-26 13:36:47,904 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) [2021-03-26 13:36:47,904 INFO L185 Difference]: Start difference. First operand has 186 places, 121 transitions, 3376 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:47,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 126 transitions, 3648 flow [2021-03-26 13:36:47,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 126 transitions, 3558 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:47,931 INFO L241 Difference]: Finished difference. Result has 190 places, 118 transitions, 3298 flow [2021-03-26 13:36:47,932 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3292, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3298, PETRI_PLACES=190, PETRI_TRANSITIONS=118} [2021-03-26 13:36:47,932 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 158 predicate places. [2021-03-26 13:36:47,932 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:47,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 118 transitions, 3298 flow [2021-03-26 13:36:47,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 118 transitions, 3298 flow [2021-03-26 13:36:47,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 118 transitions, 3298 flow [2021-03-26 13:36:47,963 INFO L129 PetriNetUnfolder]: 0/417 cut-off events. [2021-03-26 13:36:47,964 INFO L130 PetriNetUnfolder]: For 9745/9847 co-relation queries the response was YES. [2021-03-26 13:36:47,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2504 conditions, 417 events. 0/417 cut-off events. For 9745/9847 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4252 event pairs, 0 based on Foata normal form. 1/414 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 13:36:47,966 INFO L142 LiptonReduction]: Number of co-enabled transitions 346 [2021-03-26 13:36:47,969 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:47,970 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:47,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 13:36:47,970 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 118 transitions, 3298 flow [2021-03-26 13:36:47,970 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) [2021-03-26 13:36:47,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:47,970 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:47,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 13:36:47,970 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:47,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:47,970 INFO L82 PathProgramCache]: Analyzing trace with hash 465414300, now seen corresponding path program 41 times [2021-03-26 13:36:47,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:47,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773656371] [2021-03-26 13:36:47,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:47,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:47,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:47,981 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:47,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:47,997 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:47,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:48,012 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:48,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:48,029 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:48,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:48,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773656371] [2021-03-26 13:36:48,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:48,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:48,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622219480] [2021-03-26 13:36:48,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:48,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:48,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:48,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:48,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:48,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 118 transitions, 3298 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) [2021-03-26 13:36:48,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:48,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:48,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:48,121 INFO L129 PetriNetUnfolder]: 10/436 cut-off events. [2021-03-26 13:36:48,121 INFO L130 PetriNetUnfolder]: For 9644/9677 co-relation queries the response was YES. [2021-03-26 13:36:48,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2874 conditions, 436 events. 10/436 cut-off events. For 9644/9677 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4316 event pairs, 4 based on Foata normal form. 5/436 useless extension candidates. Maximal degree in co-relation 2813. Up to 104 conditions per place. [2021-03-26 13:36:48,123 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 66 selfloop transitions, 46 changer transitions 3/125 dead transitions. [2021-03-26 13:36:48,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 125 transitions, 3648 flow [2021-03-26 13:36:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:48,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:48,124 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:48,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:48,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:48,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:48,124 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) [2021-03-26 13:36:48,125 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) [2021-03-26 13:36:48,125 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) [2021-03-26 13:36:48,125 INFO L185 Difference]: Start difference. First operand has 189 places, 118 transitions, 3298 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:48,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 125 transitions, 3648 flow [2021-03-26 13:36:48,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 125 transitions, 3546 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:48,154 INFO L241 Difference]: Finished difference. Result has 193 places, 117 transitions, 3302 flow [2021-03-26 13:36:48,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3204, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3302, PETRI_PLACES=193, PETRI_TRANSITIONS=117} [2021-03-26 13:36:48,154 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 161 predicate places. [2021-03-26 13:36:48,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:48,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 117 transitions, 3302 flow [2021-03-26 13:36:48,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 117 transitions, 3302 flow [2021-03-26 13:36:48,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 191 places, 117 transitions, 3302 flow [2021-03-26 13:36:48,185 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 13:36:48,185 INFO L130 PetriNetUnfolder]: For 9808/9920 co-relation queries the response was YES. [2021-03-26 13:36:48,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2461 conditions, 408 events. 0/408 cut-off events. For 9808/9920 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4121 event pairs, 0 based on Foata normal form. 2/404 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 13:36:48,188 INFO L142 LiptonReduction]: Number of co-enabled transitions 336 [2021-03-26 13:36:48,191 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:48,191 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:48,191 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 13:36:48,192 INFO L480 AbstractCegarLoop]: Abstraction has has 191 places, 117 transitions, 3302 flow [2021-03-26 13:36:48,192 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) [2021-03-26 13:36:48,192 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:48,192 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:48,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 13:36:48,192 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:48,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:48,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1757922050, now seen corresponding path program 42 times [2021-03-26 13:36:48,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:48,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364388829] [2021-03-26 13:36:48,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:48,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:48,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:48,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:48,214 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:48,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:48,231 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:48,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:48,245 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:48,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:48,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364388829] [2021-03-26 13:36:48,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:48,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:48,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340505322] [2021-03-26 13:36:48,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:48,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:48,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:48,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:48,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:48,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 117 transitions, 3302 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) [2021-03-26 13:36:48,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:48,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:48,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:48,367 INFO L129 PetriNetUnfolder]: 4/538 cut-off events. [2021-03-26 13:36:48,367 INFO L130 PetriNetUnfolder]: For 12020/12057 co-relation queries the response was YES. [2021-03-26 13:36:48,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3453 conditions, 538 events. 4/538 cut-off events. For 12020/12057 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5721 event pairs, 4 based on Foata normal form. 6/538 useless extension candidates. Maximal degree in co-relation 3391. Up to 118 conditions per place. [2021-03-26 13:36:48,369 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 86 selfloop transitions, 52 changer transitions 2/150 dead transitions. [2021-03-26 13:36:48,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 150 transitions, 4567 flow [2021-03-26 13:36:48,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:48,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:48,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:48,371 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:48,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,372 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) [2021-03-26 13:36:48,372 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) [2021-03-26 13:36:48,372 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) [2021-03-26 13:36:48,372 INFO L185 Difference]: Start difference. First operand has 191 places, 117 transitions, 3302 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:48,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 150 transitions, 4567 flow [2021-03-26 13:36:48,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 150 transitions, 4431 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:48,407 INFO L241 Difference]: Finished difference. Result has 197 places, 128 transitions, 3746 flow [2021-03-26 13:36:48,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3202, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3746, PETRI_PLACES=197, PETRI_TRANSITIONS=128} [2021-03-26 13:36:48,407 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 165 predicate places. [2021-03-26 13:36:48,407 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:48,407 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 128 transitions, 3746 flow [2021-03-26 13:36:48,407 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 128 transitions, 3746 flow [2021-03-26 13:36:48,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 128 transitions, 3746 flow [2021-03-26 13:36:48,448 INFO L129 PetriNetUnfolder]: 0/523 cut-off events. [2021-03-26 13:36:48,448 INFO L130 PetriNetUnfolder]: For 12508/12539 co-relation queries the response was YES. [2021-03-26 13:36:48,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3161 conditions, 523 events. 0/523 cut-off events. For 12508/12539 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5626 event pairs, 0 based on Foata normal form. 0/515 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2021-03-26 13:36:48,451 INFO L142 LiptonReduction]: Number of co-enabled transitions 340 [2021-03-26 13:36:48,455 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:48,455 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:48,455 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 13:36:48,455 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 128 transitions, 3746 flow [2021-03-26 13:36:48,455 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) [2021-03-26 13:36:48,456 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:48,456 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:48,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 13:36:48,456 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:48,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:48,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1188715296, now seen corresponding path program 43 times [2021-03-26 13:36:48,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:48,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527737381] [2021-03-26 13:36:48,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:48,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:48,474 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:48,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:48,491 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:48,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:48,505 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:48,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:48,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527737381] [2021-03-26 13:36:48,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:48,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:48,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254847425] [2021-03-26 13:36:48,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:48,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:48,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:48,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:48,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:48,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 128 transitions, 3746 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) [2021-03-26 13:36:48,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:48,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:48,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:48,608 INFO L129 PetriNetUnfolder]: 4/530 cut-off events. [2021-03-26 13:36:48,608 INFO L130 PetriNetUnfolder]: For 12574/12630 co-relation queries the response was YES. [2021-03-26 13:36:48,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3462 conditions, 530 events. 4/530 cut-off events. For 12574/12630 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5589 event pairs, 1 based on Foata normal form. 1/525 useless extension candidates. Maximal degree in co-relation 3397. Up to 115 conditions per place. [2021-03-26 13:36:48,610 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 96 selfloop transitions, 50 changer transitions 2/158 dead transitions. [2021-03-26 13:36:48,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 158 transitions, 4842 flow [2021-03-26 13:36:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:48,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:48,617 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:48,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,618 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) [2021-03-26 13:36:48,618 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) [2021-03-26 13:36:48,618 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) [2021-03-26 13:36:48,618 INFO L185 Difference]: Start difference. First operand has 196 places, 128 transitions, 3746 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:48,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 158 transitions, 4842 flow [2021-03-26 13:36:48,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 158 transitions, 4760 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:48,656 INFO L241 Difference]: Finished difference. Result has 203 places, 139 transitions, 4193 flow [2021-03-26 13:36:48,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3685, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4193, PETRI_PLACES=203, PETRI_TRANSITIONS=139} [2021-03-26 13:36:48,657 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 171 predicate places. [2021-03-26 13:36:48,657 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:48,657 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 139 transitions, 4193 flow [2021-03-26 13:36:48,657 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 139 transitions, 4193 flow [2021-03-26 13:36:48,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 139 transitions, 4193 flow [2021-03-26 13:36:48,708 INFO L129 PetriNetUnfolder]: 0/515 cut-off events. [2021-03-26 13:36:48,708 INFO L130 PetriNetUnfolder]: For 13222/13255 co-relation queries the response was YES. [2021-03-26 13:36:48,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3211 conditions, 515 events. 0/515 cut-off events. For 13222/13255 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5510 event pairs, 0 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 0. Up to 62 conditions per place. [2021-03-26 13:36:48,711 INFO L142 LiptonReduction]: Number of co-enabled transitions 360 [2021-03-26 13:36:48,715 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:48,715 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:48,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 13:36:48,715 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 139 transitions, 4193 flow [2021-03-26 13:36:48,716 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) [2021-03-26 13:36:48,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:48,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:48,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 13:36:48,716 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:48,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:48,716 INFO L82 PathProgramCache]: Analyzing trace with hash -957488872, now seen corresponding path program 44 times [2021-03-26 13:36:48,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:48,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427424337] [2021-03-26 13:36:48,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:48,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:48,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:48,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:48,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:48,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:48,755 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:48,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:48,769 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:48,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:48,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427424337] [2021-03-26 13:36:48,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:48,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:48,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624480741] [2021-03-26 13:36:48,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:48,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:48,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:48,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:48,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:48,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 139 transitions, 4193 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) [2021-03-26 13:36:48,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:48,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:48,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:48,885 INFO L129 PetriNetUnfolder]: 4/522 cut-off events. [2021-03-26 13:36:48,886 INFO L130 PetriNetUnfolder]: For 13409/13475 co-relation queries the response was YES. [2021-03-26 13:36:48,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3511 conditions, 522 events. 4/522 cut-off events. For 13409/13475 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5500 event pairs, 4 based on Foata normal form. 8/525 useless extension candidates. Maximal degree in co-relation 3443. Up to 117 conditions per place. [2021-03-26 13:36:48,887 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 64 changer transitions 2/146 dead transitions. [2021-03-26 13:36:48,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 146 transitions, 4594 flow [2021-03-26 13:36:48,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:48,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:48,888 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:48,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:48,889 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) [2021-03-26 13:36:48,889 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) [2021-03-26 13:36:48,889 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) [2021-03-26 13:36:48,889 INFO L185 Difference]: Start difference. First operand has 202 places, 139 transitions, 4193 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:48,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 146 transitions, 4594 flow [2021-03-26 13:36:48,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 146 transitions, 4553 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:48,928 INFO L241 Difference]: Finished difference. Result has 208 places, 140 transitions, 4351 flow [2021-03-26 13:36:48,928 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4159, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4351, PETRI_PLACES=208, PETRI_TRANSITIONS=140} [2021-03-26 13:36:48,928 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 176 predicate places. [2021-03-26 13:36:48,928 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:48,928 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 140 transitions, 4351 flow [2021-03-26 13:36:48,928 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 140 transitions, 4351 flow [2021-03-26 13:36:48,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 140 transitions, 4351 flow [2021-03-26 13:36:48,970 INFO L129 PetriNetUnfolder]: 0/507 cut-off events. [2021-03-26 13:36:48,970 INFO L130 PetriNetUnfolder]: For 13821/13860 co-relation queries the response was YES. [2021-03-26 13:36:48,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3243 conditions, 507 events. 0/507 cut-off events. For 13821/13860 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5386 event pairs, 0 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 0. Up to 61 conditions per place. [2021-03-26 13:36:48,973 INFO L142 LiptonReduction]: Number of co-enabled transitions 354 [2021-03-26 13:36:48,977 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:48,977 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:48,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 13:36:48,978 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 140 transitions, 4351 flow [2021-03-26 13:36:48,978 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) [2021-03-26 13:36:48,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:48,978 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:48,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 13:36:48,978 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:48,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:48,978 INFO L82 PathProgramCache]: Analyzing trace with hash 2003101314, now seen corresponding path program 45 times [2021-03-26 13:36:48,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:48,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639648600] [2021-03-26 13:36:48,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:48,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:48,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:48,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:48,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:49,007 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:49,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:49,024 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:49,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:49,038 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:49,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639648600] [2021-03-26 13:36:49,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:49,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:49,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152302023] [2021-03-26 13:36:49,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:49,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:49,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:49,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:49,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:49,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 140 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) [2021-03-26 13:36:49,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:49,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:49,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:49,147 INFO L129 PetriNetUnfolder]: 4/514 cut-off events. [2021-03-26 13:36:49,147 INFO L130 PetriNetUnfolder]: For 14037/14120 co-relation queries the response was YES. [2021-03-26 13:36:49,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3540 conditions, 514 events. 4/514 cut-off events. For 14037/14120 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5378 event pairs, 4 based on Foata normal form. 11/520 useless extension candidates. Maximal degree in co-relation 3471. Up to 117 conditions per place. [2021-03-26 13:36:49,149 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 69 selfloop transitions, 61 changer transitions 3/143 dead transitions. [2021-03-26 13:36:49,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 143 transitions, 4648 flow [2021-03-26 13:36:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:49,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:49,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:49,150 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:49,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:49,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:49,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:49,151 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) [2021-03-26 13:36:49,151 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) [2021-03-26 13:36:49,151 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) [2021-03-26 13:36:49,151 INFO L185 Difference]: Start difference. First operand has 207 places, 140 transitions, 4351 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:49,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 143 transitions, 4648 flow [2021-03-26 13:36:49,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 143 transitions, 4546 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:49,191 INFO L241 Difference]: Finished difference. Result has 212 places, 138 transitions, 4313 flow [2021-03-26 13:36:49,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4253, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4313, PETRI_PLACES=212, PETRI_TRANSITIONS=138} [2021-03-26 13:36:49,191 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 180 predicate places. [2021-03-26 13:36:49,191 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:49,192 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 138 transitions, 4313 flow [2021-03-26 13:36:49,192 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 138 transitions, 4313 flow [2021-03-26 13:36:49,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 138 transitions, 4313 flow [2021-03-26 13:36:49,233 INFO L129 PetriNetUnfolder]: 0/497 cut-off events. [2021-03-26 13:36:49,233 INFO L130 PetriNetUnfolder]: For 13529/13561 co-relation queries the response was YES. [2021-03-26 13:36:49,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3209 conditions, 497 events. 0/497 cut-off events. For 13529/13561 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5246 event pairs, 0 based on Foata normal form. 0/490 useless extension candidates. Maximal degree in co-relation 0. Up to 60 conditions per place. [2021-03-26 13:36:49,236 INFO L142 LiptonReduction]: Number of co-enabled transitions 350 [2021-03-26 13:36:49,257 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:49,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:49,258 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 13:36:49,258 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 138 transitions, 4313 flow [2021-03-26 13:36:49,258 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) [2021-03-26 13:36:49,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:49,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:49,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 13:36:49,258 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:49,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:49,258 INFO L82 PathProgramCache]: Analyzing trace with hash 704895976, now seen corresponding path program 46 times [2021-03-26 13:36:49,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:49,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238719069] [2021-03-26 13:36:49,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:49,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:49,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:49,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:49,275 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:49,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:49,284 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:49,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:49,299 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:49,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:49,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238719069] [2021-03-26 13:36:49,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:49,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:49,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273248879] [2021-03-26 13:36:49,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:49,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:49,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:49,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:49,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:49,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 138 transitions, 4313 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) [2021-03-26 13:36:49,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:49,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:49,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:49,402 INFO L129 PetriNetUnfolder]: 4/504 cut-off events. [2021-03-26 13:36:49,402 INFO L130 PetriNetUnfolder]: For 13719/13776 co-relation queries the response was YES. [2021-03-26 13:36:49,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3501 conditions, 504 events. 4/504 cut-off events. For 13719/13776 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5265 event pairs, 4 based on Foata normal form. 7/506 useless extension candidates. Maximal degree in co-relation 3431. Up to 115 conditions per place. [2021-03-26 13:36:49,404 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 81 selfloop transitions, 57 changer transitions 2/150 dead transitions. [2021-03-26 13:36:49,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 150 transitions, 4881 flow [2021-03-26 13:36:49,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:49,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:49,405 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:49,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:49,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:49,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:49,406 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) [2021-03-26 13:36:49,406 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) [2021-03-26 13:36:49,406 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) [2021-03-26 13:36:49,406 INFO L185 Difference]: Start difference. First operand has 210 places, 138 transitions, 4313 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:49,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 150 transitions, 4881 flow [2021-03-26 13:36:49,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 150 transitions, 4743 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:49,451 INFO L241 Difference]: Finished difference. Result has 214 places, 140 transitions, 4392 flow [2021-03-26 13:36:49,451 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4185, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4392, PETRI_PLACES=214, PETRI_TRANSITIONS=140} [2021-03-26 13:36:49,452 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 182 predicate places. [2021-03-26 13:36:49,452 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:49,452 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 140 transitions, 4392 flow [2021-03-26 13:36:49,452 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 140 transitions, 4392 flow [2021-03-26 13:36:49,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 140 transitions, 4392 flow [2021-03-26 13:36:49,493 INFO L129 PetriNetUnfolder]: 0/489 cut-off events. [2021-03-26 13:36:49,493 INFO L130 PetriNetUnfolder]: For 13623/13654 co-relation queries the response was YES. [2021-03-26 13:36:49,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3184 conditions, 489 events. 0/489 cut-off events. For 13623/13654 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5169 event pairs, 0 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-03-26 13:36:49,495 INFO L142 LiptonReduction]: Number of co-enabled transitions 358 [2021-03-26 13:36:49,500 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:49,500 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:49,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 13:36:49,501 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 140 transitions, 4392 flow [2021-03-26 13:36:49,501 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) [2021-03-26 13:36:49,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:49,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:49,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 13:36:49,501 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:49,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:49,501 INFO L82 PathProgramCache]: Analyzing trace with hash -2031431656, now seen corresponding path program 47 times [2021-03-26 13:36:49,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:49,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840565530] [2021-03-26 13:36:49,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:49,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:49,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:49,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:49,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:49,530 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:49,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:49,542 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:49,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:49,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840565530] [2021-03-26 13:36:49,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:49,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:49,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498473476] [2021-03-26 13:36:49,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:49,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:49,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:49,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:49,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:49,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 140 transitions, 4392 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) [2021-03-26 13:36:49,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:49,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:49,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:49,657 INFO L129 PetriNetUnfolder]: 4/496 cut-off events. [2021-03-26 13:36:49,657 INFO L130 PetriNetUnfolder]: For 13821/13878 co-relation queries the response was YES. [2021-03-26 13:36:49,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3473 conditions, 496 events. 4/496 cut-off events. For 13821/13878 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5175 event pairs, 4 based on Foata normal form. 7/498 useless extension candidates. Maximal degree in co-relation 3402. Up to 115 conditions per place. [2021-03-26 13:36:49,659 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 54 changer transitions 3/147 dead transitions. [2021-03-26 13:36:49,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 147 transitions, 4827 flow [2021-03-26 13:36:49,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:49,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:49,660 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:49,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:49,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:49,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:49,660 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) [2021-03-26 13:36:49,660 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) [2021-03-26 13:36:49,660 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) [2021-03-26 13:36:49,660 INFO L185 Difference]: Start difference. First operand has 213 places, 140 transitions, 4392 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:49,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 147 transitions, 4827 flow [2021-03-26 13:36:49,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 147 transitions, 4740 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:49,704 INFO L241 Difference]: Finished difference. Result has 218 places, 138 transitions, 4360 flow [2021-03-26 13:36:49,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4309, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4360, PETRI_PLACES=218, PETRI_TRANSITIONS=138} [2021-03-26 13:36:49,704 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 186 predicate places. [2021-03-26 13:36:49,704 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:49,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 138 transitions, 4360 flow [2021-03-26 13:36:49,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 138 transitions, 4360 flow [2021-03-26 13:36:49,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 138 transitions, 4360 flow [2021-03-26 13:36:49,744 INFO L129 PetriNetUnfolder]: 0/480 cut-off events. [2021-03-26 13:36:49,745 INFO L130 PetriNetUnfolder]: For 13526/13557 co-relation queries the response was YES. [2021-03-26 13:36:49,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3158 conditions, 480 events. 0/480 cut-off events. For 13526/13557 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5046 event pairs, 0 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 0. Up to 58 conditions per place. [2021-03-26 13:36:49,747 INFO L142 LiptonReduction]: Number of co-enabled transitions 354 [2021-03-26 13:36:49,752 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:49,752 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:49,752 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 13:36:49,752 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 138 transitions, 4360 flow [2021-03-26 13:36:49,752 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) [2021-03-26 13:36:49,752 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:49,752 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:49,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 13:36:49,752 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:49,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:49,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1086420380, now seen corresponding path program 48 times [2021-03-26 13:36:49,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:49,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899658218] [2021-03-26 13:36:49,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:49,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:49,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:49,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:49,777 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:49,790 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:49,808 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:49,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899658218] [2021-03-26 13:36:49,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:49,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:49,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294207201] [2021-03-26 13:36:49,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:49,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:49,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:49,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:49,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:49,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 138 transitions, 4360 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) [2021-03-26 13:36:49,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:49,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:49,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:49,913 INFO L129 PetriNetUnfolder]: 4/487 cut-off events. [2021-03-26 13:36:49,913 INFO L130 PetriNetUnfolder]: For 13711/13766 co-relation queries the response was YES. [2021-03-26 13:36:49,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3443 conditions, 487 events. 4/487 cut-off events. For 13711/13766 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5035 event pairs, 4 based on Foata normal form. 6/488 useless extension candidates. Maximal degree in co-relation 3371. Up to 115 conditions per place. [2021-03-26 13:36:49,915 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 72 selfloop transitions, 60 changer transitions 3/145 dead transitions. [2021-03-26 13:36:49,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 145 transitions, 4766 flow [2021-03-26 13:36:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:49,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:49,916 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:49,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:49,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:49,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:49,916 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) [2021-03-26 13:36:49,917 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) [2021-03-26 13:36:49,917 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) [2021-03-26 13:36:49,917 INFO L185 Difference]: Start difference. First operand has 216 places, 138 transitions, 4360 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:49,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 145 transitions, 4766 flow [2021-03-26 13:36:49,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 145 transitions, 4648 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:49,958 INFO L241 Difference]: Finished difference. Result has 218 places, 135 transitions, 4266 flow [2021-03-26 13:36:49,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4248, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4266, PETRI_PLACES=218, PETRI_TRANSITIONS=135} [2021-03-26 13:36:49,958 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 186 predicate places. [2021-03-26 13:36:49,958 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:49,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 135 transitions, 4266 flow [2021-03-26 13:36:49,959 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 135 transitions, 4266 flow [2021-03-26 13:36:49,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 135 transitions, 4266 flow [2021-03-26 13:36:49,997 INFO L129 PetriNetUnfolder]: 0/471 cut-off events. [2021-03-26 13:36:49,997 INFO L130 PetriNetUnfolder]: For 13142/13173 co-relation queries the response was YES. [2021-03-26 13:36:49,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3104 conditions, 471 events. 0/471 cut-off events. For 13142/13173 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4925 event pairs, 0 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 0. Up to 57 conditions per place. [2021-03-26 13:36:50,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 342 [2021-03-26 13:36:50,004 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:50,004 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:50,004 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 13:36:50,004 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 135 transitions, 4266 flow [2021-03-26 13:36:50,005 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) [2021-03-26 13:36:50,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:50,005 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:50,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 13:36:50,005 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:50,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:50,005 INFO L82 PathProgramCache]: Analyzing trace with hash -203140674, now seen corresponding path program 49 times [2021-03-26 13:36:50,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:50,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214622740] [2021-03-26 13:36:50,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:50,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:50,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:50,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:50,021 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:50,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:50,030 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:50,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:50,043 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:50,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:50,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214622740] [2021-03-26 13:36:50,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:50,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:50,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153632033] [2021-03-26 13:36:50,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:50,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:50,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:50,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:50,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:50,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 135 transitions, 4266 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) [2021-03-26 13:36:50,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:50,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:50,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:50,150 INFO L129 PetriNetUnfolder]: 4/478 cut-off events. [2021-03-26 13:36:50,151 INFO L130 PetriNetUnfolder]: For 13283/13334 co-relation queries the response was YES. [2021-03-26 13:36:50,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3385 conditions, 478 events. 4/478 cut-off events. For 13283/13334 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4917 event pairs, 4 based on Foata normal form. 6/479 useless extension candidates. Maximal degree in co-relation 3314. Up to 115 conditions per place. [2021-03-26 13:36:50,152 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 72 selfloop transitions, 58 changer transitions 2/142 dead transitions. [2021-03-26 13:36:50,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 142 transitions, 4666 flow [2021-03-26 13:36:50,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:50,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:50,153 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:50,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,153 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) [2021-03-26 13:36:50,153 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) [2021-03-26 13:36:50,153 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) [2021-03-26 13:36:50,154 INFO L185 Difference]: Start difference. First operand has 216 places, 135 transitions, 4266 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:50,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 142 transitions, 4666 flow [2021-03-26 13:36:50,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 142 transitions, 4558 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:50,193 INFO L241 Difference]: Finished difference. Result has 218 places, 137 transitions, 4354 flow [2021-03-26 13:36:50,193 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4164, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4354, PETRI_PLACES=218, PETRI_TRANSITIONS=137} [2021-03-26 13:36:50,193 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 186 predicate places. [2021-03-26 13:36:50,193 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:50,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 137 transitions, 4354 flow [2021-03-26 13:36:50,194 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 137 transitions, 4354 flow [2021-03-26 13:36:50,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 137 transitions, 4354 flow [2021-03-26 13:36:50,232 INFO L129 PetriNetUnfolder]: 0/465 cut-off events. [2021-03-26 13:36:50,232 INFO L130 PetriNetUnfolder]: For 12990/13018 co-relation queries the response was YES. [2021-03-26 13:36:50,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3095 conditions, 465 events. 0/465 cut-off events. For 12990/13018 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4847 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. [2021-03-26 13:36:50,234 INFO L142 LiptonReduction]: Number of co-enabled transitions 338 [2021-03-26 13:36:50,239 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:50,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:50,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 13:36:50,239 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 137 transitions, 4354 flow [2021-03-26 13:36:50,239 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) [2021-03-26 13:36:50,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:50,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:50,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 13:36:50,239 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:50,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:50,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1062376156, now seen corresponding path program 50 times [2021-03-26 13:36:50,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:50,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200877300] [2021-03-26 13:36:50,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:50,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:50,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:50,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:50,264 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:50,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:50,278 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:50,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:50,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200877300] [2021-03-26 13:36:50,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:50,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:50,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97398472] [2021-03-26 13:36:50,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:50,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:50,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:50,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:50,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:50,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 137 transitions, 4354 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) [2021-03-26 13:36:50,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:50,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:50,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:50,376 INFO L129 PetriNetUnfolder]: 4/472 cut-off events. [2021-03-26 13:36:50,376 INFO L130 PetriNetUnfolder]: For 13156/13209 co-relation queries the response was YES. [2021-03-26 13:36:50,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3373 conditions, 472 events. 4/472 cut-off events. For 13156/13209 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4835 event pairs, 4 based on Foata normal form. 7/474 useless extension candidates. Maximal degree in co-relation 3304. Up to 115 conditions per place. [2021-03-26 13:36:50,378 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 56 changer transitions 4/140 dead transitions. [2021-03-26 13:36:50,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 140 transitions, 4626 flow [2021-03-26 13:36:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:50,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:50,378 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:50,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,379 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) [2021-03-26 13:36:50,379 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) [2021-03-26 13:36:50,379 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) [2021-03-26 13:36:50,379 INFO L185 Difference]: Start difference. First operand has 216 places, 137 transitions, 4354 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:50,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 140 transitions, 4626 flow [2021-03-26 13:36:50,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 140 transitions, 4459 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:50,417 INFO L241 Difference]: Finished difference. Result has 217 places, 133 transitions, 4170 flow [2021-03-26 13:36:50,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4193, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4170, PETRI_PLACES=217, PETRI_TRANSITIONS=133} [2021-03-26 13:36:50,417 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 185 predicate places. [2021-03-26 13:36:50,417 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:50,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 133 transitions, 4170 flow [2021-03-26 13:36:50,417 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 133 transitions, 4170 flow [2021-03-26 13:36:50,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 215 places, 133 transitions, 4170 flow [2021-03-26 13:36:50,453 INFO L129 PetriNetUnfolder]: 0/455 cut-off events. [2021-03-26 13:36:50,454 INFO L130 PetriNetUnfolder]: For 12414/12445 co-relation queries the response was YES. [2021-03-26 13:36:50,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2985 conditions, 455 events. 0/455 cut-off events. For 12414/12445 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4699 event pairs, 0 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-03-26 13:36:50,456 INFO L142 LiptonReduction]: Number of co-enabled transitions 320 [2021-03-26 13:36:50,460 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:50,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:50,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 13:36:50,461 INFO L480 AbstractCegarLoop]: Abstraction has has 215 places, 133 transitions, 4170 flow [2021-03-26 13:36:50,461 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) [2021-03-26 13:36:50,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:50,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:50,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 13:36:50,461 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:50,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:50,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1442096254, now seen corresponding path program 51 times [2021-03-26 13:36:50,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:50,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432102437] [2021-03-26 13:36:50,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:50,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:50,479 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:50,488 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:50,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:50,502 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:50,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:50,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432102437] [2021-03-26 13:36:50,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:50,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:50,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486942254] [2021-03-26 13:36:50,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:50,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:50,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:50,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:50,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:50,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 133 transitions, 4170 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) [2021-03-26 13:36:50,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:50,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:50,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:50,609 INFO L129 PetriNetUnfolder]: 4/462 cut-off events. [2021-03-26 13:36:50,609 INFO L130 PetriNetUnfolder]: For 12548/12597 co-relation queries the response was YES. [2021-03-26 13:36:50,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3258 conditions, 462 events. 4/462 cut-off events. For 12548/12597 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4713 event pairs, 4 based on Foata normal form. 6/463 useless extension candidates. Maximal degree in co-relation 3190. Up to 109 conditions per place. [2021-03-26 13:36:50,611 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 82 selfloop transitions, 52 changer transitions 2/146 dead transitions. [2021-03-26 13:36:50,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 146 transitions, 4782 flow [2021-03-26 13:36:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:50,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:50,611 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:50,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,612 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) [2021-03-26 13:36:50,612 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) [2021-03-26 13:36:50,612 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) [2021-03-26 13:36:50,612 INFO L185 Difference]: Start difference. First operand has 215 places, 133 transitions, 4170 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:50,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 146 transitions, 4782 flow [2021-03-26 13:36:50,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 146 transitions, 4637 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:50,649 INFO L241 Difference]: Finished difference. Result has 219 places, 137 transitions, 4315 flow [2021-03-26 13:36:50,649 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4041, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4315, PETRI_PLACES=219, PETRI_TRANSITIONS=137} [2021-03-26 13:36:50,649 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 187 predicate places. [2021-03-26 13:36:50,649 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:50,649 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 137 transitions, 4315 flow [2021-03-26 13:36:50,649 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 137 transitions, 4315 flow [2021-03-26 13:36:50,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 137 transitions, 4315 flow [2021-03-26 13:36:50,685 INFO L129 PetriNetUnfolder]: 0/447 cut-off events. [2021-03-26 13:36:50,685 INFO L130 PetriNetUnfolder]: For 12279/12306 co-relation queries the response was YES. [2021-03-26 13:36:50,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2947 conditions, 447 events. 0/447 cut-off events. For 12279/12306 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4619 event pairs, 0 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 13:36:50,687 INFO L142 LiptonReduction]: Number of co-enabled transitions 326 [2021-03-26 13:36:50,692 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:50,692 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:50,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 13:36:50,692 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 137 transitions, 4315 flow [2021-03-26 13:36:50,692 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) [2021-03-26 13:36:50,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:50,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:50,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 13:36:50,693 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:50,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:50,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1979130362, now seen corresponding path program 52 times [2021-03-26 13:36:50,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:50,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723015629] [2021-03-26 13:36:50,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:50,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:50,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:50,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:50,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:50,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:50,718 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:50,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:50,731 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:50,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:50,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723015629] [2021-03-26 13:36:50,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:50,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:50,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326737329] [2021-03-26 13:36:50,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:50,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:50,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:50,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:50,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:50,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 137 transitions, 4315 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) [2021-03-26 13:36:50,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:50,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:50,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:50,833 INFO L129 PetriNetUnfolder]: 4/454 cut-off events. [2021-03-26 13:36:50,833 INFO L130 PetriNetUnfolder]: For 12407/12456 co-relation queries the response was YES. [2021-03-26 13:36:50,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3215 conditions, 454 events. 4/454 cut-off events. For 12407/12456 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4612 event pairs, 4 based on Foata normal form. 5/454 useless extension candidates. Maximal degree in co-relation 3146. Up to 109 conditions per place. [2021-03-26 13:36:50,834 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 82 selfloop transitions, 49 changer transitions 3/144 dead transitions. [2021-03-26 13:36:50,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 144 transitions, 4711 flow [2021-03-26 13:36:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:50,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:50,835 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:50,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:50,836 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) [2021-03-26 13:36:50,836 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) [2021-03-26 13:36:50,836 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) [2021-03-26 13:36:50,836 INFO L185 Difference]: Start difference. First operand has 218 places, 137 transitions, 4315 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:50,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 144 transitions, 4711 flow [2021-03-26 13:36:50,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 144 transitions, 4654 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:50,874 INFO L241 Difference]: Finished difference. Result has 222 places, 134 transitions, 4260 flow [2021-03-26 13:36:50,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4264, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4260, PETRI_PLACES=222, PETRI_TRANSITIONS=134} [2021-03-26 13:36:50,874 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 190 predicate places. [2021-03-26 13:36:50,875 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:50,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 134 transitions, 4260 flow [2021-03-26 13:36:50,875 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 134 transitions, 4260 flow [2021-03-26 13:36:50,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 134 transitions, 4260 flow [2021-03-26 13:36:50,910 INFO L129 PetriNetUnfolder]: 0/438 cut-off events. [2021-03-26 13:36:50,910 INFO L130 PetriNetUnfolder]: For 12065/12100 co-relation queries the response was YES. [2021-03-26 13:36:50,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2938 conditions, 438 events. 0/438 cut-off events. For 12065/12100 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4488 event pairs, 0 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 13:36:50,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 326 [2021-03-26 13:36:50,917 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:50,917 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:50,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 13:36:50,917 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 134 transitions, 4260 flow [2021-03-26 13:36:50,917 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) [2021-03-26 13:36:50,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:50,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:50,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 13:36:50,917 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:50,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:50,918 INFO L82 PathProgramCache]: Analyzing trace with hash 2012160412, now seen corresponding path program 53 times [2021-03-26 13:36:50,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:50,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217885826] [2021-03-26 13:36:50,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:50,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:50,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:50,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:50,938 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:50,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:50,954 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:50,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:50,967 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:50,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:50,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217885826] [2021-03-26 13:36:50,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:50,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:50,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143592665] [2021-03-26 13:36:50,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:50,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:50,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:50,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:50,980 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:50,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 134 transitions, 4260 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) [2021-03-26 13:36:50,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:50,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:50,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:51,065 INFO L129 PetriNetUnfolder]: 4/445 cut-off events. [2021-03-26 13:36:51,065 INFO L130 PetriNetUnfolder]: For 12161/12213 co-relation queries the response was YES. [2021-03-26 13:36:51,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3202 conditions, 445 events. 4/445 cut-off events. For 12161/12213 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4492 event pairs, 4 based on Foata normal form. 5/445 useless extension candidates. Maximal degree in co-relation 3134. Up to 109 conditions per place. [2021-03-26 13:36:51,067 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 48 changer transitions 3/141 dead transitions. [2021-03-26 13:36:51,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 141 transitions, 4650 flow [2021-03-26 13:36:51,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:51,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:51,068 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:51,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,068 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) [2021-03-26 13:36:51,069 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) [2021-03-26 13:36:51,069 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) [2021-03-26 13:36:51,069 INFO L185 Difference]: Start difference. First operand has 221 places, 134 transitions, 4260 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:51,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 141 transitions, 4650 flow [2021-03-26 13:36:51,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 141 transitions, 4553 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:51,107 INFO L241 Difference]: Finished difference. Result has 224 places, 131 transitions, 4164 flow [2021-03-26 13:36:51,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4169, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4164, PETRI_PLACES=224, PETRI_TRANSITIONS=131} [2021-03-26 13:36:51,108 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 192 predicate places. [2021-03-26 13:36:51,108 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:51,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 131 transitions, 4164 flow [2021-03-26 13:36:51,108 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 131 transitions, 4164 flow [2021-03-26 13:36:51,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 131 transitions, 4164 flow [2021-03-26 13:36:51,152 INFO L129 PetriNetUnfolder]: 0/429 cut-off events. [2021-03-26 13:36:51,152 INFO L130 PetriNetUnfolder]: For 11798/11832 co-relation queries the response was YES. [2021-03-26 13:36:51,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2883 conditions, 429 events. 0/429 cut-off events. For 11798/11832 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4380 event pairs, 0 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 13:36:51,154 INFO L142 LiptonReduction]: Number of co-enabled transitions 326 [2021-03-26 13:36:51,158 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:51,158 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:51,159 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-26 13:36:51,159 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 131 transitions, 4164 flow [2021-03-26 13:36:51,159 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) [2021-03-26 13:36:51,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:51,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:51,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 13:36:51,159 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:51,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash -86033836, now seen corresponding path program 54 times [2021-03-26 13:36:51,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:51,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439734332] [2021-03-26 13:36:51,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:51,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:51,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:51,177 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:51,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:51,185 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:51,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:51,198 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:51,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:51,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439734332] [2021-03-26 13:36:51,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:51,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:51,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907487614] [2021-03-26 13:36:51,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:51,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:51,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:51,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:51,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:51,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 131 transitions, 4164 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) [2021-03-26 13:36:51,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:51,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:51,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:51,308 INFO L129 PetriNetUnfolder]: 4/436 cut-off events. [2021-03-26 13:36:51,308 INFO L130 PetriNetUnfolder]: For 11910/11964 co-relation queries the response was YES. [2021-03-26 13:36:51,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 436 events. 4/436 cut-off events. For 11910/11964 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4366 event pairs, 4 based on Foata normal form. 6/437 useless extension candidates. Maximal degree in co-relation 3075. Up to 109 conditions per place. [2021-03-26 13:36:51,309 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 76 selfloop transitions, 50 changer transitions 2/138 dead transitions. [2021-03-26 13:36:51,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 138 transitions, 4548 flow [2021-03-26 13:36:51,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:51,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:51,314 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:51,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,317 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) [2021-03-26 13:36:51,317 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) [2021-03-26 13:36:51,317 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) [2021-03-26 13:36:51,317 INFO L185 Difference]: Start difference. First operand has 222 places, 131 transitions, 4164 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:51,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 138 transitions, 4548 flow [2021-03-26 13:36:51,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 138 transitions, 4430 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:51,355 INFO L241 Difference]: Finished difference. Result has 225 places, 133 transitions, 4204 flow [2021-03-26 13:36:51,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4052, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4204, PETRI_PLACES=225, PETRI_TRANSITIONS=133} [2021-03-26 13:36:51,355 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 193 predicate places. [2021-03-26 13:36:51,355 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:51,355 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 133 transitions, 4204 flow [2021-03-26 13:36:51,356 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 133 transitions, 4204 flow [2021-03-26 13:36:51,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 133 transitions, 4204 flow [2021-03-26 13:36:51,389 INFO L129 PetriNetUnfolder]: 0/423 cut-off events. [2021-03-26 13:36:51,390 INFO L130 PetriNetUnfolder]: For 11770/11804 co-relation queries the response was YES. [2021-03-26 13:36:51,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2830 conditions, 423 events. 0/423 cut-off events. For 11770/11804 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4301 event pairs, 0 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 13:36:51,392 INFO L142 LiptonReduction]: Number of co-enabled transitions 318 [2021-03-26 13:36:51,396 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:51,396 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:51,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 13:36:51,396 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 133 transitions, 4204 flow [2021-03-26 13:36:51,396 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) [2021-03-26 13:36:51,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:51,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:51,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 13:36:51,397 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:51,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:51,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1220887942, now seen corresponding path program 55 times [2021-03-26 13:36:51,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:51,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523695614] [2021-03-26 13:36:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:51,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:51,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:51,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:51,413 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:51,423 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:51,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:51,436 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:51,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:51,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523695614] [2021-03-26 13:36:51,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:51,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:51,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188241252] [2021-03-26 13:36:51,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:51,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:51,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:51,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:51,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:51,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 133 transitions, 4204 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) [2021-03-26 13:36:51,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:51,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:51,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:51,545 INFO L129 PetriNetUnfolder]: 4/430 cut-off events. [2021-03-26 13:36:51,546 INFO L130 PetriNetUnfolder]: For 11883/11935 co-relation queries the response was YES. [2021-03-26 13:36:51,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3087 conditions, 430 events. 4/430 cut-off events. For 11883/11935 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4306 event pairs, 4 based on Foata normal form. 5/430 useless extension candidates. Maximal degree in co-relation 3018. Up to 109 conditions per place. [2021-03-26 13:36:51,547 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 47 changer transitions 4/136 dead transitions. [2021-03-26 13:36:51,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 136 transitions, 4468 flow [2021-03-26 13:36:51,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:51,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:51,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:51,547 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:51,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,548 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) [2021-03-26 13:36:51,548 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) [2021-03-26 13:36:51,548 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) [2021-03-26 13:36:51,548 INFO L185 Difference]: Start difference. First operand has 223 places, 133 transitions, 4204 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:51,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 136 transitions, 4468 flow [2021-03-26 13:36:51,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 136 transitions, 4342 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:51,584 INFO L241 Difference]: Finished difference. Result has 226 places, 129 transitions, 4044 flow [2021-03-26 13:36:51,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4084, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4044, PETRI_PLACES=226, PETRI_TRANSITIONS=129} [2021-03-26 13:36:51,584 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 194 predicate places. [2021-03-26 13:36:51,584 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:51,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 226 places, 129 transitions, 4044 flow [2021-03-26 13:36:51,584 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 226 places, 129 transitions, 4044 flow [2021-03-26 13:36:51,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 224 places, 129 transitions, 4044 flow [2021-03-26 13:36:51,616 INFO L129 PetriNetUnfolder]: 0/412 cut-off events. [2021-03-26 13:36:51,616 INFO L130 PetriNetUnfolder]: For 11231/11256 co-relation queries the response was YES. [2021-03-26 13:36:51,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2725 conditions, 412 events. 0/412 cut-off events. For 11231/11256 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4153 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 13:36:51,618 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 13:36:51,622 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:51,623 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:51,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 13:36:51,623 INFO L480 AbstractCegarLoop]: Abstraction has has 224 places, 129 transitions, 4044 flow [2021-03-26 13:36:51,623 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) [2021-03-26 13:36:51,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:51,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:51,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 13:36:51,623 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:51,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:51,623 INFO L82 PathProgramCache]: Analyzing trace with hash 585935550, now seen corresponding path program 56 times [2021-03-26 13:36:51,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:51,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120807587] [2021-03-26 13:36:51,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:51,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:51,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:51,633 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:51,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:51,643 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:51,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:51,653 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:51,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:51,665 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:51,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:51,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120807587] [2021-03-26 13:36:51,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:51,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:51,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89494506] [2021-03-26 13:36:51,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:51,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:51,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:51,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:51,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:51,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 129 transitions, 4044 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) [2021-03-26 13:36:51,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:51,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:51,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:51,766 INFO L129 PetriNetUnfolder]: 4/419 cut-off events. [2021-03-26 13:36:51,766 INFO L130 PetriNetUnfolder]: For 11282/11308 co-relation queries the response was YES. [2021-03-26 13:36:51,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2976 conditions, 419 events. 4/419 cut-off events. For 11282/11308 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4189 event pairs, 0 based on Foata normal form. 6/423 useless extension candidates. Maximal degree in co-relation 2907. Up to 76 conditions per place. [2021-03-26 13:36:51,768 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 72 selfloop transitions, 57 changer transitions 1/140 dead transitions. [2021-03-26 13:36:51,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 140 transitions, 4513 flow [2021-03-26 13:36:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:51,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:51,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:51,768 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:51,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,769 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) [2021-03-26 13:36:51,769 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) [2021-03-26 13:36:51,769 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) [2021-03-26 13:36:51,769 INFO L185 Difference]: Start difference. First operand has 224 places, 129 transitions, 4044 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:51,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 140 transitions, 4513 flow [2021-03-26 13:36:51,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 140 transitions, 4359 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:51,804 INFO L241 Difference]: Finished difference. Result has 227 places, 129 transitions, 4021 flow [2021-03-26 13:36:51,805 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3902, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4021, PETRI_PLACES=227, PETRI_TRANSITIONS=129} [2021-03-26 13:36:51,805 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 195 predicate places. [2021-03-26 13:36:51,805 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:51,805 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 129 transitions, 4021 flow [2021-03-26 13:36:51,805 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 129 transitions, 4021 flow [2021-03-26 13:36:51,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 129 transitions, 4021 flow [2021-03-26 13:36:51,837 INFO L129 PetriNetUnfolder]: 0/408 cut-off events. [2021-03-26 13:36:51,837 INFO L130 PetriNetUnfolder]: For 11117/11148 co-relation queries the response was YES. [2021-03-26 13:36:51,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2682 conditions, 408 events. 0/408 cut-off events. For 11117/11148 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4122 event pairs, 0 based on Foata normal form. 0/405 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:51,839 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-26 13:36:51,843 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:51,843 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:51,843 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 13:36:51,844 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 129 transitions, 4021 flow [2021-03-26 13:36:51,844 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) [2021-03-26 13:36:51,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:51,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:51,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 13:36:51,844 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:51,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:51,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1327633620, now seen corresponding path program 57 times [2021-03-26 13:36:51,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:51,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827474389] [2021-03-26 13:36:51,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:51,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:51,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:51,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:51,859 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:51,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:51,869 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:51,882 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:51,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:51,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827474389] [2021-03-26 13:36:51,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:51,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:51,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238654260] [2021-03-26 13:36:51,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:51,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:51,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:51,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:51,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:51,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 129 transitions, 4021 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) [2021-03-26 13:36:51,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:51,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:51,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:51,992 INFO L129 PetriNetUnfolder]: 4/415 cut-off events. [2021-03-26 13:36:51,992 INFO L130 PetriNetUnfolder]: For 11104/11107 co-relation queries the response was YES. [2021-03-26 13:36:51,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2935 conditions, 415 events. 4/415 cut-off events. For 11104/11107 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4117 event pairs, 0 based on Foata normal form. 1/415 useless extension candidates. Maximal degree in co-relation 2865. Up to 80 conditions per place. [2021-03-26 13:36:51,993 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 73 selfloop transitions, 54 changer transitions 2/139 dead transitions. [2021-03-26 13:36:51,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 139 transitions, 4446 flow [2021-03-26 13:36:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:51,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:51,994 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:51,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:51,994 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) [2021-03-26 13:36:51,995 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) [2021-03-26 13:36:51,995 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) [2021-03-26 13:36:51,995 INFO L185 Difference]: Start difference. First operand has 225 places, 129 transitions, 4021 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:51,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 139 transitions, 4446 flow [2021-03-26 13:36:52,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 139 transitions, 4370 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:52,031 INFO L241 Difference]: Finished difference. Result has 230 places, 128 transitions, 4027 flow [2021-03-26 13:36:52,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3951, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4027, PETRI_PLACES=230, PETRI_TRANSITIONS=128} [2021-03-26 13:36:52,031 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 198 predicate places. [2021-03-26 13:36:52,031 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:52,031 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 128 transitions, 4027 flow [2021-03-26 13:36:52,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 128 transitions, 4027 flow [2021-03-26 13:36:52,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 128 transitions, 4027 flow [2021-03-26 13:36:52,064 INFO L129 PetriNetUnfolder]: 0/400 cut-off events. [2021-03-26 13:36:52,064 INFO L130 PetriNetUnfolder]: For 10779/10810 co-relation queries the response was YES. [2021-03-26 13:36:52,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2659 conditions, 400 events. 0/400 cut-off events. For 10779/10810 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3984 event pairs, 0 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 13:36:52,066 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-26 13:36:52,070 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:52,070 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:52,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 13:36:52,070 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 128 transitions, 4027 flow [2021-03-26 13:36:52,071 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) [2021-03-26 13:36:52,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:52,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:52,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 13:36:52,071 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:52,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:52,071 INFO L82 PathProgramCache]: Analyzing trace with hash -5454224, now seen corresponding path program 58 times [2021-03-26 13:36:52,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:52,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085023064] [2021-03-26 13:36:52,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:52,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:52,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:52,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:52,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:52,087 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:52,097 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:52,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:52,110 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:52,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:52,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085023064] [2021-03-26 13:36:52,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:52,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:52,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517114762] [2021-03-26 13:36:52,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:52,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:52,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:52,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:52,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:52,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 128 transitions, 4027 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) [2021-03-26 13:36:52,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:52,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:52,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:52,218 INFO L129 PetriNetUnfolder]: 3/423 cut-off events. [2021-03-26 13:36:52,218 INFO L130 PetriNetUnfolder]: For 11349/11375 co-relation queries the response was YES. [2021-03-26 13:36:52,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2998 conditions, 423 events. 3/423 cut-off events. For 11349/11375 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4207 event pairs, 1 based on Foata normal form. 3/424 useless extension candidates. Maximal degree in co-relation 2928. Up to 89 conditions per place. [2021-03-26 13:36:52,219 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 85 selfloop transitions, 49 changer transitions 3/147 dead transitions. [2021-03-26 13:36:52,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 147 transitions, 4760 flow [2021-03-26 13:36:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:52,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:52,220 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:52,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,220 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) [2021-03-26 13:36:52,221 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) [2021-03-26 13:36:52,221 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) [2021-03-26 13:36:52,221 INFO L185 Difference]: Start difference. First operand has 228 places, 128 transitions, 4027 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:52,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 147 transitions, 4760 flow [2021-03-26 13:36:52,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 147 transitions, 4629 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:52,257 INFO L241 Difference]: Finished difference. Result has 234 places, 136 transitions, 4320 flow [2021-03-26 13:36:52,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3919, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4320, PETRI_PLACES=234, PETRI_TRANSITIONS=136} [2021-03-26 13:36:52,258 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 202 predicate places. [2021-03-26 13:36:52,258 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:52,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 136 transitions, 4320 flow [2021-03-26 13:36:52,258 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 136 transitions, 4320 flow [2021-03-26 13:36:52,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 136 transitions, 4320 flow [2021-03-26 13:36:52,291 INFO L129 PetriNetUnfolder]: 0/409 cut-off events. [2021-03-26 13:36:52,291 INFO L130 PetriNetUnfolder]: For 11655/11702 co-relation queries the response was YES. [2021-03-26 13:36:52,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2741 conditions, 409 events. 0/409 cut-off events. For 11655/11702 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4106 event pairs, 0 based on Foata normal form. 2/408 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:52,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-26 13:36:52,298 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:52,298 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:52,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 13:36:52,298 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 136 transitions, 4320 flow [2021-03-26 13:36:52,298 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) [2021-03-26 13:36:52,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:52,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:52,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 13:36:52,299 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:52,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:52,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1082374298, now seen corresponding path program 59 times [2021-03-26 13:36:52,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:52,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376232810] [2021-03-26 13:36:52,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:52,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:52,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:52,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:52,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:52,319 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:52,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:52,329 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:52,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:52,343 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:52,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:52,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376232810] [2021-03-26 13:36:52,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:52,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:52,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840132455] [2021-03-26 13:36:52,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:52,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:52,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:52,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:52,357 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:52,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 136 transitions, 4320 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) [2021-03-26 13:36:52,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:52,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:52,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:52,434 INFO L129 PetriNetUnfolder]: 3/414 cut-off events. [2021-03-26 13:36:52,435 INFO L130 PetriNetUnfolder]: For 11575/11575 co-relation queries the response was YES. [2021-03-26 13:36:52,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2982 conditions, 414 events. 3/414 cut-off events. For 11575/11575 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4080 event pairs, 0 based on Foata normal form. 1/415 useless extension candidates. Maximal degree in co-relation 2909. Up to 76 conditions per place. [2021-03-26 13:36:52,437 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 59 changer transitions 3/146 dead transitions. [2021-03-26 13:36:52,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 146 transitions, 4763 flow [2021-03-26 13:36:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:52,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:52,438 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:52,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,438 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) [2021-03-26 13:36:52,438 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) [2021-03-26 13:36:52,438 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) [2021-03-26 13:36:52,438 INFO L185 Difference]: Start difference. First operand has 233 places, 136 transitions, 4320 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:52,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 146 transitions, 4763 flow [2021-03-26 13:36:52,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 146 transitions, 4709 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:52,476 INFO L241 Difference]: Finished difference. Result has 237 places, 133 transitions, 4284 flow [2021-03-26 13:36:52,476 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4277, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4284, PETRI_PLACES=237, PETRI_TRANSITIONS=133} [2021-03-26 13:36:52,476 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 205 predicate places. [2021-03-26 13:36:52,476 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:52,476 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 133 transitions, 4284 flow [2021-03-26 13:36:52,477 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 133 transitions, 4284 flow [2021-03-26 13:36:52,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 133 transitions, 4284 flow [2021-03-26 13:36:52,510 INFO L129 PetriNetUnfolder]: 0/400 cut-off events. [2021-03-26 13:36:52,510 INFO L130 PetriNetUnfolder]: For 11363/11381 co-relation queries the response was YES. [2021-03-26 13:36:52,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 400 events. 0/400 cut-off events. For 11363/11381 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3973 event pairs, 0 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 13:36:52,514 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 13:36:52,518 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:52,518 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:52,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 13:36:52,520 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 133 transitions, 4284 flow [2021-03-26 13:36:52,520 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) [2021-03-26 13:36:52,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:52,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:52,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 13:36:52,520 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:52,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:52,520 INFO L82 PathProgramCache]: Analyzing trace with hash 794978954, now seen corresponding path program 60 times [2021-03-26 13:36:52,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:52,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772767933] [2021-03-26 13:36:52,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:52,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:52,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:52,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:52,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:52,548 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:52,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:52,558 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:52,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:52,572 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:52,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:52,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772767933] [2021-03-26 13:36:52,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:52,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:52,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883713677] [2021-03-26 13:36:52,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:52,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:52,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:52,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:52,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:52,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 133 transitions, 4284 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) [2021-03-26 13:36:52,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:52,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:52,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:52,681 INFO L129 PetriNetUnfolder]: 1/471 cut-off events. [2021-03-26 13:36:52,681 INFO L130 PetriNetUnfolder]: For 13392/13392 co-relation queries the response was YES. [2021-03-26 13:36:52,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3371 conditions, 471 events. 1/471 cut-off events. For 13392/13392 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4842 event pairs, 1 based on Foata normal form. 1/471 useless extension candidates. Maximal degree in co-relation 3299. Up to 95 conditions per place. [2021-03-26 13:36:52,682 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 91 selfloop transitions, 54 changer transitions 2/157 dead transitions. [2021-03-26 13:36:52,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 157 transitions, 5293 flow [2021-03-26 13:36:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:52,683 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:52,683 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:52,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,684 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) [2021-03-26 13:36:52,684 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) [2021-03-26 13:36:52,685 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) [2021-03-26 13:36:52,685 INFO L185 Difference]: Start difference. First operand has 235 places, 133 transitions, 4284 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:52,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 157 transitions, 5293 flow [2021-03-26 13:36:52,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 157 transitions, 5088 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:52,725 INFO L241 Difference]: Finished difference. Result has 240 places, 142 transitions, 4615 flow [2021-03-26 13:36:52,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4116, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4615, PETRI_PLACES=240, PETRI_TRANSITIONS=142} [2021-03-26 13:36:52,725 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 208 predicate places. [2021-03-26 13:36:52,725 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:52,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 142 transitions, 4615 flow [2021-03-26 13:36:52,726 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 142 transitions, 4615 flow [2021-03-26 13:36:52,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 142 transitions, 4615 flow [2021-03-26 13:36:52,769 INFO L129 PetriNetUnfolder]: 0/462 cut-off events. [2021-03-26 13:36:52,769 INFO L130 PetriNetUnfolder]: For 13313/13323 co-relation queries the response was YES. [2021-03-26 13:36:52,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3121 conditions, 462 events. 0/462 cut-off events. For 13313/13323 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4807 event pairs, 0 based on Foata normal form. 0/457 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2021-03-26 13:36:52,771 INFO L142 LiptonReduction]: Number of co-enabled transitions 298 [2021-03-26 13:36:52,776 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:52,776 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:52,776 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-26 13:36:52,776 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 142 transitions, 4615 flow [2021-03-26 13:36:52,776 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) [2021-03-26 13:36:52,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:52,776 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:52,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 13:36:52,776 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:52,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:52,777 INFO L82 PathProgramCache]: Analyzing trace with hash -2001787642, now seen corresponding path program 61 times [2021-03-26 13:36:52,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:52,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929786573] [2021-03-26 13:36:52,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:52,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:52,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:52,791 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:52,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:52,802 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:52,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:52,812 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:52,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:52,826 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:52,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:52,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929786573] [2021-03-26 13:36:52,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:52,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:52,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538320068] [2021-03-26 13:36:52,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:52,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:52,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:52,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:52,842 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:52,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 142 transitions, 4615 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) [2021-03-26 13:36:52,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:52,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:52,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:52,949 INFO L129 PetriNetUnfolder]: 1/463 cut-off events. [2021-03-26 13:36:52,949 INFO L130 PetriNetUnfolder]: For 13442/13442 co-relation queries the response was YES. [2021-03-26 13:36:52,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3344 conditions, 463 events. 1/463 cut-off events. For 13442/13442 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4743 event pairs, 0 based on Foata normal form. 1/464 useless extension candidates. Maximal degree in co-relation 3269. Up to 108 conditions per place. [2021-03-26 13:36:52,950 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 97 selfloop transitions, 53 changer transitions 2/162 dead transitions. [2021-03-26 13:36:52,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 162 transitions, 5424 flow [2021-03-26 13:36:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:52,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:52,951 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:52,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:52,951 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) [2021-03-26 13:36:52,952 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) [2021-03-26 13:36:52,952 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) [2021-03-26 13:36:52,952 INFO L185 Difference]: Start difference. First operand has 239 places, 142 transitions, 4615 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:52,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 162 transitions, 5424 flow [2021-03-26 13:36:52,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 162 transitions, 5375 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:52,996 INFO L241 Difference]: Finished difference. Result has 245 places, 146 transitions, 4842 flow [2021-03-26 13:36:52,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4575, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4842, PETRI_PLACES=245, PETRI_TRANSITIONS=146} [2021-03-26 13:36:52,996 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 213 predicate places. [2021-03-26 13:36:52,996 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:52,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 146 transitions, 4842 flow [2021-03-26 13:36:52,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 146 transitions, 4842 flow [2021-03-26 13:36:52,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 146 transitions, 4842 flow [2021-03-26 13:36:53,035 INFO L129 PetriNetUnfolder]: 0/454 cut-off events. [2021-03-26 13:36:53,035 INFO L130 PetriNetUnfolder]: For 14310/14346 co-relation queries the response was YES. [2021-03-26 13:36:53,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3156 conditions, 454 events. 0/454 cut-off events. For 14310/14346 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4667 event pairs, 0 based on Foata normal form. 2/453 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 13:36:53,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 13:36:53,042 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:53,042 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:53,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 13:36:53,043 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 146 transitions, 4842 flow [2021-03-26 13:36:53,043 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) [2021-03-26 13:36:53,043 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:53,043 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:53,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 13:36:53,043 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:53,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1264136224, now seen corresponding path program 62 times [2021-03-26 13:36:53,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:53,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923788179] [2021-03-26 13:36:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:53,053 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:53,062 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:53,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:53,076 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:53,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:53,091 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:53,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:53,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923788179] [2021-03-26 13:36:53,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:53,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:53,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666019610] [2021-03-26 13:36:53,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:53,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:53,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:53,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:53,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:53,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 146 transitions, 4842 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) [2021-03-26 13:36:53,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:53,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:53,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:53,186 INFO L129 PetriNetUnfolder]: 1/455 cut-off events. [2021-03-26 13:36:53,187 INFO L130 PetriNetUnfolder]: For 14173/14185 co-relation queries the response was YES. [2021-03-26 13:36:53,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3377 conditions, 455 events. 1/455 cut-off events. For 14173/14185 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4640 event pairs, 0 based on Foata normal form. 2/457 useless extension candidates. Maximal degree in co-relation 3301. Up to 79 conditions per place. [2021-03-26 13:36:53,188 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 57 changer transitions 3/150 dead transitions. [2021-03-26 13:36:53,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 150 transitions, 5148 flow [2021-03-26 13:36:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:53,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:53,189 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:53,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:53,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:53,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:53,189 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) [2021-03-26 13:36:53,189 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) [2021-03-26 13:36:53,189 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) [2021-03-26 13:36:53,189 INFO L185 Difference]: Start difference. First operand has 244 places, 146 transitions, 4842 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:53,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 150 transitions, 5148 flow [2021-03-26 13:36:53,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 150 transitions, 5067 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:53,234 INFO L241 Difference]: Finished difference. Result has 247 places, 143 transitions, 4769 flow [2021-03-26 13:36:53,234 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4767, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4769, PETRI_PLACES=247, PETRI_TRANSITIONS=143} [2021-03-26 13:36:53,234 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 215 predicate places. [2021-03-26 13:36:53,234 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:53,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 143 transitions, 4769 flow [2021-03-26 13:36:53,235 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 143 transitions, 4769 flow [2021-03-26 13:36:53,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 143 transitions, 4769 flow [2021-03-26 13:36:53,273 INFO L129 PetriNetUnfolder]: 0/445 cut-off events. [2021-03-26 13:36:53,274 INFO L130 PetriNetUnfolder]: For 13922/13958 co-relation queries the response was YES. [2021-03-26 13:36:53,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3137 conditions, 445 events. 0/445 cut-off events. For 13922/13958 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4558 event pairs, 0 based on Foata normal form. 2/444 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2021-03-26 13:36:53,276 INFO L142 LiptonReduction]: Number of co-enabled transitions 290 [2021-03-26 13:36:53,281 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:53,281 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:53,281 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 13:36:53,281 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 143 transitions, 4769 flow [2021-03-26 13:36:53,281 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) [2021-03-26 13:36:53,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:53,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:53,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 13:36:53,282 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:53,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:53,282 INFO L82 PathProgramCache]: Analyzing trace with hash 490388700, now seen corresponding path program 63 times [2021-03-26 13:36:53,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:53,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398453592] [2021-03-26 13:36:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:53,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:53,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:53,299 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:53,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:53,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:53,322 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:53,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:53,342 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:53,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:53,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:53,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398453592] [2021-03-26 13:36:53,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:53,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:53,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354049199] [2021-03-26 13:36:53,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:53,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:53,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:53,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:53,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:53,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 143 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) [2021-03-26 13:36:53,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:53,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:53,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:53,454 INFO L129 PetriNetUnfolder]: 1/446 cut-off events. [2021-03-26 13:36:53,454 INFO L130 PetriNetUnfolder]: For 14153/14219 co-relation queries the response was YES. [2021-03-26 13:36:53,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3355 conditions, 446 events. 1/446 cut-off events. For 14153/14219 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4518 event pairs, 0 based on Foata normal form. 16/462 useless extension candidates. Maximal degree in co-relation 3281. Up to 79 conditions per place. [2021-03-26 13:36:53,455 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 60 changer transitions 2/147 dead transitions. [2021-03-26 13:36:53,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 147 transitions, 5069 flow [2021-03-26 13:36:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:53,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:53,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:53,456 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:53,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:53,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:53,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:53,457 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) [2021-03-26 13:36:53,460 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) [2021-03-26 13:36:53,460 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) [2021-03-26 13:36:53,460 INFO L185 Difference]: Start difference. First operand has 242 places, 143 transitions, 4769 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:53,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 147 transitions, 5069 flow [2021-03-26 13:36:53,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 147 transitions, 4897 flow, removed 25 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:53,502 INFO L241 Difference]: Finished difference. Result has 243 places, 141 transitions, 4640 flow [2021-03-26 13:36:53,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4603, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4640, PETRI_PLACES=243, PETRI_TRANSITIONS=141} [2021-03-26 13:36:53,502 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 211 predicate places. [2021-03-26 13:36:53,502 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:53,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 141 transitions, 4640 flow [2021-03-26 13:36:53,502 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 141 transitions, 4640 flow [2021-03-26 13:36:53,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 141 transitions, 4640 flow [2021-03-26 13:36:53,539 INFO L129 PetriNetUnfolder]: 0/437 cut-off events. [2021-03-26 13:36:53,539 INFO L130 PetriNetUnfolder]: For 12819/12829 co-relation queries the response was YES. [2021-03-26 13:36:53,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3073 conditions, 437 events. 0/437 cut-off events. For 12819/12829 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4466 event pairs, 0 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2021-03-26 13:36:53,542 INFO L142 LiptonReduction]: Number of co-enabled transitions 284 [2021-03-26 13:36:53,547 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:53,547 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:53,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 13:36:53,547 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 141 transitions, 4640 flow [2021-03-26 13:36:53,547 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) [2021-03-26 13:36:53,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:53,547 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:53,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 13:36:53,547 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:53,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:53,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1869380256, now seen corresponding path program 64 times [2021-03-26 13:36:53,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:53,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911874695] [2021-03-26 13:36:53,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:53,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:53,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:53,575 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:53,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:53,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:53,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:53,598 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:53,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:53,611 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:53,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:53,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911874695] [2021-03-26 13:36:53,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:53,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:53,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027059825] [2021-03-26 13:36:53,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:53,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:53,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:53,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:53,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:53,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 141 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) [2021-03-26 13:36:53,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:53,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:53,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:53,700 INFO L129 PetriNetUnfolder]: 1/438 cut-off events. [2021-03-26 13:36:53,700 INFO L130 PetriNetUnfolder]: For 13266/13332 co-relation queries the response was YES. [2021-03-26 13:36:53,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3288 conditions, 438 events. 1/438 cut-off events. For 13266/13332 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4418 event pairs, 0 based on Foata normal form. 16/454 useless extension candidates. Maximal degree in co-relation 3216. Up to 79 conditions per place. [2021-03-26 13:36:53,701 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 55 changer transitions 4/144 dead transitions. [2021-03-26 13:36:53,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 144 transitions, 4930 flow [2021-03-26 13:36:53,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:53,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:53,703 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:53,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:53,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:53,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:53,703 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) [2021-03-26 13:36:53,704 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) [2021-03-26 13:36:53,704 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) [2021-03-26 13:36:53,704 INFO L185 Difference]: Start difference. First operand has 241 places, 141 transitions, 4640 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:53,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 144 transitions, 4930 flow [2021-03-26 13:36:53,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 144 transitions, 4839 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:53,745 INFO L241 Difference]: Finished difference. Result has 245 places, 137 transitions, 4531 flow [2021-03-26 13:36:53,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4553, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4531, PETRI_PLACES=245, PETRI_TRANSITIONS=137} [2021-03-26 13:36:53,746 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 213 predicate places. [2021-03-26 13:36:53,746 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:53,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 137 transitions, 4531 flow [2021-03-26 13:36:53,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 137 transitions, 4531 flow [2021-03-26 13:36:53,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 137 transitions, 4531 flow [2021-03-26 13:36:53,781 INFO L129 PetriNetUnfolder]: 0/427 cut-off events. [2021-03-26 13:36:53,781 INFO L130 PetriNetUnfolder]: For 12484/12494 co-relation queries the response was YES. [2021-03-26 13:36:53,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3026 conditions, 427 events. 0/427 cut-off events. For 12484/12494 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4320 event pairs, 0 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2021-03-26 13:36:53,783 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 13:36:53,788 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:53,788 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:53,788 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 13:36:53,788 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 137 transitions, 4531 flow [2021-03-26 13:36:53,788 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) [2021-03-26 13:36:53,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:53,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:53,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 13:36:53,788 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:53,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:53,789 INFO L82 PathProgramCache]: Analyzing trace with hash -594378344, now seen corresponding path program 65 times [2021-03-26 13:36:53,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:53,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561157502] [2021-03-26 13:36:53,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:53,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:53,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:53,806 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:53,823 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:53,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:53,836 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:53,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:53,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561157502] [2021-03-26 13:36:53,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:53,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:53,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729750255] [2021-03-26 13:36:53,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:53,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:53,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:53,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:53,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:53,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 137 transitions, 4531 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) [2021-03-26 13:36:53,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:53,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:53,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:53,944 INFO L129 PetriNetUnfolder]: 1/428 cut-off events. [2021-03-26 13:36:53,945 INFO L130 PetriNetUnfolder]: For 12620/12632 co-relation queries the response was YES. [2021-03-26 13:36:53,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3236 conditions, 428 events. 1/428 cut-off events. For 12620/12632 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4284 event pairs, 0 based on Foata normal form. 2/430 useless extension candidates. Maximal degree in co-relation 3164. Up to 82 conditions per place. [2021-03-26 13:36:53,946 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 54 changer transitions 2/141 dead transitions. [2021-03-26 13:36:53,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 141 transitions, 4819 flow [2021-03-26 13:36:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:53,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:53,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:53,947 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:53,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:53,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:53,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:53,947 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) [2021-03-26 13:36:53,948 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) [2021-03-26 13:36:53,948 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) [2021-03-26 13:36:53,948 INFO L185 Difference]: Start difference. First operand has 240 places, 137 transitions, 4531 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:53,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 141 transitions, 4819 flow [2021-03-26 13:36:53,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 141 transitions, 4684 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:53,987 INFO L241 Difference]: Finished difference. Result has 241 places, 135 transitions, 4435 flow [2021-03-26 13:36:53,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4402, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4435, PETRI_PLACES=241, PETRI_TRANSITIONS=135} [2021-03-26 13:36:53,988 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 209 predicate places. [2021-03-26 13:36:53,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:53,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 135 transitions, 4435 flow [2021-03-26 13:36:53,988 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 135 transitions, 4435 flow [2021-03-26 13:36:53,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 135 transitions, 4435 flow [2021-03-26 13:36:54,022 INFO L129 PetriNetUnfolder]: 0/420 cut-off events. [2021-03-26 13:36:54,022 INFO L130 PetriNetUnfolder]: For 12151/12173 co-relation queries the response was YES. [2021-03-26 13:36:54,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2973 conditions, 420 events. 0/420 cut-off events. For 12151/12173 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4239 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. [2021-03-26 13:36:54,024 INFO L142 LiptonReduction]: Number of co-enabled transitions 276 [2021-03-26 13:36:54,029 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:54,029 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:54,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 13:36:54,029 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 135 transitions, 4435 flow [2021-03-26 13:36:54,029 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) [2021-03-26 13:36:54,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:54,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:54,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 13:36:54,029 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:54,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:54,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1412016604, now seen corresponding path program 66 times [2021-03-26 13:36:54,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:54,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084004765] [2021-03-26 13:36:54,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:54,040 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:54,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:54,051 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:54,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:54,065 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:54,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:54,078 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:54,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084004765] [2021-03-26 13:36:54,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:54,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:54,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250353638] [2021-03-26 13:36:54,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:54,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:54,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:54,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:54,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:54,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 135 transitions, 4435 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) [2021-03-26 13:36:54,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:54,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:54,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:54,169 INFO L129 PetriNetUnfolder]: 1/421 cut-off events. [2021-03-26 13:36:54,169 INFO L130 PetriNetUnfolder]: For 12156/12168 co-relation queries the response was YES. [2021-03-26 13:36:54,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3180 conditions, 421 events. 1/421 cut-off events. For 12156/12168 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4221 event pairs, 0 based on Foata normal form. 2/423 useless extension candidates. Maximal degree in co-relation 3110. Up to 105 conditions per place. [2021-03-26 13:36:54,170 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 84 selfloop transitions, 52 changer transitions 2/148 dead transitions. [2021-03-26 13:36:54,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 148 transitions, 5046 flow [2021-03-26 13:36:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:54,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:54,171 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:54,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,172 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) [2021-03-26 13:36:54,172 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) [2021-03-26 13:36:54,172 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) [2021-03-26 13:36:54,172 INFO L185 Difference]: Start difference. First operand has 239 places, 135 transitions, 4435 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:54,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 148 transitions, 5046 flow [2021-03-26 13:36:54,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 148 transitions, 4941 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:54,213 INFO L241 Difference]: Finished difference. Result has 244 places, 140 transitions, 4671 flow [2021-03-26 13:36:54,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4340, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4671, PETRI_PLACES=244, PETRI_TRANSITIONS=140} [2021-03-26 13:36:54,213 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 212 predicate places. [2021-03-26 13:36:54,213 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:54,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 140 transitions, 4671 flow [2021-03-26 13:36:54,214 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 140 transitions, 4671 flow [2021-03-26 13:36:54,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 140 transitions, 4671 flow [2021-03-26 13:36:54,248 INFO L129 PetriNetUnfolder]: 0/412 cut-off events. [2021-03-26 13:36:54,248 INFO L130 PetriNetUnfolder]: For 12396/12418 co-relation queries the response was YES. [2021-03-26 13:36:54,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2959 conditions, 412 events. 0/412 cut-off events. For 12396/12418 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4136 event pairs, 0 based on Foata normal form. 1/410 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:54,251 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-26 13:36:54,255 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:54,256 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:54,256 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 13:36:54,256 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 140 transitions, 4671 flow [2021-03-26 13:36:54,256 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) [2021-03-26 13:36:54,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:54,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:54,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 13:36:54,256 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:54,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:54,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1559539296, now seen corresponding path program 67 times [2021-03-26 13:36:54,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:54,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701941988] [2021-03-26 13:36:54,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:54,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:54,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:54,266 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:54,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:54,279 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:54,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:54,296 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:54,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:54,310 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:54,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:54,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701941988] [2021-03-26 13:36:54,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:54,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:54,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795546086] [2021-03-26 13:36:54,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:54,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:54,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:54,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:54,330 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:54,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 140 transitions, 4671 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) [2021-03-26 13:36:54,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:54,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:54,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:54,417 INFO L129 PetriNetUnfolder]: 1/413 cut-off events. [2021-03-26 13:36:54,417 INFO L130 PetriNetUnfolder]: For 12607/12643 co-relation queries the response was YES. [2021-03-26 13:36:54,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3163 conditions, 413 events. 1/413 cut-off events. For 12607/12643 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4082 event pairs, 0 based on Foata normal form. 7/420 useless extension candidates. Maximal degree in co-relation 3091. Up to 105 conditions per place. [2021-03-26 13:36:54,418 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 86 selfloop transitions, 48 changer transitions 2/146 dead transitions. [2021-03-26 13:36:54,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 146 transitions, 5021 flow [2021-03-26 13:36:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:54,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:54,419 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:54,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,420 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) [2021-03-26 13:36:54,420 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) [2021-03-26 13:36:54,420 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) [2021-03-26 13:36:54,420 INFO L185 Difference]: Start difference. First operand has 243 places, 140 transitions, 4671 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:54,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 146 transitions, 5021 flow [2021-03-26 13:36:54,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 146 transitions, 4944 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:54,460 INFO L241 Difference]: Finished difference. Result has 248 places, 140 transitions, 4688 flow [2021-03-26 13:36:54,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4600, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4688, PETRI_PLACES=248, PETRI_TRANSITIONS=140} [2021-03-26 13:36:54,460 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 216 predicate places. [2021-03-26 13:36:54,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:54,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 140 transitions, 4688 flow [2021-03-26 13:36:54,460 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 140 transitions, 4688 flow [2021-03-26 13:36:54,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 140 transitions, 4688 flow [2021-03-26 13:36:54,494 INFO L129 PetriNetUnfolder]: 0/405 cut-off events. [2021-03-26 13:36:54,495 INFO L130 PetriNetUnfolder]: For 12438/12460 co-relation queries the response was YES. [2021-03-26 13:36:54,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2936 conditions, 405 events. 0/405 cut-off events. For 12438/12460 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4027 event pairs, 0 based on Foata normal form. 1/403 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2021-03-26 13:36:54,497 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-26 13:36:54,501 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:54,502 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:54,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 13:36:54,502 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 140 transitions, 4688 flow [2021-03-26 13:36:54,502 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) [2021-03-26 13:36:54,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:54,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:54,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 13:36:54,502 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:54,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:54,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1516186822, now seen corresponding path program 68 times [2021-03-26 13:36:54,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:54,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380766683] [2021-03-26 13:36:54,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:54,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:54,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:54,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:54,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:54,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:54,535 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:54,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:54,548 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:54,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380766683] [2021-03-26 13:36:54,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:54,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:54,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105297966] [2021-03-26 13:36:54,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:54,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:54,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:54,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:54,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:54,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 140 transitions, 4688 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) [2021-03-26 13:36:54,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:54,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:54,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:54,643 INFO L129 PetriNetUnfolder]: 1/406 cut-off events. [2021-03-26 13:36:54,643 INFO L130 PetriNetUnfolder]: For 12628/12664 co-relation queries the response was YES. [2021-03-26 13:36:54,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3137 conditions, 406 events. 1/406 cut-off events. For 12628/12664 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3994 event pairs, 0 based on Foata normal form. 11/417 useless extension candidates. Maximal degree in co-relation 3064. Up to 82 conditions per place. [2021-03-26 13:36:54,644 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 57 changer transitions 3/144 dead transitions. [2021-03-26 13:36:54,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 144 transitions, 4982 flow [2021-03-26 13:36:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:54,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:54,645 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:54,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:54,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:54,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:54,645 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) [2021-03-26 13:36:54,645 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) [2021-03-26 13:36:54,646 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) [2021-03-26 13:36:54,646 INFO L185 Difference]: Start difference. First operand has 247 places, 140 transitions, 4688 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:54,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 144 transitions, 4982 flow [2021-03-26 13:36:54,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 144 transitions, 4907 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:54,685 INFO L241 Difference]: Finished difference. Result has 251 places, 137 transitions, 4608 flow [2021-03-26 13:36:54,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4619, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4608, PETRI_PLACES=251, PETRI_TRANSITIONS=137} [2021-03-26 13:36:54,685 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 219 predicate places. [2021-03-26 13:36:54,685 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:54,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 137 transitions, 4608 flow [2021-03-26 13:36:54,685 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 137 transitions, 4608 flow [2021-03-26 13:36:54,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 137 transitions, 4608 flow [2021-03-26 13:36:54,719 INFO L129 PetriNetUnfolder]: 0/397 cut-off events. [2021-03-26 13:36:54,719 INFO L130 PetriNetUnfolder]: For 12185/12205 co-relation queries the response was YES. [2021-03-26 13:36:54,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2891 conditions, 397 events. 0/397 cut-off events. For 12185/12205 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3914 event pairs, 0 based on Foata normal form. 1/396 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-03-26 13:36:54,721 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-26 13:36:54,725 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:54,725 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:54,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 13:36:54,726 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 137 transitions, 4608 flow [2021-03-26 13:36:54,726 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) [2021-03-26 13:36:54,726 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:54,726 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:54,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 13:36:54,726 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:54,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:54,726 INFO L82 PathProgramCache]: Analyzing trace with hash 150324154, now seen corresponding path program 69 times [2021-03-26 13:36:54,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:54,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763452182] [2021-03-26 13:36:54,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:54,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:54,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:54,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:54,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:54,749 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:54,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:54,760 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:54,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:54,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:54,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763452182] [2021-03-26 13:36:54,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:54,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:54,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074835332] [2021-03-26 13:36:54,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:54,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:54,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:54,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:54,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:54,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 137 transitions, 4608 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) [2021-03-26 13:36:54,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:54,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:54,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:54,863 INFO L129 PetriNetUnfolder]: 1/398 cut-off events. [2021-03-26 13:36:54,863 INFO L130 PetriNetUnfolder]: For 12217/12229 co-relation queries the response was YES. [2021-03-26 13:36:54,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3088 conditions, 398 events. 1/398 cut-off events. For 12217/12229 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3909 event pairs, 0 based on Foata normal form. 2/400 useless extension candidates. Maximal degree in co-relation 3015. Up to 82 conditions per place. [2021-03-26 13:36:54,864 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 74 selfloop transitions, 55 changer transitions 2/141 dead transitions. [2021-03-26 13:36:54,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 141 transitions, 4896 flow [2021-03-26 13:36:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:54,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:54,865 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:54,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:54,866 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) [2021-03-26 13:36:54,866 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) [2021-03-26 13:36:54,866 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) [2021-03-26 13:36:54,866 INFO L185 Difference]: Start difference. First operand has 246 places, 137 transitions, 4608 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:54,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 141 transitions, 4896 flow [2021-03-26 13:36:54,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 141 transitions, 4767 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:54,907 INFO L241 Difference]: Finished difference. Result has 248 places, 135 transitions, 4504 flow [2021-03-26 13:36:54,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4485, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4504, PETRI_PLACES=248, PETRI_TRANSITIONS=135} [2021-03-26 13:36:54,907 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 216 predicate places. [2021-03-26 13:36:54,907 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:54,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 135 transitions, 4504 flow [2021-03-26 13:36:54,908 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 135 transitions, 4504 flow [2021-03-26 13:36:54,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 135 transitions, 4504 flow [2021-03-26 13:36:54,940 INFO L129 PetriNetUnfolder]: 0/390 cut-off events. [2021-03-26 13:36:54,940 INFO L130 PetriNetUnfolder]: For 11512/11532 co-relation queries the response was YES. [2021-03-26 13:36:54,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2847 conditions, 390 events. 0/390 cut-off events. For 11512/11532 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3828 event pairs, 0 based on Foata normal form. 1/389 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 13:36:54,943 INFO L142 LiptonReduction]: Number of co-enabled transitions 248 [2021-03-26 13:36:54,947 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:54,947 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:54,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 13:36:54,947 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 135 transitions, 4504 flow [2021-03-26 13:36:54,948 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) [2021-03-26 13:36:54,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:54,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:54,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 13:36:54,948 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:54,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:54,948 INFO L82 PathProgramCache]: Analyzing trace with hash 2105077668, now seen corresponding path program 70 times [2021-03-26 13:36:54,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:54,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102010449] [2021-03-26 13:36:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:54,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:54,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:54,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:54,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:54,973 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:54,983 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:54,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:54,997 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:54,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:55,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102010449] [2021-03-26 13:36:55,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:55,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:55,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332996620] [2021-03-26 13:36:55,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:55,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:55,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:55,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:55,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:55,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 135 transitions, 4504 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) [2021-03-26 13:36:55,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:55,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:55,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:55,086 INFO L129 PetriNetUnfolder]: 1/391 cut-off events. [2021-03-26 13:36:55,086 INFO L130 PetriNetUnfolder]: For 11734/11770 co-relation queries the response was YES. [2021-03-26 13:36:55,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3041 conditions, 391 events. 1/391 cut-off events. For 11734/11770 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3799 event pairs, 0 based on Foata normal form. 7/398 useless extension candidates. Maximal degree in co-relation 2970. Up to 105 conditions per place. [2021-03-26 13:36:55,087 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 86 selfloop transitions, 41 changer transitions 3/140 dead transitions. [2021-03-26 13:36:55,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 140 transitions, 4821 flow [2021-03-26 13:36:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:55,088 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:55,088 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:55,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:55,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:55,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:55,089 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) [2021-03-26 13:36:55,089 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) [2021-03-26 13:36:55,089 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) [2021-03-26 13:36:55,089 INFO L185 Difference]: Start difference. First operand has 246 places, 135 transitions, 4504 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:55,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 140 transitions, 4821 flow [2021-03-26 13:36:55,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 140 transitions, 4690 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:55,127 INFO L241 Difference]: Finished difference. Result has 249 places, 133 transitions, 4404 flow [2021-03-26 13:36:55,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4379, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4404, PETRI_PLACES=249, PETRI_TRANSITIONS=133} [2021-03-26 13:36:55,127 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 217 predicate places. [2021-03-26 13:36:55,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:55,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 133 transitions, 4404 flow [2021-03-26 13:36:55,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 133 transitions, 4404 flow [2021-03-26 13:36:55,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 133 transitions, 4404 flow [2021-03-26 13:36:55,159 INFO L129 PetriNetUnfolder]: 0/381 cut-off events. [2021-03-26 13:36:55,159 INFO L130 PetriNetUnfolder]: For 11177/11197 co-relation queries the response was YES. [2021-03-26 13:36:55,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2770 conditions, 381 events. 0/381 cut-off events. For 11177/11197 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3744 event pairs, 0 based on Foata normal form. 1/380 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-03-26 13:36:55,161 INFO L142 LiptonReduction]: Number of co-enabled transitions 248 [2021-03-26 13:36:55,166 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:55,166 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:55,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 13:36:55,166 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 133 transitions, 4404 flow [2021-03-26 13:36:55,166 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) [2021-03-26 13:36:55,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:55,166 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:55,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 13:36:55,166 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:55,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:55,166 INFO L82 PathProgramCache]: Analyzing trace with hash -704982500, now seen corresponding path program 71 times [2021-03-26 13:36:55,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:55,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203775194] [2021-03-26 13:36:55,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:55,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:55,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:55,194 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:55,207 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:55,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:55,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203775194] [2021-03-26 13:36:55,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:55,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:55,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009481192] [2021-03-26 13:36:55,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:55,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:55,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:55,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:55,222 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:55,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 133 transitions, 4404 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) [2021-03-26 13:36:55,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:55,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:55,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:55,306 INFO L129 PetriNetUnfolder]: 1/382 cut-off events. [2021-03-26 13:36:55,306 INFO L130 PetriNetUnfolder]: For 11407/11443 co-relation queries the response was YES. [2021-03-26 13:36:55,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2960 conditions, 382 events. 1/382 cut-off events. For 11407/11443 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3708 event pairs, 0 based on Foata normal form. 11/393 useless extension candidates. Maximal degree in co-relation 2888. Up to 80 conditions per place. [2021-03-26 13:36:55,308 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 70 selfloop transitions, 53 changer transitions 4/137 dead transitions. [2021-03-26 13:36:55,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 137 transitions, 4684 flow [2021-03-26 13:36:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:55,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:55,308 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:55,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:55,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:55,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:55,309 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) [2021-03-26 13:36:55,309 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) [2021-03-26 13:36:55,309 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) [2021-03-26 13:36:55,309 INFO L185 Difference]: Start difference. First operand has 248 places, 133 transitions, 4404 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:55,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 137 transitions, 4684 flow [2021-03-26 13:36:55,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 137 transitions, 4598 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:55,345 INFO L241 Difference]: Finished difference. Result has 251 places, 129 transitions, 4296 flow [2021-03-26 13:36:55,345 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4324, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4296, PETRI_PLACES=251, PETRI_TRANSITIONS=129} [2021-03-26 13:36:55,346 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 219 predicate places. [2021-03-26 13:36:55,346 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:55,346 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 129 transitions, 4296 flow [2021-03-26 13:36:55,346 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 129 transitions, 4296 flow [2021-03-26 13:36:55,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 129 transitions, 4296 flow [2021-03-26 13:36:55,377 INFO L129 PetriNetUnfolder]: 0/371 cut-off events. [2021-03-26 13:36:55,377 INFO L130 PetriNetUnfolder]: For 10852/10864 co-relation queries the response was YES. [2021-03-26 13:36:55,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2704 conditions, 371 events. 0/371 cut-off events. For 10852/10864 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3600 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 13:36:55,379 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 13:36:55,383 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:55,383 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:55,383 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 13:36:55,383 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 129 transitions, 4296 flow [2021-03-26 13:36:55,383 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) [2021-03-26 13:36:55,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:55,383 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:55,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 13:36:55,383 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:55,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:55,384 INFO L82 PathProgramCache]: Analyzing trace with hash -936633184, now seen corresponding path program 72 times [2021-03-26 13:36:55,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:55,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218810239] [2021-03-26 13:36:55,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:55,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:55,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:55,393 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:55,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:55,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:55,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:55,419 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:55,430 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:55,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:55,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218810239] [2021-03-26 13:36:55,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:55,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:55,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533756187] [2021-03-26 13:36:55,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:55,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:55,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:55,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:55,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:55,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 129 transitions, 4296 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) [2021-03-26 13:36:55,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:55,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:55,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:55,520 INFO L129 PetriNetUnfolder]: 1/372 cut-off events. [2021-03-26 13:36:55,520 INFO L130 PetriNetUnfolder]: For 10954/10966 co-relation queries the response was YES. [2021-03-26 13:36:55,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2889 conditions, 372 events. 1/372 cut-off events. For 10954/10966 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3561 event pairs, 0 based on Foata normal form. 2/374 useless extension candidates. Maximal degree in co-relation 2817. Up to 102 conditions per place. [2021-03-26 13:36:55,521 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 78 selfloop transitions, 41 changer transitions 3/132 dead transitions. [2021-03-26 13:36:55,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 132 transitions, 4562 flow [2021-03-26 13:36:55,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:55,523 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:55,523 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:55,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:55,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:55,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:55,524 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) [2021-03-26 13:36:55,524 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) [2021-03-26 13:36:55,524 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) [2021-03-26 13:36:55,524 INFO L185 Difference]: Start difference. First operand has 246 places, 129 transitions, 4296 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:55,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 132 transitions, 4562 flow [2021-03-26 13:36:55,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 132 transitions, 4434 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:55,562 INFO L241 Difference]: Finished difference. Result has 248 places, 126 transitions, 4144 flow [2021-03-26 13:36:55,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4172, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4144, PETRI_PLACES=248, PETRI_TRANSITIONS=126} [2021-03-26 13:36:55,562 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 216 predicate places. [2021-03-26 13:36:55,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:55,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 126 transitions, 4144 flow [2021-03-26 13:36:55,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 126 transitions, 4144 flow [2021-03-26 13:36:55,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 126 transitions, 4144 flow [2021-03-26 13:36:55,592 INFO L129 PetriNetUnfolder]: 0/362 cut-off events. [2021-03-26 13:36:55,592 INFO L130 PetriNetUnfolder]: For 10300/10312 co-relation queries the response was YES. [2021-03-26 13:36:55,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 362 events. 0/362 cut-off events. For 10300/10312 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3458 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. [2021-03-26 13:36:55,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 228 [2021-03-26 13:36:55,598 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:55,598 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:55,598 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 13:36:55,599 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 126 transitions, 4144 flow [2021-03-26 13:36:55,599 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) [2021-03-26 13:36:55,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:55,599 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:55,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 13:36:55,599 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:55,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:55,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1161405578, now seen corresponding path program 73 times [2021-03-26 13:36:55,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:55,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397679585] [2021-03-26 13:36:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:55,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:55,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:55,609 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:55,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:55,620 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:55,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:55,635 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:55,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:55,648 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:55,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:55,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397679585] [2021-03-26 13:36:55,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:55,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:55,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033502702] [2021-03-26 13:36:55,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:55,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:55,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:55,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:55,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:55,662 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 126 transitions, 4144 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) [2021-03-26 13:36:55,662 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:55,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:55,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:55,732 INFO L129 PetriNetUnfolder]: 1/363 cut-off events. [2021-03-26 13:36:55,733 INFO L130 PetriNetUnfolder]: For 10386/10398 co-relation queries the response was YES. [2021-03-26 13:36:55,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2804 conditions, 363 events. 1/363 cut-off events. For 10386/10398 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3458 event pairs, 0 based on Foata normal form. 2/365 useless extension candidates. Maximal degree in co-relation 2733. Up to 102 conditions per place. [2021-03-26 13:36:55,734 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 40 changer transitions 4/129 dead transitions. [2021-03-26 13:36:55,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 129 transitions, 4404 flow [2021-03-26 13:36:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-03-26 13:36:55,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-03-26 13:36:55,734 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-03-26 13:36:55,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-03-26 13:36:55,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:55,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-03-26 13:36:55,735 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) [2021-03-26 13:36:55,735 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) [2021-03-26 13:36:55,735 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) [2021-03-26 13:36:55,735 INFO L185 Difference]: Start difference. First operand has 245 places, 126 transitions, 4144 flow. Second operand 7 states and 305 transitions. [2021-03-26 13:36:55,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 129 transitions, 4404 flow [2021-03-26 13:36:55,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 129 transitions, 4315 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:55,769 INFO L241 Difference]: Finished difference. Result has 247 places, 122 transitions, 4008 flow [2021-03-26 13:36:55,770 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4059, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4008, PETRI_PLACES=247, PETRI_TRANSITIONS=122} [2021-03-26 13:36:55,770 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 215 predicate places. [2021-03-26 13:36:55,770 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:55,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 122 transitions, 4008 flow [2021-03-26 13:36:55,770 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 122 transitions, 4008 flow [2021-03-26 13:36:55,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 122 transitions, 4008 flow [2021-03-26 13:36:55,799 INFO L129 PetriNetUnfolder]: 0/352 cut-off events. [2021-03-26 13:36:55,799 INFO L130 PetriNetUnfolder]: For 9938/9949 co-relation queries the response was YES. [2021-03-26 13:36:55,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2544 conditions, 352 events. 0/352 cut-off events. For 9938/9949 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3342 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2021-03-26 13:36:55,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 224 [2021-03-26 13:36:55,805 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:55,805 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:55,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 13:36:55,805 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 122 transitions, 4008 flow [2021-03-26 13:36:55,805 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) [2021-03-26 13:36:55,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:55,805 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:55,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 13:36:55,805 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:55,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:55,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1599964466, now seen corresponding path program 74 times [2021-03-26 13:36:55,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:55,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751196913] [2021-03-26 13:36:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:55,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:55,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:55,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:55,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:55,820 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:55,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:55,834 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:55,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:55,850 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:55,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751196913] [2021-03-26 13:36:55,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:55,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:55,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672412969] [2021-03-26 13:36:55,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:55,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:55,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:55,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:55,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:55,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 122 transitions, 4008 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) [2021-03-26 13:36:55,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:55,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:55,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:55,959 INFO L129 PetriNetUnfolder]: 0/403 cut-off events. [2021-03-26 13:36:55,959 INFO L130 PetriNetUnfolder]: For 11628/11643 co-relation queries the response was YES. [2021-03-26 13:36:55,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3097 conditions, 403 events. 0/403 cut-off events. For 11628/11643 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3960 event pairs, 0 based on Foata normal form. 1/403 useless extension candidates. Maximal degree in co-relation 0. Up to 72 conditions per place. [2021-03-26 13:36:55,960 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 75 selfloop transitions, 57 changer transitions 2/144 dead transitions. [2021-03-26 13:36:55,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 144 transitions, 4995 flow [2021-03-26 13:36:55,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:55,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:55,960 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:55,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:55,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:55,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:55,961 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) [2021-03-26 13:36:55,961 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) [2021-03-26 13:36:55,961 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) [2021-03-26 13:36:55,961 INFO L185 Difference]: Start difference. First operand has 242 places, 122 transitions, 4008 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:55,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 144 transitions, 4995 flow [2021-03-26 13:36:55,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 144 transitions, 4870 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:55,998 INFO L241 Difference]: Finished difference. Result has 248 places, 133 transitions, 4554 flow [2021-03-26 13:36:55,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3913, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4554, PETRI_PLACES=248, PETRI_TRANSITIONS=133} [2021-03-26 13:36:55,998 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 216 predicate places. [2021-03-26 13:36:55,998 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:55,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 133 transitions, 4554 flow [2021-03-26 13:36:55,999 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 133 transitions, 4554 flow [2021-03-26 13:36:56,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 133 transitions, 4554 flow [2021-03-26 13:36:56,035 INFO L129 PetriNetUnfolder]: 0/396 cut-off events. [2021-03-26 13:36:56,035 INFO L130 PetriNetUnfolder]: For 11959/11968 co-relation queries the response was YES. [2021-03-26 13:36:56,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2938 conditions, 396 events. 0/396 cut-off events. For 11959/11968 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3899 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-03-26 13:36:56,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 230 [2021-03-26 13:36:56,042 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:56,042 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:56,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-26 13:36:56,042 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 133 transitions, 4554 flow [2021-03-26 13:36:56,042 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) [2021-03-26 13:36:56,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:56,042 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:56,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 13:36:56,042 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:56,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:56,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1594237344, now seen corresponding path program 75 times [2021-03-26 13:36:56,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:56,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668683077] [2021-03-26 13:36:56,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:56,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:56,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:56,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:56,061 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:56,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:56,077 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:56,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:56,090 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:56,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:56,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668683077] [2021-03-26 13:36:56,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:56,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:56,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852371156] [2021-03-26 13:36:56,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:56,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:56,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:56,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:56,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:56,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 133 transitions, 4554 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) [2021-03-26 13:36:56,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:56,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:56,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:56,181 INFO L129 PetriNetUnfolder]: 0/395 cut-off events. [2021-03-26 13:36:56,181 INFO L130 PetriNetUnfolder]: For 12049/12067 co-relation queries the response was YES. [2021-03-26 13:36:56,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3113 conditions, 395 events. 0/395 cut-off events. For 12049/12067 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3865 event pairs, 0 based on Foata normal form. 2/397 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 13:36:56,182 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 81 selfloop transitions, 50 changer transitions 2/143 dead transitions. [2021-03-26 13:36:56,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 143 transitions, 5050 flow [2021-03-26 13:36:56,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:56,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:56,182 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:56,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,183 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) [2021-03-26 13:36:56,183 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) [2021-03-26 13:36:56,183 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) [2021-03-26 13:36:56,183 INFO L185 Difference]: Start difference. First operand has 247 places, 133 transitions, 4554 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:56,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 143 transitions, 5050 flow [2021-03-26 13:36:56,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 143 transitions, 5012 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:56,222 INFO L241 Difference]: Finished difference. Result has 253 places, 134 transitions, 4693 flow [2021-03-26 13:36:56,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4523, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4693, PETRI_PLACES=253, PETRI_TRANSITIONS=134} [2021-03-26 13:36:56,223 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 221 predicate places. [2021-03-26 13:36:56,223 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:56,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 134 transitions, 4693 flow [2021-03-26 13:36:56,223 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 134 transitions, 4693 flow [2021-03-26 13:36:56,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 134 transitions, 4693 flow [2021-03-26 13:36:56,256 INFO L129 PetriNetUnfolder]: 0/388 cut-off events. [2021-03-26 13:36:56,256 INFO L130 PetriNetUnfolder]: For 12577/12585 co-relation queries the response was YES. [2021-03-26 13:36:56,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2945 conditions, 388 events. 0/388 cut-off events. For 12577/12585 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3786 event pairs, 0 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 13:36:56,258 INFO L142 LiptonReduction]: Number of co-enabled transitions 236 [2021-03-26 13:36:56,263 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:56,263 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:56,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 13:36:56,263 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 134 transitions, 4693 flow [2021-03-26 13:36:56,263 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) [2021-03-26 13:36:56,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:56,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:56,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 13:36:56,263 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:56,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:56,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1788249828, now seen corresponding path program 76 times [2021-03-26 13:36:56,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:56,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885370477] [2021-03-26 13:36:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:56,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:56,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:56,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:56,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:56,286 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:56,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:56,298 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:56,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:56,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885370477] [2021-03-26 13:36:56,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:56,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:56,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787672636] [2021-03-26 13:36:56,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:56,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:56,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:56,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:56,311 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:56,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 134 transitions, 4693 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) [2021-03-26 13:36:56,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:56,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:56,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:56,400 INFO L129 PetriNetUnfolder]: 0/387 cut-off events. [2021-03-26 13:36:56,400 INFO L130 PetriNetUnfolder]: For 12721/12744 co-relation queries the response was YES. [2021-03-26 13:36:56,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3117 conditions, 387 events. 0/387 cut-off events. For 12721/12744 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3766 event pairs, 0 based on Foata normal form. 5/392 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 13:36:56,400 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 80 selfloop transitions, 49 changer transitions 2/141 dead transitions. [2021-03-26 13:36:56,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 141 transitions, 5086 flow [2021-03-26 13:36:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:56,401 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:56,401 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:56,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,402 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) [2021-03-26 13:36:56,402 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) [2021-03-26 13:36:56,402 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) [2021-03-26 13:36:56,402 INFO L185 Difference]: Start difference. First operand has 252 places, 134 transitions, 4693 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:56,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 141 transitions, 5086 flow [2021-03-26 13:36:56,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 141 transitions, 4998 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:56,443 INFO L241 Difference]: Finished difference. Result has 258 places, 135 transitions, 4747 flow [2021-03-26 13:36:56,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4611, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4747, PETRI_PLACES=258, PETRI_TRANSITIONS=135} [2021-03-26 13:36:56,443 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 226 predicate places. [2021-03-26 13:36:56,443 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:56,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 135 transitions, 4747 flow [2021-03-26 13:36:56,443 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 135 transitions, 4747 flow [2021-03-26 13:36:56,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 135 transitions, 4747 flow [2021-03-26 13:36:56,477 INFO L129 PetriNetUnfolder]: 0/381 cut-off events. [2021-03-26 13:36:56,477 INFO L130 PetriNetUnfolder]: For 12287/12296 co-relation queries the response was YES. [2021-03-26 13:36:56,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2934 conditions, 381 events. 0/381 cut-off events. For 12287/12296 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3703 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2021-03-26 13:36:56,479 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 13:36:56,483 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:56,483 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:56,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-26 13:36:56,484 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 135 transitions, 4747 flow [2021-03-26 13:36:56,484 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) [2021-03-26 13:36:56,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:56,484 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:56,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 13:36:56,484 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:56,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:56,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1243990850, now seen corresponding path program 77 times [2021-03-26 13:36:56,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:56,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526246401] [2021-03-26 13:36:56,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:56,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:56,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:56,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:56,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:56,508 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:56,521 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:56,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:56,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526246401] [2021-03-26 13:36:56,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:56,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:56,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101107188] [2021-03-26 13:36:56,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:56,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:56,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:56,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:56,535 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:56,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 135 transitions, 4747 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) [2021-03-26 13:36:56,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:56,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:56,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:56,641 INFO L129 PetriNetUnfolder]: 0/380 cut-off events. [2021-03-26 13:36:56,641 INFO L130 PetriNetUnfolder]: For 12418/12441 co-relation queries the response was YES. [2021-03-26 13:36:56,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3103 conditions, 380 events. 0/380 cut-off events. For 12418/12441 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3660 event pairs, 0 based on Foata normal form. 5/385 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 13:36:56,642 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 79 selfloop transitions, 47 changer transitions 3/139 dead transitions. [2021-03-26 13:36:56,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 139 transitions, 5044 flow [2021-03-26 13:36:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:56,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:56,642 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:56,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:56,643 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) [2021-03-26 13:36:56,643 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) [2021-03-26 13:36:56,643 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) [2021-03-26 13:36:56,643 INFO L185 Difference]: Start difference. First operand has 257 places, 135 transitions, 4747 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:56,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 139 transitions, 5044 flow [2021-03-26 13:36:56,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 139 transitions, 4943 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:56,684 INFO L241 Difference]: Finished difference. Result has 260 places, 132 transitions, 4629 flow [2021-03-26 13:36:56,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4652, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4629, PETRI_PLACES=260, PETRI_TRANSITIONS=132} [2021-03-26 13:36:56,684 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 228 predicate places. [2021-03-26 13:36:56,685 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:56,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 132 transitions, 4629 flow [2021-03-26 13:36:56,685 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 132 transitions, 4629 flow [2021-03-26 13:36:56,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 132 transitions, 4629 flow [2021-03-26 13:36:56,717 INFO L129 PetriNetUnfolder]: 0/372 cut-off events. [2021-03-26 13:36:56,717 INFO L130 PetriNetUnfolder]: For 11803/11812 co-relation queries the response was YES. [2021-03-26 13:36:56,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 372 events. 0/372 cut-off events. For 11803/11812 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3598 event pairs, 0 based on Foata normal form. 0/370 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2021-03-26 13:36:56,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-26 13:36:56,723 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:56,723 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:56,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 13:36:56,724 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 132 transitions, 4629 flow [2021-03-26 13:36:56,724 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) [2021-03-26 13:36:56,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:56,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:56,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 13:36:56,724 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:56,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:56,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1093618200, now seen corresponding path program 78 times [2021-03-26 13:36:56,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:56,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873022714] [2021-03-26 13:36:56,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:56,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:56,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:56,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:56,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:56,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:56,755 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:56,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:56,768 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:56,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:56,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873022714] [2021-03-26 13:36:56,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:56,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:56,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071377267] [2021-03-26 13:36:56,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:56,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:56,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:56,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:56,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:56,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 132 transitions, 4629 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) [2021-03-26 13:36:56,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:56,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:56,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:56,881 INFO L129 PetriNetUnfolder]: 0/371 cut-off events. [2021-03-26 13:36:56,882 INFO L130 PetriNetUnfolder]: For 11933/11956 co-relation queries the response was YES. [2021-03-26 13:36:56,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3036 conditions, 371 events. 0/371 cut-off events. For 11933/11956 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3541 event pairs, 0 based on Foata normal form. 5/376 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 13:36:56,882 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 76 selfloop transitions, 47 changer transitions 3/136 dead transitions. [2021-03-26 13:36:56,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 136 transitions, 4920 flow [2021-03-26 13:36:56,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:56,883 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:56,883 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:56,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:56,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:56,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:56,883 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) [2021-03-26 13:36:56,884 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) [2021-03-26 13:36:56,884 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) [2021-03-26 13:36:56,884 INFO L185 Difference]: Start difference. First operand has 259 places, 132 transitions, 4629 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:56,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 136 transitions, 4920 flow [2021-03-26 13:36:56,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 136 transitions, 4826 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:56,922 INFO L241 Difference]: Finished difference. Result has 262 places, 129 transitions, 4516 flow [2021-03-26 13:36:56,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4541, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4516, PETRI_PLACES=262, PETRI_TRANSITIONS=129} [2021-03-26 13:36:56,922 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 230 predicate places. [2021-03-26 13:36:56,922 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:56,922 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 129 transitions, 4516 flow [2021-03-26 13:36:56,922 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 129 transitions, 4516 flow [2021-03-26 13:36:56,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 129 transitions, 4516 flow [2021-03-26 13:36:56,954 INFO L129 PetriNetUnfolder]: 0/363 cut-off events. [2021-03-26 13:36:56,954 INFO L130 PetriNetUnfolder]: For 11460/11469 co-relation queries the response was YES. [2021-03-26 13:36:56,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2806 conditions, 363 events. 0/363 cut-off events. For 11460/11469 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3474 event pairs, 0 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2021-03-26 13:36:56,956 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-26 13:36:56,960 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:56,960 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:56,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 13:36:56,960 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 129 transitions, 4516 flow [2021-03-26 13:36:56,960 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) [2021-03-26 13:36:56,960 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:56,960 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:56,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 13:36:56,961 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:56,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:56,961 INFO L82 PathProgramCache]: Analyzing trace with hash 609892508, now seen corresponding path program 79 times [2021-03-26 13:36:56,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:56,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110628772] [2021-03-26 13:36:56,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:56,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:56,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:56,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:56,975 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:56,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:56,984 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:56,995 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:56,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:57,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110628772] [2021-03-26 13:36:57,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:57,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:57,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038484331] [2021-03-26 13:36:57,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:57,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:57,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:57,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:57,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:57,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 129 transitions, 4516 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) [2021-03-26 13:36:57,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:57,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:57,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:57,095 INFO L129 PetriNetUnfolder]: 0/362 cut-off events. [2021-03-26 13:36:57,095 INFO L130 PetriNetUnfolder]: For 11553/11573 co-relation queries the response was YES. [2021-03-26 13:36:57,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2967 conditions, 362 events. 0/362 cut-off events. For 11553/11573 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3442 event pairs, 0 based on Foata normal form. 4/366 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 13:36:57,096 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 78 selfloop transitions, 42 changer transitions 2/132 dead transitions. [2021-03-26 13:36:57,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 132 transitions, 4795 flow [2021-03-26 13:36:57,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:57,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:57,097 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:57,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:57,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:57,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:57,097 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) [2021-03-26 13:36:57,097 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) [2021-03-26 13:36:57,097 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) [2021-03-26 13:36:57,097 INFO L185 Difference]: Start difference. First operand has 258 places, 129 transitions, 4516 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:57,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 132 transitions, 4795 flow [2021-03-26 13:36:57,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 132 transitions, 4701 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:57,136 INFO L241 Difference]: Finished difference. Result has 261 places, 128 transitions, 4457 flow [2021-03-26 13:36:57,136 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4426, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4457, PETRI_PLACES=261, PETRI_TRANSITIONS=128} [2021-03-26 13:36:57,137 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 229 predicate places. [2021-03-26 13:36:57,137 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:57,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 128 transitions, 4457 flow [2021-03-26 13:36:57,137 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 128 transitions, 4457 flow [2021-03-26 13:36:57,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 128 transitions, 4457 flow [2021-03-26 13:36:57,167 INFO L129 PetriNetUnfolder]: 0/355 cut-off events. [2021-03-26 13:36:57,167 INFO L130 PetriNetUnfolder]: For 11149/11158 co-relation queries the response was YES. [2021-03-26 13:36:57,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2756 conditions, 355 events. 0/355 cut-off events. For 11149/11158 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3377 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2021-03-26 13:36:57,169 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-26 13:36:57,174 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:57,174 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:57,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 13:36:57,174 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 128 transitions, 4457 flow [2021-03-26 13:36:57,174 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) [2021-03-26 13:36:57,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:57,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:57,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 13:36:57,174 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:57,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:57,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1548607490, now seen corresponding path program 80 times [2021-03-26 13:36:57,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:57,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326694445] [2021-03-26 13:36:57,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:57,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:57,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:57,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:57,190 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:57,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:57,199 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:57,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:57,212 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:57,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:57,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326694445] [2021-03-26 13:36:57,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:57,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:57,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094972991] [2021-03-26 13:36:57,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:57,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:57,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:57,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:57,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:57,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 128 transitions, 4457 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) [2021-03-26 13:36:57,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:57,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:57,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:57,293 INFO L129 PetriNetUnfolder]: 0/354 cut-off events. [2021-03-26 13:36:57,293 INFO L130 PetriNetUnfolder]: For 11278/11301 co-relation queries the response was YES. [2021-03-26 13:36:57,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2914 conditions, 354 events. 0/354 cut-off events. For 11278/11301 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3339 event pairs, 0 based on Foata normal form. 5/359 useless extension candidates. Maximal degree in co-relation 0. Up to 100 conditions per place. [2021-03-26 13:36:57,293 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 76 selfloop transitions, 38 changer transitions 5/129 dead transitions. [2021-03-26 13:36:57,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 129 transitions, 4699 flow [2021-03-26 13:36:57,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:57,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 304 transitions. [2021-03-26 13:36:57,294 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8194070080862533 [2021-03-26 13:36:57,294 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 304 transitions. [2021-03-26 13:36:57,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 304 transitions. [2021-03-26 13:36:57,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:57,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 304 transitions. [2021-03-26 13:36:57,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.42857142857143) internal successors, (304), 7 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:36:57,295 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) [2021-03-26 13:36:57,295 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) [2021-03-26 13:36:57,295 INFO L185 Difference]: Start difference. First operand has 259 places, 128 transitions, 4457 flow. Second operand 7 states and 304 transitions. [2021-03-26 13:36:57,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 129 transitions, 4699 flow [2021-03-26 13:36:57,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 129 transitions, 4597 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:57,334 INFO L241 Difference]: Finished difference. Result has 261 places, 123 transitions, 4271 flow [2021-03-26 13:36:57,334 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4357, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4271, PETRI_PLACES=261, PETRI_TRANSITIONS=123} [2021-03-26 13:36:57,334 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 229 predicate places. [2021-03-26 13:36:57,334 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:57,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 123 transitions, 4271 flow [2021-03-26 13:36:57,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 123 transitions, 4271 flow [2021-03-26 13:36:57,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 123 transitions, 4271 flow [2021-03-26 13:36:57,365 INFO L129 PetriNetUnfolder]: 0/344 cut-off events. [2021-03-26 13:36:57,365 INFO L130 PetriNetUnfolder]: For 10642/10644 co-relation queries the response was YES. [2021-03-26 13:36:57,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2649 conditions, 344 events. 0/344 cut-off events. For 10642/10644 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3264 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place. [2021-03-26 13:36:57,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 13:36:57,371 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:57,371 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:57,372 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 13:36:57,372 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 123 transitions, 4271 flow [2021-03-26 13:36:57,372 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) [2021-03-26 13:36:57,372 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:57,372 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:57,372 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 13:36:57,372 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:57,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:57,372 INFO L82 PathProgramCache]: Analyzing trace with hash -881931416, now seen corresponding path program 81 times [2021-03-26 13:36:57,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:57,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004543312] [2021-03-26 13:36:57,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:57,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:57,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:57,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:57,388 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:57,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:57,403 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:57,416 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:57,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:57,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004543312] [2021-03-26 13:36:57,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:57,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:57,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116510312] [2021-03-26 13:36:57,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:57,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:57,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:57,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:57,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:57,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 123 transitions, 4271 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) [2021-03-26 13:36:57,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:57,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:57,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:57,510 INFO L129 PetriNetUnfolder]: 0/343 cut-off events. [2021-03-26 13:36:57,510 INFO L130 PetriNetUnfolder]: For 10717/10723 co-relation queries the response was YES. [2021-03-26 13:36:57,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2801 conditions, 343 events. 0/343 cut-off events. For 10717/10723 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3222 event pairs, 0 based on Foata normal form. 3/346 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2021-03-26 13:36:57,511 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 49 changer transitions 3/126 dead transitions. [2021-03-26 13:36:57,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 126 transitions, 4515 flow [2021-03-26 13:36:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:57,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:57,511 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:57,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,512 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) [2021-03-26 13:36:57,512 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) [2021-03-26 13:36:57,512 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) [2021-03-26 13:36:57,512 INFO L185 Difference]: Start difference. First operand has 256 places, 123 transitions, 4271 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:57,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 126 transitions, 4515 flow [2021-03-26 13:36:57,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 126 transitions, 4375 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:57,548 INFO L241 Difference]: Finished difference. Result has 257 places, 120 transitions, 4124 flow [2021-03-26 13:36:57,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4137, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4124, PETRI_PLACES=257, PETRI_TRANSITIONS=120} [2021-03-26 13:36:57,548 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 225 predicate places. [2021-03-26 13:36:57,548 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:57,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 257 places, 120 transitions, 4124 flow [2021-03-26 13:36:57,549 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 257 places, 120 transitions, 4124 flow [2021-03-26 13:36:57,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 255 places, 120 transitions, 4124 flow [2021-03-26 13:36:57,577 INFO L129 PetriNetUnfolder]: 0/335 cut-off events. [2021-03-26 13:36:57,577 INFO L130 PetriNetUnfolder]: For 10244/10246 co-relation queries the response was YES. [2021-03-26 13:36:57,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2558 conditions, 335 events. 0/335 cut-off events. For 10244/10246 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3139 event pairs, 0 based on Foata normal form. 0/333 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-03-26 13:36:57,579 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 13:36:57,583 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:57,583 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:57,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 13:36:57,583 INFO L480 AbstractCegarLoop]: Abstraction has has 255 places, 120 transitions, 4124 flow [2021-03-26 13:36:57,583 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) [2021-03-26 13:36:57,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:57,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:57,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 13:36:57,583 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:57,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:57,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1877583166, now seen corresponding path program 82 times [2021-03-26 13:36:57,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:57,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759398640] [2021-03-26 13:36:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:57,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:57,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:57,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:57,609 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:57,618 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:57,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:57,632 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:57,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:57,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759398640] [2021-03-26 13:36:57,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:57,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:57,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478228311] [2021-03-26 13:36:57,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:57,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:57,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:57,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:57,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:57,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 120 transitions, 4124 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) [2021-03-26 13:36:57,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:57,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:57,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:57,725 INFO L129 PetriNetUnfolder]: 0/334 cut-off events. [2021-03-26 13:36:57,725 INFO L130 PetriNetUnfolder]: For 10260/10260 co-relation queries the response was YES. [2021-03-26 13:36:57,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2706 conditions, 334 events. 0/334 cut-off events. For 10260/10260 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3095 event pairs, 0 based on Foata normal form. 1/335 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2021-03-26 13:36:57,726 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 47 changer transitions 2/123 dead transitions. [2021-03-26 13:36:57,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 123 transitions, 4362 flow [2021-03-26 13:36:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:57,726 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:57,726 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:57,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,727 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) [2021-03-26 13:36:57,727 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) [2021-03-26 13:36:57,727 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) [2021-03-26 13:36:57,727 INFO L185 Difference]: Start difference. First operand has 255 places, 120 transitions, 4124 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:57,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 123 transitions, 4362 flow [2021-03-26 13:36:57,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 123 transitions, 4248 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:57,762 INFO L241 Difference]: Finished difference. Result has 256 places, 118 transitions, 4031 flow [2021-03-26 13:36:57,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=4016, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4031, PETRI_PLACES=256, PETRI_TRANSITIONS=118} [2021-03-26 13:36:57,763 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 224 predicate places. [2021-03-26 13:36:57,763 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:57,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 118 transitions, 4031 flow [2021-03-26 13:36:57,763 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 118 transitions, 4031 flow [2021-03-26 13:36:57,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 118 transitions, 4031 flow [2021-03-26 13:36:57,791 INFO L129 PetriNetUnfolder]: 0/327 cut-off events. [2021-03-26 13:36:57,791 INFO L130 PetriNetUnfolder]: For 9976/9976 co-relation queries the response was YES. [2021-03-26 13:36:57,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2497 conditions, 327 events. 0/327 cut-off events. For 9976/9976 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3053 event pairs, 0 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 0. Up to 39 conditions per place. [2021-03-26 13:36:57,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 13:36:57,797 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:57,797 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:57,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 13:36:57,797 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 118 transitions, 4031 flow [2021-03-26 13:36:57,797 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) [2021-03-26 13:36:57,797 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:57,797 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:57,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 13:36:57,797 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:57,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:57,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1543643450, now seen corresponding path program 83 times [2021-03-26 13:36:57,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:57,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740486307] [2021-03-26 13:36:57,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:57,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:57,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:57,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:57,812 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:57,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:57,822 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:57,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:57,835 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:57,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:57,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740486307] [2021-03-26 13:36:57,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:57,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:57,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384305223] [2021-03-26 13:36:57,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:57,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:57,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:57,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:57,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:57,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 118 transitions, 4031 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) [2021-03-26 13:36:57,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:57,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:57,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:57,923 INFO L129 PetriNetUnfolder]: 0/326 cut-off events. [2021-03-26 13:36:57,924 INFO L130 PetriNetUnfolder]: For 10091/10097 co-relation queries the response was YES. [2021-03-26 13:36:57,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2642 conditions, 326 events. 0/326 cut-off events. For 10091/10097 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2991 event pairs, 0 based on Foata normal form. 3/329 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2021-03-26 13:36:57,924 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 64 selfloop transitions, 44 changer transitions 3/121 dead transitions. [2021-03-26 13:36:57,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 121 transitions, 4265 flow [2021-03-26 13:36:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:57,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:57,925 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:57,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:57,925 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) [2021-03-26 13:36:57,926 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) [2021-03-26 13:36:57,926 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) [2021-03-26 13:36:57,926 INFO L185 Difference]: Start difference. First operand has 254 places, 118 transitions, 4031 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:57,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 121 transitions, 4265 flow [2021-03-26 13:36:57,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 121 transitions, 4143 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-03-26 13:36:57,960 INFO L241 Difference]: Finished difference. Result has 254 places, 115 transitions, 3902 flow [2021-03-26 13:36:57,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3915, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3902, PETRI_PLACES=254, PETRI_TRANSITIONS=115} [2021-03-26 13:36:57,960 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 222 predicate places. [2021-03-26 13:36:57,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:57,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 115 transitions, 3902 flow [2021-03-26 13:36:57,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 115 transitions, 3902 flow [2021-03-26 13:36:57,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 115 transitions, 3902 flow [2021-03-26 13:36:57,987 INFO L129 PetriNetUnfolder]: 0/318 cut-off events. [2021-03-26 13:36:57,987 INFO L130 PetriNetUnfolder]: For 9688/9690 co-relation queries the response was YES. [2021-03-26 13:36:57,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2418 conditions, 318 events. 0/318 cut-off events. For 9688/9690 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2931 event pairs, 0 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-03-26 13:36:57,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-26 13:36:57,992 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:57,992 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:57,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 13:36:57,993 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 115 transitions, 3902 flow [2021-03-26 13:36:57,993 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) [2021-03-26 13:36:57,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:57,993 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:57,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 13:36:57,993 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:57,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:57,993 INFO L82 PathProgramCache]: Analyzing trace with hash 354399346, now seen corresponding path program 84 times [2021-03-26 13:36:57,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:57,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8765216] [2021-03-26 13:36:57,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:58,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:58,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:58,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:58,019 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:58,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:58,033 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:58,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:58,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8765216] [2021-03-26 13:36:58,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:58,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:58,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236064021] [2021-03-26 13:36:58,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:58,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:58,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:58,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:58,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:58,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 115 transitions, 3902 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) [2021-03-26 13:36:58,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:58,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:58,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:58,119 INFO L129 PetriNetUnfolder]: 0/317 cut-off events. [2021-03-26 13:36:58,119 INFO L130 PetriNetUnfolder]: For 9702/9702 co-relation queries the response was YES. [2021-03-26 13:36:58,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 317 events. 0/317 cut-off events. For 9702/9702 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2885 event pairs, 0 based on Foata normal form. 1/318 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2021-03-26 13:36:58,120 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 57 selfloop transitions, 49 changer transitions 2/118 dead transitions. [2021-03-26 13:36:58,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 118 transitions, 4130 flow [2021-03-26 13:36:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:58,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:58,121 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:58,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,121 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) [2021-03-26 13:36:58,121 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) [2021-03-26 13:36:58,121 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) [2021-03-26 13:36:58,121 INFO L185 Difference]: Start difference. First operand has 252 places, 115 transitions, 3902 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:58,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 118 transitions, 4130 flow [2021-03-26 13:36:58,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 118 transitions, 4046 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:58,153 INFO L241 Difference]: Finished difference. Result has 253 places, 113 transitions, 3842 flow [2021-03-26 13:36:58,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3824, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3842, PETRI_PLACES=253, PETRI_TRANSITIONS=113} [2021-03-26 13:36:58,153 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 221 predicate places. [2021-03-26 13:36:58,153 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:58,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 113 transitions, 3842 flow [2021-03-26 13:36:58,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 113 transitions, 3842 flow [2021-03-26 13:36:58,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 251 places, 113 transitions, 3842 flow [2021-03-26 13:36:58,179 INFO L129 PetriNetUnfolder]: 0/312 cut-off events. [2021-03-26 13:36:58,180 INFO L130 PetriNetUnfolder]: For 9602/9604 co-relation queries the response was YES. [2021-03-26 13:36:58,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2377 conditions, 312 events. 0/312 cut-off events. For 9602/9604 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2857 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 0. Up to 37 conditions per place. [2021-03-26 13:36:58,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 13:36:58,185 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:58,185 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:58,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 13:36:58,185 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 113 transitions, 3842 flow [2021-03-26 13:36:58,185 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) [2021-03-26 13:36:58,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:58,185 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:58,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 13:36:58,185 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:58,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:58,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1429379130, now seen corresponding path program 85 times [2021-03-26 13:36:58,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:58,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727660502] [2021-03-26 13:36:58,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:58,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:58,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:58,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:58,201 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:58,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:58,210 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:58,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:58,223 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:58,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:58,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:58,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727660502] [2021-03-26 13:36:58,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:58,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:58,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496276391] [2021-03-26 13:36:58,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:58,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:58,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:58,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:58,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:58,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 113 transitions, 3842 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) [2021-03-26 13:36:58,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:58,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:58,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:58,311 INFO L129 PetriNetUnfolder]: 0/311 cut-off events. [2021-03-26 13:36:58,311 INFO L130 PetriNetUnfolder]: For 9615/9615 co-relation queries the response was YES. [2021-03-26 13:36:58,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2515 conditions, 311 events. 0/311 cut-off events. For 9615/9615 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2806 event pairs, 0 based on Foata normal form. 1/312 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:58,311 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 56 selfloop transitions, 47 changer transitions 3/116 dead transitions. [2021-03-26 13:36:58,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 116 transitions, 4066 flow [2021-03-26 13:36:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:58,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:58,312 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:58,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,312 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) [2021-03-26 13:36:58,313 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) [2021-03-26 13:36:58,313 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) [2021-03-26 13:36:58,313 INFO L185 Difference]: Start difference. First operand has 251 places, 113 transitions, 3842 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:58,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 116 transitions, 4066 flow [2021-03-26 13:36:58,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 116 transitions, 3967 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:58,344 INFO L241 Difference]: Finished difference. Result has 252 places, 110 transitions, 3729 flow [2021-03-26 13:36:58,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3749, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3729, PETRI_PLACES=252, PETRI_TRANSITIONS=110} [2021-03-26 13:36:58,345 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 220 predicate places. [2021-03-26 13:36:58,345 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:58,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 252 places, 110 transitions, 3729 flow [2021-03-26 13:36:58,345 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 252 places, 110 transitions, 3729 flow [2021-03-26 13:36:58,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 110 transitions, 3729 flow [2021-03-26 13:36:58,370 INFO L129 PetriNetUnfolder]: 0/304 cut-off events. [2021-03-26 13:36:58,370 INFO L130 PetriNetUnfolder]: For 9110/9112 co-relation queries the response was YES. [2021-03-26 13:36:58,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2315 conditions, 304 events. 0/304 cut-off events. For 9110/9112 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2748 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 0. Up to 36 conditions per place. [2021-03-26 13:36:58,372 INFO L142 LiptonReduction]: Number of co-enabled transitions 188 [2021-03-26 13:36:58,376 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:58,376 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:58,376 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-26 13:36:58,376 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 110 transitions, 3729 flow [2021-03-26 13:36:58,376 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) [2021-03-26 13:36:58,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:58,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:58,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 13:36:58,376 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:58,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:58,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1306557062, now seen corresponding path program 86 times [2021-03-26 13:36:58,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:58,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272730463] [2021-03-26 13:36:58,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:58,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:58,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:58,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:58,391 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:58,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:58,400 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:58,413 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:58,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272730463] [2021-03-26 13:36:58,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:58,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:58,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9784109] [2021-03-26 13:36:58,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:58,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:58,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:58,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:58,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:58,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 110 transitions, 3729 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) [2021-03-26 13:36:58,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:58,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:58,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:58,498 INFO L129 PetriNetUnfolder]: 0/303 cut-off events. [2021-03-26 13:36:58,498 INFO L130 PetriNetUnfolder]: For 9181/9187 co-relation queries the response was YES. [2021-03-26 13:36:58,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2449 conditions, 303 events. 0/303 cut-off events. For 9181/9187 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2719 event pairs, 0 based on Foata normal form. 3/306 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:58,499 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 53 selfloop transitions, 46 changer transitions 4/113 dead transitions. [2021-03-26 13:36:58,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 113 transitions, 3947 flow [2021-03-26 13:36:58,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:58,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:58,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:58,499 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:58,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,500 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) [2021-03-26 13:36:58,500 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) [2021-03-26 13:36:58,500 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) [2021-03-26 13:36:58,500 INFO L185 Difference]: Start difference. First operand has 247 places, 110 transitions, 3729 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:58,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 113 transitions, 3947 flow [2021-03-26 13:36:58,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 113 transitions, 3817 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-03-26 13:36:58,530 INFO L241 Difference]: Finished difference. Result has 246 places, 106 transitions, 3562 flow [2021-03-26 13:36:58,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3605, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3562, PETRI_PLACES=246, PETRI_TRANSITIONS=106} [2021-03-26 13:36:58,530 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 214 predicate places. [2021-03-26 13:36:58,530 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:58,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 106 transitions, 3562 flow [2021-03-26 13:36:58,530 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 106 transitions, 3562 flow [2021-03-26 13:36:58,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 106 transitions, 3562 flow [2021-03-26 13:36:58,553 INFO L129 PetriNetUnfolder]: 0/294 cut-off events. [2021-03-26 13:36:58,554 INFO L130 PetriNetUnfolder]: For 8506/8508 co-relation queries the response was YES. [2021-03-26 13:36:58,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2224 conditions, 294 events. 0/294 cut-off events. For 8506/8508 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2627 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. [2021-03-26 13:36:58,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-26 13:36:58,558 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:58,558 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:58,558 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-26 13:36:58,559 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 106 transitions, 3562 flow [2021-03-26 13:36:58,559 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) [2021-03-26 13:36:58,559 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:58,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:58,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 13:36:58,559 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:58,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:58,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1317060166, now seen corresponding path program 87 times [2021-03-26 13:36:58,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:58,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478630208] [2021-03-26 13:36:58,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:58,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:58,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:58,568 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:58,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:58,579 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:58,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:58,594 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:58,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:58,610 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:58,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:58,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:58,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478630208] [2021-03-26 13:36:58,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:58,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:58,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305911114] [2021-03-26 13:36:58,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:58,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:58,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:58,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:58,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:58,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 106 transitions, 3562 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) [2021-03-26 13:36:58,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:58,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:58,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:58,681 INFO L129 PetriNetUnfolder]: 0/293 cut-off events. [2021-03-26 13:36:58,682 INFO L130 PetriNetUnfolder]: For 8576/8582 co-relation queries the response was YES. [2021-03-26 13:36:58,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 293 events. 0/293 cut-off events. For 8576/8582 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2596 event pairs, 0 based on Foata normal form. 3/296 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2021-03-26 13:36:58,682 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 45 changer transitions 2/109 dead transitions. [2021-03-26 13:36:58,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 109 transitions, 3772 flow [2021-03-26 13:36:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:58,683 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:58,683 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:58,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,683 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) [2021-03-26 13:36:58,684 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) [2021-03-26 13:36:58,684 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) [2021-03-26 13:36:58,684 INFO L185 Difference]: Start difference. First operand has 241 places, 106 transitions, 3562 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:58,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 109 transitions, 3772 flow [2021-03-26 13:36:58,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 109 transitions, 3591 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-26 13:36:58,710 INFO L241 Difference]: Finished difference. Result has 240 places, 104 transitions, 3394 flow [2021-03-26 13:36:58,710 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3387, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3394, PETRI_PLACES=240, PETRI_TRANSITIONS=104} [2021-03-26 13:36:58,710 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 208 predicate places. [2021-03-26 13:36:58,710 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:58,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 104 transitions, 3394 flow [2021-03-26 13:36:58,711 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 104 transitions, 3394 flow [2021-03-26 13:36:58,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 104 transitions, 3394 flow [2021-03-26 13:36:58,734 INFO L129 PetriNetUnfolder]: 0/287 cut-off events. [2021-03-26 13:36:58,734 INFO L130 PetriNetUnfolder]: For 7562/7562 co-relation queries the response was YES. [2021-03-26 13:36:58,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2134 conditions, 287 events. 0/287 cut-off events. For 7562/7562 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2529 event pairs, 0 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 0. Up to 34 conditions per place. [2021-03-26 13:36:58,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 158 [2021-03-26 13:36:58,738 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:58,738 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:58,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 13:36:58,739 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 104 transitions, 3394 flow [2021-03-26 13:36:58,739 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) [2021-03-26 13:36:58,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:58,739 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:58,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 13:36:58,739 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:58,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:58,739 INFO L82 PathProgramCache]: Analyzing trace with hash 282788324, now seen corresponding path program 88 times [2021-03-26 13:36:58,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:58,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419861753] [2021-03-26 13:36:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:58,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:58,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:58,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:58,758 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:58,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:58,767 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:58,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:58,779 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:58,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:58,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419861753] [2021-03-26 13:36:58,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:58,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:58,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167256991] [2021-03-26 13:36:58,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:58,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:58,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:58,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:58,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:58,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 104 transitions, 3394 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) [2021-03-26 13:36:58,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:58,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:58,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:58,861 INFO L129 PetriNetUnfolder]: 0/286 cut-off events. [2021-03-26 13:36:58,862 INFO L130 PetriNetUnfolder]: For 7613/7613 co-relation queries the response was YES. [2021-03-26 13:36:58,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 286 events. 0/286 cut-off events. For 7613/7613 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2500 event pairs, 0 based on Foata normal form. 1/287 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:58,862 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 41 changer transitions 2/107 dead transitions. [2021-03-26 13:36:58,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 107 transitions, 3600 flow [2021-03-26 13:36:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:58,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:58,863 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:58,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:58,863 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) [2021-03-26 13:36:58,863 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) [2021-03-26 13:36:58,864 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) [2021-03-26 13:36:58,864 INFO L185 Difference]: Start difference. First operand has 238 places, 104 transitions, 3394 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:58,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 107 transitions, 3600 flow [2021-03-26 13:36:58,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 107 transitions, 3521 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:58,889 INFO L241 Difference]: Finished difference. Result has 240 places, 102 transitions, 3322 flow [2021-03-26 13:36:58,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3321, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3322, PETRI_PLACES=240, PETRI_TRANSITIONS=102} [2021-03-26 13:36:58,889 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 208 predicate places. [2021-03-26 13:36:58,889 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:58,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 102 transitions, 3322 flow [2021-03-26 13:36:58,889 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 102 transitions, 3322 flow [2021-03-26 13:36:58,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 102 transitions, 3322 flow [2021-03-26 13:36:58,911 INFO L129 PetriNetUnfolder]: 0/280 cut-off events. [2021-03-26 13:36:58,911 INFO L130 PetriNetUnfolder]: For 7236/7236 co-relation queries the response was YES. [2021-03-26 13:36:58,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2097 conditions, 280 events. 0/280 cut-off events. For 7236/7236 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2435 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 0. Up to 33 conditions per place. [2021-03-26 13:36:58,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-26 13:36:58,916 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:58,916 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:58,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-26 13:36:58,916 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 102 transitions, 3322 flow [2021-03-26 13:36:58,916 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) [2021-03-26 13:36:58,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:58,916 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:58,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 13:36:58,916 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:58,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:58,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1341013694, now seen corresponding path program 89 times [2021-03-26 13:36:58,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:58,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177887221] [2021-03-26 13:36:58,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:58,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:58,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:58,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:58,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:58,933 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:58,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:58,942 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:58,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:58,955 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:58,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:58,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177887221] [2021-03-26 13:36:58,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:58,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:58,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104723963] [2021-03-26 13:36:58,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:58,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:58,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:58,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:58,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:58,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 102 transitions, 3322 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) [2021-03-26 13:36:58,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:58,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:58,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:59,037 INFO L129 PetriNetUnfolder]: 0/279 cut-off events. [2021-03-26 13:36:59,037 INFO L130 PetriNetUnfolder]: For 7345/7351 co-relation queries the response was YES. [2021-03-26 13:36:59,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2220 conditions, 279 events. 0/279 cut-off events. For 7345/7351 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2413 event pairs, 0 based on Foata normal form. 3/282 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:59,038 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 54 selfloop transitions, 37 changer transitions 3/104 dead transitions. [2021-03-26 13:36:59,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 104 transitions, 3518 flow [2021-03-26 13:36:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:59,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:59,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:59,038 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:59,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,039 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) [2021-03-26 13:36:59,039 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) [2021-03-26 13:36:59,039 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) [2021-03-26 13:36:59,039 INFO L185 Difference]: Start difference. First operand has 238 places, 102 transitions, 3322 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:59,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 104 transitions, 3518 flow [2021-03-26 13:36:59,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 104 transitions, 3454 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:59,063 INFO L241 Difference]: Finished difference. Result has 240 places, 99 transitions, 3227 flow [2021-03-26 13:36:59,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3262, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3227, PETRI_PLACES=240, PETRI_TRANSITIONS=99} [2021-03-26 13:36:59,064 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 208 predicate places. [2021-03-26 13:36:59,064 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:59,064 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 99 transitions, 3227 flow [2021-03-26 13:36:59,064 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 99 transitions, 3227 flow [2021-03-26 13:36:59,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 99 transitions, 3227 flow [2021-03-26 13:36:59,085 INFO L129 PetriNetUnfolder]: 0/272 cut-off events. [2021-03-26 13:36:59,085 INFO L130 PetriNetUnfolder]: For 7251/7253 co-relation queries the response was YES. [2021-03-26 13:36:59,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2034 conditions, 272 events. 0/272 cut-off events. For 7251/7253 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2349 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place. [2021-03-26 13:36:59,087 INFO L142 LiptonReduction]: Number of co-enabled transitions 146 [2021-03-26 13:36:59,089 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:59,089 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:59,090 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-26 13:36:59,090 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 99 transitions, 3227 flow [2021-03-26 13:36:59,090 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) [2021-03-26 13:36:59,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:59,090 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:59,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 13:36:59,090 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:59,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:59,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1662178528, now seen corresponding path program 90 times [2021-03-26 13:36:59,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:59,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920256209] [2021-03-26 13:36:59,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:59,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:59,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:59,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:59,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:59,111 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:59,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:59,121 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:59,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:59,134 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:59,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:59,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920256209] [2021-03-26 13:36:59,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:59,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:59,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389537909] [2021-03-26 13:36:59,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:59,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:59,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:59,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:59,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:59,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 99 transitions, 3227 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) [2021-03-26 13:36:59,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:59,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:59,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:59,202 INFO L129 PetriNetUnfolder]: 0/271 cut-off events. [2021-03-26 13:36:59,202 INFO L130 PetriNetUnfolder]: For 7318/7324 co-relation queries the response was YES. [2021-03-26 13:36:59,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2153 conditions, 271 events. 0/271 cut-off events. For 7318/7324 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2309 event pairs, 0 based on Foata normal form. 3/274 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2021-03-26 13:36:59,203 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 51 selfloop transitions, 38 changer transitions 3/102 dead transitions. [2021-03-26 13:36:59,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 102 transitions, 3423 flow [2021-03-26 13:36:59,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:59,203 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:59,203 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:59,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,204 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) [2021-03-26 13:36:59,204 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) [2021-03-26 13:36:59,204 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) [2021-03-26 13:36:59,204 INFO L185 Difference]: Start difference. First operand has 235 places, 99 transitions, 3227 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:59,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 102 transitions, 3423 flow [2021-03-26 13:36:59,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 102 transitions, 3281 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 13:36:59,227 INFO L241 Difference]: Finished difference. Result has 235 places, 96 transitions, 3070 flow [2021-03-26 13:36:59,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=3091, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3070, PETRI_PLACES=235, PETRI_TRANSITIONS=96} [2021-03-26 13:36:59,228 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 203 predicate places. [2021-03-26 13:36:59,228 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:59,229 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 96 transitions, 3070 flow [2021-03-26 13:36:59,229 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 96 transitions, 3070 flow [2021-03-26 13:36:59,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 96 transitions, 3070 flow [2021-03-26 13:36:59,248 INFO L129 PetriNetUnfolder]: 0/263 cut-off events. [2021-03-26 13:36:59,249 INFO L130 PetriNetUnfolder]: For 6533/6535 co-relation queries the response was YES. [2021-03-26 13:36:59,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1952 conditions, 263 events. 0/263 cut-off events. For 6533/6535 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2247 event pairs, 0 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 0. Up to 31 conditions per place. [2021-03-26 13:36:59,250 INFO L142 LiptonReduction]: Number of co-enabled transitions 146 [2021-03-26 13:36:59,253 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:59,253 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:59,253 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 13:36:59,253 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 96 transitions, 3070 flow [2021-03-26 13:36:59,253 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) [2021-03-26 13:36:59,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:59,253 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:59,253 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 13:36:59,254 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:59,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:59,254 INFO L82 PathProgramCache]: Analyzing trace with hash 871123010, now seen corresponding path program 91 times [2021-03-26 13:36:59,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:59,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506456596] [2021-03-26 13:36:59,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:59,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:59,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:59,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:59,272 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:59,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:59,289 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:59,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:59,303 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:59,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506456596] [2021-03-26 13:36:59,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:59,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:59,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358995374] [2021-03-26 13:36:59,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:59,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:59,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:59,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:59,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:59,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 96 transitions, 3070 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) [2021-03-26 13:36:59,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:59,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:59,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:59,375 INFO L129 PetriNetUnfolder]: 0/262 cut-off events. [2021-03-26 13:36:59,375 INFO L130 PetriNetUnfolder]: For 6540/6540 co-relation queries the response was YES. [2021-03-26 13:36:59,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 262 events. 0/262 cut-off events. For 6540/6540 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2210 event pairs, 0 based on Foata normal form. 1/263 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 13:36:59,375 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 45 selfloop transitions, 42 changer transitions 2/99 dead transitions. [2021-03-26 13:36:59,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 99 transitions, 3260 flow [2021-03-26 13:36:59,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:59,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:59,376 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:59,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,377 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) [2021-03-26 13:36:59,377 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) [2021-03-26 13:36:59,377 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) [2021-03-26 13:36:59,377 INFO L185 Difference]: Start difference. First operand has 233 places, 96 transitions, 3070 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:59,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 99 transitions, 3260 flow [2021-03-26 13:36:59,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 99 transitions, 3171 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-26 13:36:59,399 INFO L241 Difference]: Finished difference. Result has 234 places, 94 transitions, 2992 flow [2021-03-26 13:36:59,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2987, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2992, PETRI_PLACES=234, PETRI_TRANSITIONS=94} [2021-03-26 13:36:59,399 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 202 predicate places. [2021-03-26 13:36:59,399 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:59,399 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 94 transitions, 2992 flow [2021-03-26 13:36:59,399 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 94 transitions, 2992 flow [2021-03-26 13:36:59,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 229 places, 94 transitions, 2992 flow [2021-03-26 13:36:59,418 INFO L129 PetriNetUnfolder]: 0/256 cut-off events. [2021-03-26 13:36:59,418 INFO L130 PetriNetUnfolder]: For 6364/6364 co-relation queries the response was YES. [2021-03-26 13:36:59,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1901 conditions, 256 events. 0/256 cut-off events. For 6364/6364 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2160 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-03-26 13:36:59,420 INFO L142 LiptonReduction]: Number of co-enabled transitions 134 [2021-03-26 13:36:59,422 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:59,422 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:59,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-26 13:36:59,423 INFO L480 AbstractCegarLoop]: Abstraction has has 229 places, 94 transitions, 2992 flow [2021-03-26 13:36:59,423 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) [2021-03-26 13:36:59,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:59,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:59,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 13:36:59,423 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:59,423 INFO L82 PathProgramCache]: Analyzing trace with hash 719846108, now seen corresponding path program 92 times [2021-03-26 13:36:59,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:59,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293504510] [2021-03-26 13:36:59,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:59,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:59,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:59,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:59,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:59,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:59,457 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:59,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:59,470 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:59,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:59,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293504510] [2021-03-26 13:36:59,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:59,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:59,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796201264] [2021-03-26 13:36:59,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:59,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:59,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:59,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:59,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:59,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 94 transitions, 2992 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) [2021-03-26 13:36:59,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:59,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:59,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:59,561 INFO L129 PetriNetUnfolder]: 0/255 cut-off events. [2021-03-26 13:36:59,561 INFO L130 PetriNetUnfolder]: For 6470/6476 co-relation queries the response was YES. [2021-03-26 13:36:59,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2013 conditions, 255 events. 0/255 cut-off events. For 6470/6476 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2132 event pairs, 0 based on Foata normal form. 3/258 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2021-03-26 13:36:59,562 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 45 selfloop transitions, 37 changer transitions 4/96 dead transitions. [2021-03-26 13:36:59,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 96 transitions, 3172 flow [2021-03-26 13:36:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:59,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:59,566 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:59,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,566 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) [2021-03-26 13:36:59,567 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) [2021-03-26 13:36:59,567 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) [2021-03-26 13:36:59,567 INFO L185 Difference]: Start difference. First operand has 229 places, 94 transitions, 2992 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:59,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 96 transitions, 3172 flow [2021-03-26 13:36:59,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 96 transitions, 3094 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:59,587 INFO L241 Difference]: Finished difference. Result has 231 places, 90 transitions, 2864 flow [2021-03-26 13:36:59,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2918, PETRI_DIFFERENCE_MINUEND_PLACES=224, 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=2864, PETRI_PLACES=231, PETRI_TRANSITIONS=90} [2021-03-26 13:36:59,587 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 199 predicate places. [2021-03-26 13:36:59,587 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:59,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 90 transitions, 2864 flow [2021-03-26 13:36:59,587 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 90 transitions, 2864 flow [2021-03-26 13:36:59,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 226 places, 90 transitions, 2864 flow [2021-03-26 13:36:59,605 INFO L129 PetriNetUnfolder]: 0/246 cut-off events. [2021-03-26 13:36:59,605 INFO L130 PetriNetUnfolder]: For 5867/5869 co-relation queries the response was YES. [2021-03-26 13:36:59,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 246 events. 0/246 cut-off events. For 5867/5869 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2044 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2021-03-26 13:36:59,607 INFO L142 LiptonReduction]: Number of co-enabled transitions 124 [2021-03-26 13:36:59,609 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:59,609 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:59,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 13:36:59,609 INFO L480 AbstractCegarLoop]: Abstraction has has 226 places, 90 transitions, 2864 flow [2021-03-26 13:36:59,609 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) [2021-03-26 13:36:59,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:59,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:59,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 13:36:59,610 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:59,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:59,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1761422176, now seen corresponding path program 93 times [2021-03-26 13:36:59,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:59,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141257608] [2021-03-26 13:36:59,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:59,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:59,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:59,619 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:59,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:59,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:59,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:59,647 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:59,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:59,660 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:59,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:59,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141257608] [2021-03-26 13:36:59,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:59,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:59,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011173971] [2021-03-26 13:36:59,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:59,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:59,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:59,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:59,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:59,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 90 transitions, 2864 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) [2021-03-26 13:36:59,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:59,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:59,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:59,732 INFO L129 PetriNetUnfolder]: 0/245 cut-off events. [2021-03-26 13:36:59,732 INFO L130 PetriNetUnfolder]: For 5931/5937 co-relation queries the response was YES. [2021-03-26 13:36:59,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 245 events. 0/245 cut-off events. For 5931/5937 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2023 event pairs, 0 based on Foata normal form. 3/248 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-03-26 13:36:59,732 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 41 selfloop transitions, 39 changer transitions 3/93 dead transitions. [2021-03-26 13:36:59,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 93 transitions, 3042 flow [2021-03-26 13:36:59,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 307 transitions. [2021-03-26 13:36:59,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8274932614555256 [2021-03-26 13:36:59,733 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:59,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 307 transitions. [2021-03-26 13:36:59,733 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) [2021-03-26 13:36:59,734 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) [2021-03-26 13:36:59,734 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) [2021-03-26 13:36:59,734 INFO L185 Difference]: Start difference. First operand has 226 places, 90 transitions, 2864 flow. Second operand 7 states and 307 transitions. [2021-03-26 13:36:59,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 93 transitions, 3042 flow [2021-03-26 13:36:59,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 93 transitions, 2935 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:59,753 INFO L241 Difference]: Finished difference. Result has 228 places, 87 transitions, 2739 flow [2021-03-26 13:36:59,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2763, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2739, PETRI_PLACES=228, PETRI_TRANSITIONS=87} [2021-03-26 13:36:59,753 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 196 predicate places. [2021-03-26 13:36:59,753 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:59,753 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 228 places, 87 transitions, 2739 flow [2021-03-26 13:36:59,753 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 228 places, 87 transitions, 2739 flow [2021-03-26 13:36:59,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 87 transitions, 2739 flow [2021-03-26 13:36:59,770 INFO L129 PetriNetUnfolder]: 0/237 cut-off events. [2021-03-26 13:36:59,770 INFO L130 PetriNetUnfolder]: For 5435/5435 co-relation queries the response was YES. [2021-03-26 13:36:59,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1763 conditions, 237 events. 0/237 cut-off events. For 5435/5435 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1938 event pairs, 0 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 0. Up to 28 conditions per place. [2021-03-26 13:36:59,772 INFO L142 LiptonReduction]: Number of co-enabled transitions 118 [2021-03-26 13:36:59,774 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:59,774 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:59,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 13:36:59,774 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 87 transitions, 2739 flow [2021-03-26 13:36:59,774 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) [2021-03-26 13:36:59,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:59,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:59,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 13:36:59,774 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:59,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:59,775 INFO L82 PathProgramCache]: Analyzing trace with hash 172773532, now seen corresponding path program 94 times [2021-03-26 13:36:59,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:59,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688524795] [2021-03-26 13:36:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:59,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:59,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:59,792 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:59,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:59,805 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:59,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:59,819 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:59,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:59,833 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:59,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:36:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:59,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688524795] [2021-03-26 13:36:59,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:59,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:36:59,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595014196] [2021-03-26 13:36:59,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:36:59,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:59,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:36:59,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:36:59,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:36:59,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 87 transitions, 2739 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) [2021-03-26 13:36:59,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:59,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:36:59,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:59,894 INFO L129 PetriNetUnfolder]: 0/236 cut-off events. [2021-03-26 13:36:59,894 INFO L130 PetriNetUnfolder]: For 5480/5480 co-relation queries the response was YES. [2021-03-26 13:36:59,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1866 conditions, 236 events. 0/236 cut-off events. For 5480/5480 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1909 event pairs, 0 based on Foata normal form. 1/237 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-03-26 13:36:59,894 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 41 selfloop transitions, 37 changer transitions 2/90 dead transitions. [2021-03-26 13:36:59,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 90 transitions, 2911 flow [2021-03-26 13:36:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:36:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:36:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:36:59,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:36:59,895 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:59,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:36:59,895 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) [2021-03-26 13:36:59,896 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) [2021-03-26 13:36:59,896 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) [2021-03-26 13:36:59,896 INFO L185 Difference]: Start difference. First operand has 220 places, 87 transitions, 2739 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:36:59,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 90 transitions, 2911 flow [2021-03-26 13:36:59,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 90 transitions, 2774 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-03-26 13:36:59,914 INFO L241 Difference]: Finished difference. Result has 219 places, 85 transitions, 2609 flow [2021-03-26 13:36:59,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2608, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2609, PETRI_PLACES=219, PETRI_TRANSITIONS=85} [2021-03-26 13:36:59,914 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 187 predicate places. [2021-03-26 13:36:59,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:59,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 85 transitions, 2609 flow [2021-03-26 13:36:59,914 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 85 transitions, 2609 flow [2021-03-26 13:36:59,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 85 transitions, 2609 flow [2021-03-26 13:36:59,930 INFO L129 PetriNetUnfolder]: 0/229 cut-off events. [2021-03-26 13:36:59,931 INFO L130 PetriNetUnfolder]: For 5077/5077 co-relation queries the response was YES. [2021-03-26 13:36:59,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 229 events. 0/229 cut-off events. For 5077/5077 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1852 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 0. Up to 27 conditions per place. [2021-03-26 13:36:59,932 INFO L142 LiptonReduction]: Number of co-enabled transitions 118 [2021-03-26 13:36:59,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:59,934 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:59,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 13:36:59,934 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 85 transitions, 2609 flow [2021-03-26 13:36:59,934 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) [2021-03-26 13:36:59,934 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:59,934 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:59,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 13:36:59,934 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:36:59,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:59,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1854915744, now seen corresponding path program 95 times [2021-03-26 13:36:59,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:59,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015435971] [2021-03-26 13:36:59,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:59,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:59,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:59,952 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:59,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:59,963 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:59,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:59,977 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:59,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:59,990 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:36:59,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015435971] [2021-03-26 13:37:00,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:00,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264320566] [2021-03-26 13:37:00,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:00,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:00,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:00,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:00,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 85 transitions, 2609 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) [2021-03-26 13:37:00,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:00,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:00,056 INFO L129 PetriNetUnfolder]: 0/228 cut-off events. [2021-03-26 13:37:00,056 INFO L130 PetriNetUnfolder]: For 5180/5186 co-relation queries the response was YES. [2021-03-26 13:37:00,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1776 conditions, 228 events. 0/228 cut-off events. For 5180/5186 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1833 event pairs, 0 based on Foata normal form. 3/231 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2021-03-26 13:37:00,057 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 38 selfloop transitions, 36 changer transitions 4/88 dead transitions. [2021-03-26 13:37:00,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 88 transitions, 2777 flow [2021-03-26 13:37:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 305 transitions. [2021-03-26 13:37:00,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221024258760108 [2021-03-26 13:37:00,058 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 305 transitions. [2021-03-26 13:37:00,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 305 transitions. [2021-03-26 13:37:00,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:00,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 305 transitions. [2021-03-26 13:37:00,058 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) [2021-03-26 13:37:00,058 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) [2021-03-26 13:37:00,058 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) [2021-03-26 13:37:00,058 INFO L185 Difference]: Start difference. First operand has 211 places, 85 transitions, 2609 flow. Second operand 7 states and 305 transitions. [2021-03-26 13:37:00,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 88 transitions, 2777 flow [2021-03-26 13:37:00,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 88 transitions, 2623 flow, removed 9 selfloop flow, removed 10 redundant places. [2021-03-26 13:37:00,076 INFO L241 Difference]: Finished difference. Result has 208 places, 81 transitions, 2411 flow [2021-03-26 13:37:00,076 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2461, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2411, PETRI_PLACES=208, PETRI_TRANSITIONS=81} [2021-03-26 13:37:00,076 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 176 predicate places. [2021-03-26 13:37:00,076 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:00,076 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 81 transitions, 2411 flow [2021-03-26 13:37:00,076 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 81 transitions, 2411 flow [2021-03-26 13:37:00,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 81 transitions, 2411 flow [2021-03-26 13:37:00,091 INFO L129 PetriNetUnfolder]: 0/219 cut-off events. [2021-03-26 13:37:00,091 INFO L130 PetriNetUnfolder]: For 4629/4629 co-relation queries the response was YES. [2021-03-26 13:37:00,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1543 conditions, 219 events. 0/219 cut-off events. For 4629/4629 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1744 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2021-03-26 13:37:00,092 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-26 13:37:00,094 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:00,094 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:00,094 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 13:37:00,094 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 81 transitions, 2411 flow [2021-03-26 13:37:00,095 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) [2021-03-26 13:37:00,095 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:00,095 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:00,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 13:37:00,095 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:00,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:00,095 INFO L82 PathProgramCache]: Analyzing trace with hash 732707168, now seen corresponding path program 96 times [2021-03-26 13:37:00,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:00,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913219208] [2021-03-26 13:37:00,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:00,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:00,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:00,106 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:00,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:00,112 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:00,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:00,122 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:00,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:00,135 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:00,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913219208] [2021-03-26 13:37:00,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:00,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198701383] [2021-03-26 13:37:00,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:00,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:00,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:00,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:00,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 81 transitions, 2411 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) [2021-03-26 13:37:00,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:00,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:00,218 INFO L129 PetriNetUnfolder]: 0/218 cut-off events. [2021-03-26 13:37:00,218 INFO L130 PetriNetUnfolder]: For 4731/4737 co-relation queries the response was YES. [2021-03-26 13:37:00,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1638 conditions, 218 events. 0/218 cut-off events. For 4731/4737 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1726 event pairs, 0 based on Foata normal form. 3/221 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 13:37:00,219 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 52 selfloop transitions, 21 changer transitions 2/85 dead transitions. [2021-03-26 13:37:00,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 85 transitions, 2621 flow [2021-03-26 13:37:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:37:00,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:37:00,220 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:00,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,224 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) [2021-03-26 13:37:00,225 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) [2021-03-26 13:37:00,225 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) [2021-03-26 13:37:00,225 INFO L185 Difference]: Start difference. First operand has 192 places, 81 transitions, 2411 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:37:00,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 85 transitions, 2621 flow [2021-03-26 13:37:00,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 85 transitions, 2304 flow, removed 11 selfloop flow, removed 18 redundant places. [2021-03-26 13:37:00,241 INFO L241 Difference]: Finished difference. Result has 182 places, 81 transitions, 2138 flow [2021-03-26 13:37:00,241 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2107, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2138, PETRI_PLACES=182, PETRI_TRANSITIONS=81} [2021-03-26 13:37:00,241 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 150 predicate places. [2021-03-26 13:37:00,241 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:00,241 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 81 transitions, 2138 flow [2021-03-26 13:37:00,241 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 81 transitions, 2138 flow [2021-03-26 13:37:00,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 81 transitions, 2138 flow [2021-03-26 13:37:00,254 INFO L129 PetriNetUnfolder]: 0/211 cut-off events. [2021-03-26 13:37:00,254 INFO L130 PetriNetUnfolder]: For 3173/3175 co-relation queries the response was YES. [2021-03-26 13:37:00,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1394 conditions, 211 events. 0/211 cut-off events. For 3173/3175 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1660 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2021-03-26 13:37:00,255 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-26 13:37:00,257 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:00,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:00,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-26 13:37:00,258 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 81 transitions, 2138 flow [2021-03-26 13:37:00,258 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) [2021-03-26 13:37:00,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:00,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:00,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 13:37:00,258 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:00,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:00,258 INFO L82 PathProgramCache]: Analyzing trace with hash 861745350, now seen corresponding path program 97 times [2021-03-26 13:37:00,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:00,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938357990] [2021-03-26 13:37:00,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:00,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:00,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:00,268 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:00,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:00,275 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:00,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:00,284 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:00,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:00,298 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:00,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938357990] [2021-03-26 13:37:00,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:00,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389506996] [2021-03-26 13:37:00,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:00,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:00,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:00,312 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:00,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 81 transitions, 2138 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) [2021-03-26 13:37:00,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:00,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:00,354 INFO L129 PetriNetUnfolder]: 0/210 cut-off events. [2021-03-26 13:37:00,354 INFO L130 PetriNetUnfolder]: For 3201/3201 co-relation queries the response was YES. [2021-03-26 13:37:00,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1486 conditions, 210 events. 0/210 cut-off events. For 3201/3201 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1642 event pairs, 0 based on Foata normal form. 1/211 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 13:37:00,355 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 51 selfloop transitions, 19 changer transitions 3/83 dead transitions. [2021-03-26 13:37:00,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 83 transitions, 2292 flow [2021-03-26 13:37:00,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:37:00,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:37:00,356 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:00,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,356 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) [2021-03-26 13:37:00,357 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) [2021-03-26 13:37:00,357 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) [2021-03-26 13:37:00,357 INFO L185 Difference]: Start difference. First operand has 181 places, 81 transitions, 2138 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:37:00,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 83 transitions, 2292 flow [2021-03-26 13:37:00,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 83 transitions, 2234 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:00,368 INFO L241 Difference]: Finished difference. Result has 184 places, 78 transitions, 2037 flow [2021-03-26 13:37:00,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2037, PETRI_PLACES=184, PETRI_TRANSITIONS=78} [2021-03-26 13:37:00,368 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 152 predicate places. [2021-03-26 13:37:00,369 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:00,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 78 transitions, 2037 flow [2021-03-26 13:37:00,369 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 78 transitions, 2037 flow [2021-03-26 13:37:00,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 78 transitions, 2037 flow [2021-03-26 13:37:00,381 INFO L129 PetriNetUnfolder]: 0/202 cut-off events. [2021-03-26 13:37:00,381 INFO L130 PetriNetUnfolder]: For 2954/2956 co-relation queries the response was YES. [2021-03-26 13:37:00,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1333 conditions, 202 events. 0/202 cut-off events. For 2954/2956 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1571 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2021-03-26 13:37:00,382 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-26 13:37:00,384 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:00,384 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:00,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 13:37:00,384 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 78 transitions, 2037 flow [2021-03-26 13:37:00,384 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) [2021-03-26 13:37:00,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:00,385 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:00,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 13:37:00,385 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:00,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:00,385 INFO L82 PathProgramCache]: Analyzing trace with hash 2111508008, now seen corresponding path program 98 times [2021-03-26 13:37:00,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:00,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030684659] [2021-03-26 13:37:00,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:00,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:00,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:00,394 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:00,400 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:00,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:00,409 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:00,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:00,422 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:00,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030684659] [2021-03-26 13:37:00,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:00,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818947027] [2021-03-26 13:37:00,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:00,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:00,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:00,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:00,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 78 transitions, 2037 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) [2021-03-26 13:37:00,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:00,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:00,490 INFO L129 PetriNetUnfolder]: 0/201 cut-off events. [2021-03-26 13:37:00,490 INFO L130 PetriNetUnfolder]: For 2981/2981 co-relation queries the response was YES. [2021-03-26 13:37:00,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1421 conditions, 201 events. 0/201 cut-off events. For 2981/2981 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1540 event pairs, 0 based on Foata normal form. 1/202 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 13:37:00,490 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 50 selfloop transitions, 18 changer transitions 2/80 dead transitions. [2021-03-26 13:37:00,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 80 transitions, 2185 flow [2021-03-26 13:37:00,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 13:37:00,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-03-26 13:37:00,491 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:00,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 13:37:00,491 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) [2021-03-26 13:37:00,492 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) [2021-03-26 13:37:00,492 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) [2021-03-26 13:37:00,492 INFO L185 Difference]: Start difference. First operand has 183 places, 78 transitions, 2037 flow. Second operand 7 states and 306 transitions. [2021-03-26 13:37:00,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 80 transitions, 2185 flow [2021-03-26 13:37:00,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 80 transitions, 2146 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:00,503 INFO L241 Difference]: Finished difference. Result has 186 places, 76 transitions, 1968 flow [2021-03-26 13:37:00,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=2002, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1968, PETRI_PLACES=186, PETRI_TRANSITIONS=76} [2021-03-26 13:37:00,503 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 154 predicate places. [2021-03-26 13:37:00,503 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:00,503 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 76 transitions, 1968 flow [2021-03-26 13:37:00,503 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 76 transitions, 1968 flow [2021-03-26 13:37:00,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 76 transitions, 1968 flow [2021-03-26 13:37:00,515 INFO L129 PetriNetUnfolder]: 0/195 cut-off events. [2021-03-26 13:37:00,515 INFO L130 PetriNetUnfolder]: For 2846/2848 co-relation queries the response was YES. [2021-03-26 13:37:00,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1289 conditions, 195 events. 0/195 cut-off events. For 2846/2848 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1484 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place. [2021-03-26 13:37:00,516 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-26 13:37:00,518 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:00,518 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:00,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 13:37:00,518 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 76 transitions, 1968 flow [2021-03-26 13:37:00,519 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) [2021-03-26 13:37:00,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:00,519 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:00,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 13:37:00,519 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:00,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:00,519 INFO L82 PathProgramCache]: Analyzing trace with hash -50720424, now seen corresponding path program 99 times [2021-03-26 13:37:00,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:00,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594412420] [2021-03-26 13:37:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:00,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:00,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:00,529 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:00,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:00,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:00,543 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:00,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:00,555 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:00,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594412420] [2021-03-26 13:37:00,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:00,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177634794] [2021-03-26 13:37:00,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:00,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:00,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:00,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:00,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 76 transitions, 1968 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) [2021-03-26 13:37:00,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:00,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:00,621 INFO L129 PetriNetUnfolder]: 0/194 cut-off events. [2021-03-26 13:37:00,621 INFO L130 PetriNetUnfolder]: For 2888/2894 co-relation queries the response was YES. [2021-03-26 13:37:00,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 194 events. 0/194 cut-off events. For 2888/2894 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1463 event pairs, 0 based on Foata normal form. 3/197 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 13:37:00,622 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 48 selfloop transitions, 16 changer transitions 3/77 dead transitions. [2021-03-26 13:37:00,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 77 transitions, 2106 flow [2021-03-26 13:37:00,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 304 transitions. [2021-03-26 13:37:00,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8194070080862533 [2021-03-26 13:37:00,624 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 304 transitions. [2021-03-26 13:37:00,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 304 transitions. [2021-03-26 13:37:00,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:00,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 304 transitions. [2021-03-26 13:37:00,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.42857142857143) internal successors, (304), 7 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:00,624 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) [2021-03-26 13:37:00,624 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) [2021-03-26 13:37:00,624 INFO L185 Difference]: Start difference. First operand has 184 places, 76 transitions, 1968 flow. Second operand 7 states and 304 transitions. [2021-03-26 13:37:00,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 77 transitions, 2106 flow [2021-03-26 13:37:00,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 77 transitions, 2011 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:00,636 INFO L241 Difference]: Finished difference. Result has 185 places, 73 transitions, 1823 flow [2021-03-26 13:37:00,636 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1875, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1823, PETRI_PLACES=185, PETRI_TRANSITIONS=73} [2021-03-26 13:37:00,636 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 153 predicate places. [2021-03-26 13:37:00,636 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:00,636 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 73 transitions, 1823 flow [2021-03-26 13:37:00,636 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 73 transitions, 1823 flow [2021-03-26 13:37:00,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 73 transitions, 1823 flow [2021-03-26 13:37:00,648 INFO L129 PetriNetUnfolder]: 0/186 cut-off events. [2021-03-26 13:37:00,648 INFO L130 PetriNetUnfolder]: For 2491/2493 co-relation queries the response was YES. [2021-03-26 13:37:00,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1201 conditions, 186 events. 0/186 cut-off events. For 2491/2493 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1401 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2021-03-26 13:37:00,649 INFO L142 LiptonReduction]: Number of co-enabled transitions 90 [2021-03-26 13:37:00,650 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:00,650 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:00,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 13:37:00,651 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 73 transitions, 1823 flow [2021-03-26 13:37:00,651 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) [2021-03-26 13:37:00,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:00,651 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:00,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 13:37:00,651 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:00,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:00,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1606447848, now seen corresponding path program 100 times [2021-03-26 13:37:00,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:00,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540110419] [2021-03-26 13:37:00,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:00,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:00,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:00,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:00,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:00,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:00,676 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:00,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:00,690 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:00,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540110419] [2021-03-26 13:37:00,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:00,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457811161] [2021-03-26 13:37:00,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:00,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:00,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:00,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:00,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 73 transitions, 1823 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) [2021-03-26 13:37:00,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:00,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:00,742 INFO L129 PetriNetUnfolder]: 0/185 cut-off events. [2021-03-26 13:37:00,742 INFO L130 PetriNetUnfolder]: For 2530/2535 co-relation queries the response was YES. [2021-03-26 13:37:00,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 185 events. 0/185 cut-off events. For 2530/2535 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1370 event pairs, 0 based on Foata normal form. 3/188 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2021-03-26 13:37:00,743 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 45 selfloop transitions, 13 changer transitions 5/73 dead transitions. [2021-03-26 13:37:00,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 73 transitions, 1949 flow [2021-03-26 13:37:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 13:37:00,743 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 13:37:00,743 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 13:37:00,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 13:37:00,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:00,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 13:37:00,744 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) [2021-03-26 13:37:00,744 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) [2021-03-26 13:37:00,744 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) [2021-03-26 13:37:00,744 INFO L185 Difference]: Start difference. First operand has 181 places, 73 transitions, 1823 flow. Second operand 7 states and 301 transitions. [2021-03-26 13:37:00,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 73 transitions, 1949 flow [2021-03-26 13:37:00,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 73 transitions, 1887 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:00,754 INFO L241 Difference]: Finished difference. Result has 181 places, 68 transitions, 1681 flow [2021-03-26 13:37:00,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1761, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1681, PETRI_PLACES=181, PETRI_TRANSITIONS=68} [2021-03-26 13:37:00,754 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 149 predicate places. [2021-03-26 13:37:00,754 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:00,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 68 transitions, 1681 flow [2021-03-26 13:37:00,755 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 68 transitions, 1681 flow [2021-03-26 13:37:00,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 68 transitions, 1681 flow [2021-03-26 13:37:00,765 INFO L129 PetriNetUnfolder]: 0/175 cut-off events. [2021-03-26 13:37:00,765 INFO L130 PetriNetUnfolder]: For 2269/2269 co-relation queries the response was YES. [2021-03-26 13:37:00,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 175 events. 0/175 cut-off events. For 2269/2269 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1303 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-03-26 13:37:00,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-26 13:37:00,768 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:00,768 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:00,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 13:37:00,768 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 68 transitions, 1681 flow [2021-03-26 13:37:00,768 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) [2021-03-26 13:37:00,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:00,768 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:00,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 13:37:00,768 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:00,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:00,769 INFO L82 PathProgramCache]: Analyzing trace with hash 510966206, now seen corresponding path program 101 times [2021-03-26 13:37:00,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:00,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957846359] [2021-03-26 13:37:00,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:00,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:00,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:00,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:00,783 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:00,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:00,793 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:00,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:00,806 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:00,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957846359] [2021-03-26 13:37:00,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:00,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382360235] [2021-03-26 13:37:00,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:00,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:00,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:00,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:00,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 68 transitions, 1681 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) [2021-03-26 13:37:00,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:00,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:00,870 INFO L129 PetriNetUnfolder]: 0/174 cut-off events. [2021-03-26 13:37:00,870 INFO L130 PetriNetUnfolder]: For 2291/2291 co-relation queries the response was YES. [2021-03-26 13:37:00,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 174 events. 0/174 cut-off events. For 2291/2291 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1271 event pairs, 0 based on Foata normal form. 1/175 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2021-03-26 13:37:00,870 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 33 selfloop transitions, 25 changer transitions 2/70 dead transitions. [2021-03-26 13:37:00,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 70 transitions, 1809 flow [2021-03-26 13:37:00,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:00,871 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:00,871 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:00,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:00,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:00,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:00,872 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) [2021-03-26 13:37:00,872 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) [2021-03-26 13:37:00,872 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) [2021-03-26 13:37:00,872 INFO L185 Difference]: Start difference. First operand has 169 places, 68 transitions, 1681 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:00,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 70 transitions, 1809 flow [2021-03-26 13:37:00,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 70 transitions, 1728 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-26 13:37:00,883 INFO L241 Difference]: Finished difference. Result has 168 places, 66 transitions, 1598 flow [2021-03-26 13:37:00,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1604, PETRI_DIFFERENCE_MINUEND_PLACES=161, 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=1598, PETRI_PLACES=168, PETRI_TRANSITIONS=66} [2021-03-26 13:37:00,883 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 136 predicate places. [2021-03-26 13:37:00,884 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:00,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 66 transitions, 1598 flow [2021-03-26 13:37:00,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 66 transitions, 1598 flow [2021-03-26 13:37:00,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 66 transitions, 1598 flow [2021-03-26 13:37:00,894 INFO L129 PetriNetUnfolder]: 0/167 cut-off events. [2021-03-26 13:37:00,894 INFO L130 PetriNetUnfolder]: For 1966/1966 co-relation queries the response was YES. [2021-03-26 13:37:00,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 167 events. 0/167 cut-off events. For 1966/1966 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1210 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. [2021-03-26 13:37:00,895 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-26 13:37:00,896 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:00,896 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:00,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 13:37:00,896 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 66 transitions, 1598 flow [2021-03-26 13:37:00,897 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) [2021-03-26 13:37:00,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:00,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:00,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 13:37:00,897 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:00,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:00,897 INFO L82 PathProgramCache]: Analyzing trace with hash 786354720, now seen corresponding path program 102 times [2021-03-26 13:37:00,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:00,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65176836] [2021-03-26 13:37:00,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:00,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:00,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:00,907 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:00,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:00,913 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:00,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:00,923 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:00,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:00,936 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:00,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65176836] [2021-03-26 13:37:00,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:00,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314959102] [2021-03-26 13:37:00,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:00,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:00,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:00,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:00,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 66 transitions, 1598 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) [2021-03-26 13:37:00,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:00,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,006 INFO L129 PetriNetUnfolder]: 0/166 cut-off events. [2021-03-26 13:37:01,006 INFO L130 PetriNetUnfolder]: For 1986/1986 co-relation queries the response was YES. [2021-03-26 13:37:01,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 166 events. 0/166 cut-off events. For 1986/1986 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1187 event pairs, 0 based on Foata normal form. 1/167 useless extension candidates. Maximal degree in co-relation 0. Up to 37 conditions per place. [2021-03-26 13:37:01,007 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 31 selfloop transitions, 24 changer transitions 3/68 dead transitions. [2021-03-26 13:37:01,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 68 transitions, 1722 flow [2021-03-26 13:37:01,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:01,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:01,007 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,008 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) [2021-03-26 13:37:01,008 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) [2021-03-26 13:37:01,008 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) [2021-03-26 13:37:01,008 INFO L185 Difference]: Start difference. First operand has 166 places, 66 transitions, 1598 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:01,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 68 transitions, 1722 flow [2021-03-26 13:37:01,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 68 transitions, 1658 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:01,016 INFO L241 Difference]: Finished difference. Result has 167 places, 63 transitions, 1506 flow [2021-03-26 13:37:01,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1538, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1506, PETRI_PLACES=167, PETRI_TRANSITIONS=63} [2021-03-26 13:37:01,016 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 135 predicate places. [2021-03-26 13:37:01,016 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,016 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 63 transitions, 1506 flow [2021-03-26 13:37:01,017 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 63 transitions, 1506 flow [2021-03-26 13:37:01,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 63 transitions, 1506 flow [2021-03-26 13:37:01,026 INFO L129 PetriNetUnfolder]: 0/158 cut-off events. [2021-03-26 13:37:01,026 INFO L130 PetriNetUnfolder]: For 1853/1853 co-relation queries the response was YES. [2021-03-26 13:37:01,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 158 events. 0/158 cut-off events. For 1853/1853 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1125 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-03-26 13:37:01,026 INFO L142 LiptonReduction]: Number of co-enabled transitions 82 [2021-03-26 13:37:01,028 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,028 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 13:37:01,028 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 63 transitions, 1506 flow [2021-03-26 13:37:01,028 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) [2021-03-26 13:37:01,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 13:37:01,028 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1166928160, now seen corresponding path program 103 times [2021-03-26 13:37:01,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542915205] [2021-03-26 13:37:01,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:01,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:01,045 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:01,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:01,054 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:01,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:01,068 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542915205] [2021-03-26 13:37:01,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007128625] [2021-03-26 13:37:01,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 63 transitions, 1506 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) [2021-03-26 13:37:01,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,122 INFO L129 PetriNetUnfolder]: 0/157 cut-off events. [2021-03-26 13:37:01,122 INFO L130 PetriNetUnfolder]: For 1872/1872 co-relation queries the response was YES. [2021-03-26 13:37:01,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 157 events. 0/157 cut-off events. For 1872/1872 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1096 event pairs, 0 based on Foata normal form. 1/158 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-03-26 13:37:01,123 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 25 changer transitions 2/65 dead transitions. [2021-03-26 13:37:01,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 65 transitions, 1624 flow [2021-03-26 13:37:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:01,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:01,123 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,124 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) [2021-03-26 13:37:01,124 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) [2021-03-26 13:37:01,124 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) [2021-03-26 13:37:01,124 INFO L185 Difference]: Start difference. First operand has 165 places, 63 transitions, 1506 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:01,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 65 transitions, 1624 flow [2021-03-26 13:37:01,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 65 transitions, 1562 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:01,132 INFO L241 Difference]: Finished difference. Result has 166 places, 61 transitions, 1443 flow [2021-03-26 13:37:01,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1448, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1443, PETRI_PLACES=166, PETRI_TRANSITIONS=61} [2021-03-26 13:37:01,132 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 134 predicate places. [2021-03-26 13:37:01,132 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 61 transitions, 1443 flow [2021-03-26 13:37:01,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 61 transitions, 1443 flow [2021-03-26 13:37:01,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 61 transitions, 1443 flow [2021-03-26 13:37:01,141 INFO L129 PetriNetUnfolder]: 0/150 cut-off events. [2021-03-26 13:37:01,141 INFO L130 PetriNetUnfolder]: For 1778/1778 co-relation queries the response was YES. [2021-03-26 13:37:01,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 150 events. 0/150 cut-off events. For 1778/1778 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1027 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. [2021-03-26 13:37:01,142 INFO L142 LiptonReduction]: Number of co-enabled transitions 82 [2021-03-26 13:37:01,143 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,143 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 13:37:01,143 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 61 transitions, 1443 flow [2021-03-26 13:37:01,143 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) [2021-03-26 13:37:01,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 13:37:01,144 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1037889978, now seen corresponding path program 104 times [2021-03-26 13:37:01,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064406357] [2021-03-26 13:37:01,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,154 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:01,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:01,160 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:01,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:01,169 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:01,182 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064406357] [2021-03-26 13:37:01,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034493103] [2021-03-26 13:37:01,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,198 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 61 transitions, 1443 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) [2021-03-26 13:37:01,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,252 INFO L129 PetriNetUnfolder]: 0/149 cut-off events. [2021-03-26 13:37:01,253 INFO L130 PetriNetUnfolder]: For 1796/1796 co-relation queries the response was YES. [2021-03-26 13:37:01,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 149 events. 0/149 cut-off events. For 1796/1796 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1006 event pairs, 0 based on Foata normal form. 1/150 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place. [2021-03-26 13:37:01,253 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 28 selfloop transitions, 23 changer transitions 2/63 dead transitions. [2021-03-26 13:37:01,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 63 transitions, 1557 flow [2021-03-26 13:37:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:01,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:01,254 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,254 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) [2021-03-26 13:37:01,254 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) [2021-03-26 13:37:01,254 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) [2021-03-26 13:37:01,254 INFO L185 Difference]: Start difference. First operand has 164 places, 61 transitions, 1443 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:01,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 63 transitions, 1557 flow [2021-03-26 13:37:01,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 63 transitions, 1492 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:01,261 INFO L241 Difference]: Finished difference. Result has 165 places, 59 transitions, 1373 flow [2021-03-26 13:37:01,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1382, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1373, PETRI_PLACES=165, PETRI_TRANSITIONS=59} [2021-03-26 13:37:01,262 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 133 predicate places. [2021-03-26 13:37:01,262 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 59 transitions, 1373 flow [2021-03-26 13:37:01,262 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 59 transitions, 1373 flow [2021-03-26 13:37:01,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 59 transitions, 1373 flow [2021-03-26 13:37:01,270 INFO L129 PetriNetUnfolder]: 0/142 cut-off events. [2021-03-26 13:37:01,270 INFO L130 PetriNetUnfolder]: For 1690/1690 co-relation queries the response was YES. [2021-03-26 13:37:01,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 142 events. 0/142 cut-off events. For 1690/1690 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 950 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-03-26 13:37:01,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-26 13:37:01,272 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,272 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 13:37:01,272 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 59 transitions, 1373 flow [2021-03-26 13:37:01,272 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) [2021-03-26 13:37:01,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,272 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 13:37:01,272 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1495311042, now seen corresponding path program 105 times [2021-03-26 13:37:01,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918268717] [2021-03-26 13:37:01,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:01,288 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:01,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:01,306 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:01,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:01,320 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918268717] [2021-03-26 13:37:01,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168036207] [2021-03-26 13:37:01,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 59 transitions, 1373 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) [2021-03-26 13:37:01,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,374 INFO L129 PetriNetUnfolder]: 0/141 cut-off events. [2021-03-26 13:37:01,374 INFO L130 PetriNetUnfolder]: For 1707/1707 co-relation queries the response was YES. [2021-03-26 13:37:01,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 141 events. 0/141 cut-off events. For 1707/1707 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 917 event pairs, 0 based on Foata normal form. 1/142 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2021-03-26 13:37:01,375 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 26 selfloop transitions, 22 changer transitions 3/61 dead transitions. [2021-03-26 13:37:01,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 61 transitions, 1483 flow [2021-03-26 13:37:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:01,375 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:01,375 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,376 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) [2021-03-26 13:37:01,376 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) [2021-03-26 13:37:01,376 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) [2021-03-26 13:37:01,376 INFO L185 Difference]: Start difference. First operand has 163 places, 59 transitions, 1373 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:01,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 61 transitions, 1483 flow [2021-03-26 13:37:01,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 61 transitions, 1424 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:01,383 INFO L241 Difference]: Finished difference. Result has 164 places, 56 transitions, 1286 flow [2021-03-26 13:37:01,383 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1318, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1286, PETRI_PLACES=164, PETRI_TRANSITIONS=56} [2021-03-26 13:37:01,383 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 132 predicate places. [2021-03-26 13:37:01,383 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,383 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 56 transitions, 1286 flow [2021-03-26 13:37:01,383 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 56 transitions, 1286 flow [2021-03-26 13:37:01,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 56 transitions, 1286 flow [2021-03-26 13:37:01,391 INFO L129 PetriNetUnfolder]: 0/133 cut-off events. [2021-03-26 13:37:01,391 INFO L130 PetriNetUnfolder]: For 1611/1611 co-relation queries the response was YES. [2021-03-26 13:37:01,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 853 conditions, 133 events. 0/133 cut-off events. For 1611/1611 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 857 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2021-03-26 13:37:01,391 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-26 13:37:01,392 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,392 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,392 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 13:37:01,393 INFO L480 AbstractCegarLoop]: Abstraction has has 162 places, 56 transitions, 1286 flow [2021-03-26 13:37:01,393 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) [2021-03-26 13:37:01,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 13:37:01,393 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1911630658, now seen corresponding path program 106 times [2021-03-26 13:37:01,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870614079] [2021-03-26 13:37:01,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:01,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:01,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:01,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:01,419 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:01,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:01,433 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870614079] [2021-03-26 13:37:01,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782679202] [2021-03-26 13:37:01,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 56 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) [2021-03-26 13:37:01,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,483 INFO L129 PetriNetUnfolder]: 0/132 cut-off events. [2021-03-26 13:37:01,483 INFO L130 PetriNetUnfolder]: For 1627/1627 co-relation queries the response was YES. [2021-03-26 13:37:01,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 132 events. 0/132 cut-off events. For 1627/1627 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 838 event pairs, 0 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2021-03-26 13:37:01,484 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 25 selfloop transitions, 20 changer transitions 3/58 dead transitions. [2021-03-26 13:37:01,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 58 transitions, 1390 flow [2021-03-26 13:37:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:01,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:01,484 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,485 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) [2021-03-26 13:37:01,485 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) [2021-03-26 13:37:01,485 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) [2021-03-26 13:37:01,485 INFO L185 Difference]: Start difference. First operand has 162 places, 56 transitions, 1286 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:01,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 58 transitions, 1390 flow [2021-03-26 13:37:01,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 58 transitions, 1333 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:01,492 INFO L241 Difference]: Finished difference. Result has 163 places, 53 transitions, 1201 flow [2021-03-26 13:37:01,492 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1233, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1201, PETRI_PLACES=163, PETRI_TRANSITIONS=53} [2021-03-26 13:37:01,492 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 131 predicate places. [2021-03-26 13:37:01,492 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 53 transitions, 1201 flow [2021-03-26 13:37:01,492 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 53 transitions, 1201 flow [2021-03-26 13:37:01,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 53 transitions, 1201 flow [2021-03-26 13:37:01,499 INFO L129 PetriNetUnfolder]: 0/124 cut-off events. [2021-03-26 13:37:01,499 INFO L130 PetriNetUnfolder]: For 1508/1508 co-relation queries the response was YES. [2021-03-26 13:37:01,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 124 events. 0/124 cut-off events. For 1508/1508 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 778 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-03-26 13:37:01,500 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-26 13:37:01,501 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,501 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 13:37:01,501 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 53 transitions, 1201 flow [2021-03-26 13:37:01,501 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) [2021-03-26 13:37:01,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-26 13:37:01,502 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,502 INFO L82 PathProgramCache]: Analyzing trace with hash -562119174, now seen corresponding path program 107 times [2021-03-26 13:37:01,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049266366] [2021-03-26 13:37:01,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:01,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:01,517 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:01,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:01,526 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:01,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:01,538 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049266366] [2021-03-26 13:37:01,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689384148] [2021-03-26 13:37:01,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 53 transitions, 1201 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) [2021-03-26 13:37:01,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,605 INFO L129 PetriNetUnfolder]: 0/123 cut-off events. [2021-03-26 13:37:01,605 INFO L130 PetriNetUnfolder]: For 1523/1523 co-relation queries the response was YES. [2021-03-26 13:37:01,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 852 conditions, 123 events. 0/123 cut-off events. For 1523/1523 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 763 event pairs, 0 based on Foata normal form. 1/124 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2021-03-26 13:37:01,605 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 22 selfloop transitions, 19 changer transitions 4/55 dead transitions. [2021-03-26 13:37:01,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 55 transitions, 1299 flow [2021-03-26 13:37:01,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:01,606 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:01,606 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,606 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) [2021-03-26 13:37:01,606 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) [2021-03-26 13:37:01,606 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) [2021-03-26 13:37:01,606 INFO L185 Difference]: Start difference. First operand has 161 places, 53 transitions, 1201 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:01,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 55 transitions, 1299 flow [2021-03-26 13:37:01,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 55 transitions, 1229 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:01,612 INFO L241 Difference]: Finished difference. Result has 161 places, 49 transitions, 1084 flow [2021-03-26 13:37:01,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=154, 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=1084, PETRI_PLACES=161, PETRI_TRANSITIONS=49} [2021-03-26 13:37:01,613 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 129 predicate places. [2021-03-26 13:37:01,613 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 49 transitions, 1084 flow [2021-03-26 13:37:01,613 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 49 transitions, 1084 flow [2021-03-26 13:37:01,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 49 transitions, 1084 flow [2021-03-26 13:37:01,619 INFO L129 PetriNetUnfolder]: 0/114 cut-off events. [2021-03-26 13:37:01,619 INFO L130 PetriNetUnfolder]: For 1380/1380 co-relation queries the response was YES. [2021-03-26 13:37:01,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 114 events. 0/114 cut-off events. For 1380/1380 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 692 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2021-03-26 13:37:01,620 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-26 13:37:01,621 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,621 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 13:37:01,621 INFO L480 AbstractCegarLoop]: Abstraction has has 156 places, 49 transitions, 1084 flow [2021-03-26 13:37:01,621 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) [2021-03-26 13:37:01,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,621 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 13:37:01,621 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1145064548, now seen corresponding path program 108 times [2021-03-26 13:37:01,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441917210] [2021-03-26 13:37:01,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:01,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:01,645 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:01,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:01,658 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441917210] [2021-03-26 13:37:01,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093650356] [2021-03-26 13:37:01,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,671 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,672 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 49 transitions, 1084 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) [2021-03-26 13:37:01,672 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,672 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,718 INFO L129 PetriNetUnfolder]: 0/113 cut-off events. [2021-03-26 13:37:01,718 INFO L130 PetriNetUnfolder]: For 1394/1394 co-relation queries the response was YES. [2021-03-26 13:37:01,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 113 events. 0/113 cut-off events. For 1394/1394 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 678 event pairs, 0 based on Foata normal form. 1/114 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2021-03-26 13:37:01,718 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 23 selfloop transitions, 16 changer transitions 2/51 dead transitions. [2021-03-26 13:37:01,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 51 transitions, 1174 flow [2021-03-26 13:37:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:01,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:01,719 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:01,719 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) [2021-03-26 13:37:01,719 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) [2021-03-26 13:37:01,720 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) [2021-03-26 13:37:01,720 INFO L185 Difference]: Start difference. First operand has 156 places, 49 transitions, 1084 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:01,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 51 transitions, 1174 flow [2021-03-26 13:37:01,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 51 transitions, 1084 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-03-26 13:37:01,725 INFO L241 Difference]: Finished difference. Result has 154 places, 47 transitions, 973 flow [2021-03-26 13:37:01,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=998, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=973, PETRI_PLACES=154, PETRI_TRANSITIONS=47} [2021-03-26 13:37:01,725 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 122 predicate places. [2021-03-26 13:37:01,725 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 47 transitions, 973 flow [2021-03-26 13:37:01,726 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 47 transitions, 973 flow [2021-03-26 13:37:01,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 47 transitions, 973 flow [2021-03-26 13:37:01,731 INFO L129 PetriNetUnfolder]: 0/107 cut-off events. [2021-03-26 13:37:01,731 INFO L130 PetriNetUnfolder]: For 1206/1206 co-relation queries the response was YES. [2021-03-26 13:37:01,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 107 events. 0/107 cut-off events. For 1206/1206 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 634 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2021-03-26 13:37:01,732 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 13:37:01,733 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,733 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,733 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 13:37:01,733 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 47 transitions, 973 flow [2021-03-26 13:37:01,733 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) [2021-03-26 13:37:01,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,733 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-26 13:37:01,733 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,734 INFO L82 PathProgramCache]: Analyzing trace with hash -2054953756, now seen corresponding path program 109 times [2021-03-26 13:37:01,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137322686] [2021-03-26 13:37:01,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:01,748 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:01,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:01,758 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:01,771 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137322686] [2021-03-26 13:37:01,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797465588] [2021-03-26 13:37:01,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 47 transitions, 973 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) [2021-03-26 13:37:01,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,814 INFO L129 PetriNetUnfolder]: 0/106 cut-off events. [2021-03-26 13:37:01,814 INFO L130 PetriNetUnfolder]: For 1219/1219 co-relation queries the response was YES. [2021-03-26 13:37:01,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 106 events. 0/106 cut-off events. For 1219/1219 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 616 event pairs, 0 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-03-26 13:37:01,815 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 18 selfloop transitions, 18 changer transitions 3/49 dead transitions. [2021-03-26 13:37:01,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 49 transitions, 1059 flow [2021-03-26 13:37:01,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 13:37:01,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 13:37:01,815 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 13:37:01,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 13:37:01,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 13:37:01,816 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) [2021-03-26 13:37:01,816 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) [2021-03-26 13:37:01,816 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) [2021-03-26 13:37:01,816 INFO L185 Difference]: Start difference. First operand has 152 places, 47 transitions, 973 flow. Second operand 7 states and 301 transitions. [2021-03-26 13:37:01,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 49 transitions, 1059 flow [2021-03-26 13:37:01,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 49 transitions, 1004 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:01,821 INFO L241 Difference]: Finished difference. Result has 152 places, 44 transitions, 895 flow [2021-03-26 13:37:01,821 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=895, PETRI_PLACES=152, PETRI_TRANSITIONS=44} [2021-03-26 13:37:01,821 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 120 predicate places. [2021-03-26 13:37:01,821 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 44 transitions, 895 flow [2021-03-26 13:37:01,821 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 44 transitions, 895 flow [2021-03-26 13:37:01,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 44 transitions, 895 flow [2021-03-26 13:37:01,827 INFO L129 PetriNetUnfolder]: 0/98 cut-off events. [2021-03-26 13:37:01,827 INFO L130 PetriNetUnfolder]: For 1111/1111 co-relation queries the response was YES. [2021-03-26 13:37:01,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 98 events. 0/98 cut-off events. For 1111/1111 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 560 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-03-26 13:37:01,827 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 13:37:01,828 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,828 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,828 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 13:37:01,828 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 44 transitions, 895 flow [2021-03-26 13:37:01,828 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) [2021-03-26 13:37:01,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-26 13:37:01,829 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,829 INFO L82 PathProgramCache]: Analyzing trace with hash 2000371202, now seen corresponding path program 110 times [2021-03-26 13:37:01,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576375306] [2021-03-26 13:37:01,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:01,853 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:01,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:01,866 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576375306] [2021-03-26 13:37:01,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332754849] [2021-03-26 13:37:01,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 44 transitions, 895 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) [2021-03-26 13:37:01,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,919 INFO L129 PetriNetUnfolder]: 0/97 cut-off events. [2021-03-26 13:37:01,920 INFO L130 PetriNetUnfolder]: For 1123/1123 co-relation queries the response was YES. [2021-03-26 13:37:01,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 97 events. 0/97 cut-off events. For 1123/1123 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 533 event pairs, 0 based on Foata normal form. 1/98 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2021-03-26 13:37:01,920 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 19 selfloop transitions, 13 changer transitions 4/46 dead transitions. [2021-03-26 13:37:01,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 46 transitions, 975 flow [2021-03-26 13:37:01,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 13:37:01,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 13:37:01,920 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 13:37:01,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 13:37:01,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 13:37:01,922 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) [2021-03-26 13:37:01,922 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) [2021-03-26 13:37:01,922 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) [2021-03-26 13:37:01,922 INFO L185 Difference]: Start difference. First operand has 141 places, 44 transitions, 895 flow. Second operand 7 states and 301 transitions. [2021-03-26 13:37:01,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 46 transitions, 975 flow [2021-03-26 13:37:01,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 46 transitions, 882 flow, removed 5 selfloop flow, removed 9 redundant places. [2021-03-26 13:37:01,927 INFO L241 Difference]: Finished difference. Result has 139 places, 40 transitions, 751 flow [2021-03-26 13:37:01,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=751, PETRI_PLACES=139, PETRI_TRANSITIONS=40} [2021-03-26 13:37:01,927 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 107 predicate places. [2021-03-26 13:37:01,927 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 40 transitions, 751 flow [2021-03-26 13:37:01,927 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 40 transitions, 751 flow [2021-03-26 13:37:01,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 40 transitions, 751 flow [2021-03-26 13:37:01,932 INFO L129 PetriNetUnfolder]: 0/88 cut-off events. [2021-03-26 13:37:01,932 INFO L130 PetriNetUnfolder]: For 876/876 co-relation queries the response was YES. [2021-03-26 13:37:01,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 88 events. 0/88 cut-off events. For 876/876 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 475 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2021-03-26 13:37:01,932 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-26 13:37:01,933 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:01,933 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:01,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 13:37:01,933 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 40 transitions, 751 flow [2021-03-26 13:37:01,933 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) [2021-03-26 13:37:01,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:01,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:01,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-26 13:37:01,933 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:01,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:01,934 INFO L82 PathProgramCache]: Analyzing trace with hash 10976492, now seen corresponding path program 111 times [2021-03-26 13:37:01,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:01,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833717255] [2021-03-26 13:37:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:01,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:01,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:01,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:01,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:01,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:01,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:01,966 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:01,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:01,979 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:01,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:01,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833717255] [2021-03-26 13:37:01,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:01,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:01,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274537156] [2021-03-26 13:37:01,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:01,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:01,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:01,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:01,993 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:01,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 40 transitions, 751 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) [2021-03-26 13:37:01,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:01,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:01,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,039 INFO L129 PetriNetUnfolder]: 0/87 cut-off events. [2021-03-26 13:37:02,039 INFO L130 PetriNetUnfolder]: For 887/887 co-relation queries the response was YES. [2021-03-26 13:37:02,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 87 events. 0/87 cut-off events. For 887/887 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 457 event pairs, 0 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-03-26 13:37:02,039 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 15 selfloop transitions, 14 changer transitions 3/42 dead transitions. [2021-03-26 13:37:02,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 42 transitions, 823 flow [2021-03-26 13:37:02,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:02,040 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:02,040 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,041 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) [2021-03-26 13:37:02,041 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) [2021-03-26 13:37:02,041 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) [2021-03-26 13:37:02,041 INFO L185 Difference]: Start difference. First operand has 134 places, 40 transitions, 751 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:02,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 42 transitions, 823 flow [2021-03-26 13:37:02,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 42 transitions, 759 flow, removed 5 selfloop flow, removed 9 redundant places. [2021-03-26 13:37:02,044 INFO L241 Difference]: Finished difference. Result has 132 places, 37 transitions, 652 flow [2021-03-26 13:37:02,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=652, PETRI_PLACES=132, PETRI_TRANSITIONS=37} [2021-03-26 13:37:02,045 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 100 predicate places. [2021-03-26 13:37:02,045 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 37 transitions, 652 flow [2021-03-26 13:37:02,045 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 37 transitions, 652 flow [2021-03-26 13:37:02,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 37 transitions, 652 flow [2021-03-26 13:37:02,049 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-03-26 13:37:02,049 INFO L130 PetriNetUnfolder]: For 733/733 co-relation queries the response was YES. [2021-03-26 13:37:02,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 79 events. 0/79 cut-off events. For 733/733 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 394 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-03-26 13:37:02,049 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 13:37:02,050 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,050 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 13:37:02,050 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 37 transitions, 652 flow [2021-03-26 13:37:02,050 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) [2021-03-26 13:37:02,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-26 13:37:02,051 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,051 INFO L82 PathProgramCache]: Analyzing trace with hash 916354016, now seen corresponding path program 112 times [2021-03-26 13:37:02,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374518554] [2021-03-26 13:37:02,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,066 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:02,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:02,075 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:02,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:02,088 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374518554] [2021-03-26 13:37:02,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475198927] [2021-03-26 13:37:02,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 37 transitions, 652 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) [2021-03-26 13:37:02,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,140 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-03-26 13:37:02,141 INFO L130 PetriNetUnfolder]: For 743/743 co-relation queries the response was YES. [2021-03-26 13:37:02,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 78 events. 0/78 cut-off events. For 743/743 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 378 event pairs, 0 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-03-26 13:37:02,141 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 16 selfloop transitions, 11 changer transitions 2/39 dead transitions. [2021-03-26 13:37:02,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 39 transitions, 718 flow [2021-03-26 13:37:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:02,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:02,141 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,142 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) [2021-03-26 13:37:02,142 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) [2021-03-26 13:37:02,142 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) [2021-03-26 13:37:02,142 INFO L185 Difference]: Start difference. First operand has 127 places, 37 transitions, 652 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:02,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 39 transitions, 718 flow [2021-03-26 13:37:02,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 39 transitions, 672 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:02,145 INFO L241 Difference]: Finished difference. Result has 127 places, 35 transitions, 578 flow [2021-03-26 13:37:02,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=578, PETRI_PLACES=127, PETRI_TRANSITIONS=35} [2021-03-26 13:37:02,145 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 95 predicate places. [2021-03-26 13:37:02,146 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 35 transitions, 578 flow [2021-03-26 13:37:02,146 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 35 transitions, 578 flow [2021-03-26 13:37:02,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 35 transitions, 578 flow [2021-03-26 13:37:02,150 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-03-26 13:37:02,150 INFO L130 PetriNetUnfolder]: For 610/610 co-relation queries the response was YES. [2021-03-26 13:37:02,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 73 events. 0/73 cut-off events. For 610/610 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 339 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-03-26 13:37:02,150 INFO L142 LiptonReduction]: Number of co-enabled transitions 50 [2021-03-26 13:37:02,151 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,151 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 13:37:02,151 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 35 transitions, 578 flow [2021-03-26 13:37:02,151 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) [2021-03-26 13:37:02,151 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,151 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-26 13:37:02,151 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1305180812, now seen corresponding path program 113 times [2021-03-26 13:37:02,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991869147] [2021-03-26 13:37:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,166 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:02,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:02,176 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:02,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:02,189 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991869147] [2021-03-26 13:37:02,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159693732] [2021-03-26 13:37:02,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 35 transitions, 578 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) [2021-03-26 13:37:02,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,244 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2021-03-26 13:37:02,244 INFO L130 PetriNetUnfolder]: For 619/619 co-relation queries the response was YES. [2021-03-26 13:37:02,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 72 events. 0/72 cut-off events. For 619/619 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 326 event pairs, 0 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2021-03-26 13:37:02,244 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 14 selfloop transitions, 10 changer transitions 3/37 dead transitions. [2021-03-26 13:37:02,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 37 transitions, 640 flow [2021-03-26 13:37:02,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 13:37:02,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 13:37:02,245 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 13:37:02,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 13:37:02,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 13:37:02,245 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) [2021-03-26 13:37:02,246 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) [2021-03-26 13:37:02,246 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) [2021-03-26 13:37:02,246 INFO L185 Difference]: Start difference. First operand has 125 places, 35 transitions, 578 flow. Second operand 7 states and 301 transitions. [2021-03-26 13:37:02,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 37 transitions, 640 flow [2021-03-26 13:37:02,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 37 transitions, 593 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-03-26 13:37:02,249 INFO L241 Difference]: Finished difference. Result has 124 places, 32 transitions, 489 flow [2021-03-26 13:37:02,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=489, PETRI_PLACES=124, PETRI_TRANSITIONS=32} [2021-03-26 13:37:02,249 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 92 predicate places. [2021-03-26 13:37:02,249 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 32 transitions, 489 flow [2021-03-26 13:37:02,249 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 32 transitions, 489 flow [2021-03-26 13:37:02,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 32 transitions, 489 flow [2021-03-26 13:37:02,253 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-03-26 13:37:02,253 INFO L130 PetriNetUnfolder]: For 463/463 co-relation queries the response was YES. [2021-03-26 13:37:02,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 64 events. 0/64 cut-off events. For 463/463 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 263 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-03-26 13:37:02,253 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-26 13:37:02,254 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,254 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 13:37:02,254 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 32 transitions, 489 flow [2021-03-26 13:37:02,254 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) [2021-03-26 13:37:02,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-26 13:37:02,254 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,254 INFO L82 PathProgramCache]: Analyzing trace with hash -573050980, now seen corresponding path program 114 times [2021-03-26 13:37:02,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691553796] [2021-03-26 13:37:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,269 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:02,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:02,279 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:02,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:02,292 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691553796] [2021-03-26 13:37:02,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670692274] [2021-03-26 13:37:02,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 32 transitions, 489 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) [2021-03-26 13:37:02,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,344 INFO L129 PetriNetUnfolder]: 0/63 cut-off events. [2021-03-26 13:37:02,344 INFO L130 PetriNetUnfolder]: For 471/471 co-relation queries the response was YES. [2021-03-26 13:37:02,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 63 events. 0/63 cut-off events. For 471/471 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 261 event pairs, 0 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-03-26 13:37:02,345 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 11 selfloop transitions, 11 changer transitions 2/34 dead transitions. [2021-03-26 13:37:02,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 34 transitions, 545 flow [2021-03-26 13:37:02,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 301 transitions. [2021-03-26 13:37:02,345 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2021-03-26 13:37:02,345 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 301 transitions. [2021-03-26 13:37:02,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 301 transitions. [2021-03-26 13:37:02,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 301 transitions. [2021-03-26 13:37:02,346 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) [2021-03-26 13:37:02,346 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) [2021-03-26 13:37:02,346 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) [2021-03-26 13:37:02,346 INFO L185 Difference]: Start difference. First operand has 116 places, 32 transitions, 489 flow. Second operand 7 states and 301 transitions. [2021-03-26 13:37:02,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 34 transitions, 545 flow [2021-03-26 13:37:02,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 34 transitions, 477 flow, removed 8 selfloop flow, removed 11 redundant places. [2021-03-26 13:37:02,348 INFO L241 Difference]: Finished difference. Result has 112 places, 30 transitions, 409 flow [2021-03-26 13:37:02,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=105, 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=409, PETRI_PLACES=112, PETRI_TRANSITIONS=30} [2021-03-26 13:37:02,348 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 80 predicate places. [2021-03-26 13:37:02,348 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 30 transitions, 409 flow [2021-03-26 13:37:02,348 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 30 transitions, 409 flow [2021-03-26 13:37:02,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 30 transitions, 409 flow [2021-03-26 13:37:02,351 INFO L129 PetriNetUnfolder]: 0/56 cut-off events. [2021-03-26 13:37:02,351 INFO L130 PetriNetUnfolder]: For 329/329 co-relation queries the response was YES. [2021-03-26 13:37:02,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 56 events. 0/56 cut-off events. For 329/329 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 215 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-03-26 13:37:02,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 36 [2021-03-26 13:37:02,352 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,352 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4 [2021-03-26 13:37:02,352 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 30 transitions, 409 flow [2021-03-26 13:37:02,352 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) [2021-03-26 13:37:02,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-26 13:37:02,353 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,353 INFO L82 PathProgramCache]: Analyzing trace with hash 716048202, now seen corresponding path program 115 times [2021-03-26 13:37:02,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063262526] [2021-03-26 13:37:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:02,375 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:02,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:02,387 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063262526] [2021-03-26 13:37:02,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943121881] [2021-03-26 13:37:02,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 30 transitions, 409 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) [2021-03-26 13:37:02,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,439 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-03-26 13:37:02,439 INFO L130 PetriNetUnfolder]: For 336/336 co-relation queries the response was YES. [2021-03-26 13:37:02,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 55 events. 0/55 cut-off events. For 336/336 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 201 event pairs, 0 based on Foata normal form. 1/56 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-03-26 13:37:02,439 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 12 selfloop transitions, 8 changer transitions 2/32 dead transitions. [2021-03-26 13:37:02,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 32 transitions, 461 flow [2021-03-26 13:37:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 302 transitions. [2021-03-26 13:37:02,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140161725067385 [2021-03-26 13:37:02,440 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 302 transitions. [2021-03-26 13:37:02,440 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) [2021-03-26 13:37:02,440 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) [2021-03-26 13:37:02,440 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) [2021-03-26 13:37:02,440 INFO L185 Difference]: Start difference. First operand has 104 places, 30 transitions, 409 flow. Second operand 7 states and 302 transitions. [2021-03-26 13:37:02,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 32 transitions, 461 flow [2021-03-26 13:37:02,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 32 transitions, 427 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:02,442 INFO L241 Difference]: Finished difference. Result has 104 places, 28 transitions, 351 flow [2021-03-26 13:37:02,442 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=351, PETRI_PLACES=104, PETRI_TRANSITIONS=28} [2021-03-26 13:37:02,442 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 72 predicate places. [2021-03-26 13:37:02,442 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 28 transitions, 351 flow [2021-03-26 13:37:02,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 28 transitions, 351 flow [2021-03-26 13:37:02,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 28 transitions, 351 flow [2021-03-26 13:37:02,445 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-03-26 13:37:02,445 INFO L130 PetriNetUnfolder]: For 266/266 co-relation queries the response was YES. [2021-03-26 13:37:02,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 49 events. 0/49 cut-off events. For 266/266 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 160 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. [2021-03-26 13:37:02,445 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-26 13:37:02,445 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,445 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4 [2021-03-26 13:37:02,446 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 28 transitions, 351 flow [2021-03-26 13:37:02,446 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) [2021-03-26 13:37:02,446 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,446 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-26 13:37:02,446 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,446 INFO L82 PathProgramCache]: Analyzing trace with hash 300689700, now seen corresponding path program 116 times [2021-03-26 13:37:02,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390073482] [2021-03-26 13:37:02,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:02,487 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:02,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:02,503 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390073482] [2021-03-26 13:37:02,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904753278] [2021-03-26 13:37:02,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 28 transitions, 351 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) [2021-03-26 13:37:02,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,549 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-03-26 13:37:02,550 INFO L130 PetriNetUnfolder]: For 272/272 co-relation queries the response was YES. [2021-03-26 13:37:02,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 48 events. 0/48 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 152 event pairs, 0 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-03-26 13:37:02,550 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 8 selfloop transitions, 8 changer transitions 4/30 dead transitions. [2021-03-26 13:37:02,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 30 transitions, 399 flow [2021-03-26 13:37:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 300 transitions. [2021-03-26 13:37:02,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8086253369272237 [2021-03-26 13:37:02,550 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 300 transitions. [2021-03-26 13:37:02,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 300 transitions. [2021-03-26 13:37:02,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 300 transitions. [2021-03-26 13:37:02,551 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) [2021-03-26 13:37:02,551 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) [2021-03-26 13:37:02,551 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) [2021-03-26 13:37:02,551 INFO L185 Difference]: Start difference. First operand has 99 places, 28 transitions, 351 flow. Second operand 7 states and 300 transitions. [2021-03-26 13:37:02,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 30 transitions, 399 flow [2021-03-26 13:37:02,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 30 transitions, 373 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:02,553 INFO L241 Difference]: Finished difference. Result has 100 places, 24 transitions, 287 flow [2021-03-26 13:37:02,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=287, PETRI_PLACES=100, PETRI_TRANSITIONS=24} [2021-03-26 13:37:02,553 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 68 predicate places. [2021-03-26 13:37:02,553 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 24 transitions, 287 flow [2021-03-26 13:37:02,553 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 24 transitions, 287 flow [2021-03-26 13:37:02,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 24 transitions, 287 flow [2021-03-26 13:37:02,555 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 13:37:02,555 INFO L130 PetriNetUnfolder]: For 218/218 co-relation queries the response was YES. [2021-03-26 13:37:02,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 39 events. 0/39 cut-off events. For 218/218 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 107 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-26 13:37:02,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-26 13:37:02,556 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,556 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,556 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-03-26 13:37:02,556 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 24 transitions, 287 flow [2021-03-26 13:37:02,556 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) [2021-03-26 13:37:02,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-26 13:37:02,556 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,556 INFO L82 PathProgramCache]: Analyzing trace with hash -2096055204, now seen corresponding path program 117 times [2021-03-26 13:37:02,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349627555] [2021-03-26 13:37:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,575 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:02,584 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:02,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:02,598 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349627555] [2021-03-26 13:37:02,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616027903] [2021-03-26 13:37:02,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,612 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 24 transitions, 287 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) [2021-03-26 13:37:02,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,651 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-03-26 13:37:02,651 INFO L130 PetriNetUnfolder]: For 223/223 co-relation queries the response was YES. [2021-03-26 13:37:02,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 38 events. 0/38 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 95 event pairs, 0 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-03-26 13:37:02,651 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 7 selfloop transitions, 6 changer transitions 2/25 dead transitions. [2021-03-26 13:37:02,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 25 transitions, 321 flow [2021-03-26 13:37:02,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 298 transitions. [2021-03-26 13:37:02,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8032345013477089 [2021-03-26 13:37:02,652 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 298 transitions. [2021-03-26 13:37:02,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 298 transitions. [2021-03-26 13:37:02,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 298 transitions. [2021-03-26 13:37:02,652 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) [2021-03-26 13:37:02,653 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) [2021-03-26 13:37:02,653 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) [2021-03-26 13:37:02,653 INFO L185 Difference]: Start difference. First operand has 89 places, 24 transitions, 287 flow. Second operand 7 states and 298 transitions. [2021-03-26 13:37:02,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 25 transitions, 321 flow [2021-03-26 13:37:02,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 25 transitions, 228 flow, removed 5 selfloop flow, removed 20 redundant places. [2021-03-26 13:37:02,654 INFO L241 Difference]: Finished difference. Result has 76 places, 22 transitions, 180 flow [2021-03-26 13:37:02,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=180, PETRI_PLACES=76, PETRI_TRANSITIONS=22} [2021-03-26 13:37:02,654 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 44 predicate places. [2021-03-26 13:37:02,654 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 22 transitions, 180 flow [2021-03-26 13:37:02,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 22 transitions, 180 flow [2021-03-26 13:37:02,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 22 transitions, 180 flow [2021-03-26 13:37:02,656 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-26 13:37:02,656 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2021-03-26 13:37:02,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 32 events. 0/32 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 60 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-26 13:37:02,656 INFO L142 LiptonReduction]: Number of co-enabled transitions 26 [2021-03-26 13:37:02,656 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,656 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,656 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-26 13:37:02,656 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 22 transitions, 180 flow [2021-03-26 13:37:02,656 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) [2021-03-26 13:37:02,657 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,657 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,657 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-26 13:37:02,657 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1512027732, now seen corresponding path program 118 times [2021-03-26 13:37:02,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26556973] [2021-03-26 13:37:02,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:02,682 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:02,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:02,695 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26556973] [2021-03-26 13:37:02,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898952468] [2021-03-26 13:37:02,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,709 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 22 transitions, 180 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) [2021-03-26 13:37:02,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,760 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-26 13:37:02,760 INFO L130 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2021-03-26 13:37:02,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 31 events. 0/31 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 55 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-26 13:37:02,761 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 5 selfloop transitions, 5 changer transitions 3/23 dead transitions. [2021-03-26 13:37:02,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 23 transitions, 210 flow [2021-03-26 13:37:02,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 297 transitions. [2021-03-26 13:37:02,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8005390835579514 [2021-03-26 13:37:02,761 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 297 transitions. [2021-03-26 13:37:02,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 297 transitions. [2021-03-26 13:37:02,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 297 transitions. [2021-03-26 13:37:02,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:02,762 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) [2021-03-26 13:37:02,765 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) [2021-03-26 13:37:02,765 INFO L185 Difference]: Start difference. First operand has 71 places, 22 transitions, 180 flow. Second operand 7 states and 297 transitions. [2021-03-26 13:37:02,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 23 transitions, 210 flow [2021-03-26 13:37:02,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 23 transitions, 191 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:02,766 INFO L241 Difference]: Finished difference. Result has 72 places, 19 transitions, 131 flow [2021-03-26 13:37:02,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=65, 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=131, PETRI_PLACES=72, PETRI_TRANSITIONS=19} [2021-03-26 13:37:02,766 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 40 predicate places. [2021-03-26 13:37:02,766 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 19 transitions, 131 flow [2021-03-26 13:37:02,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 19 transitions, 131 flow [2021-03-26 13:37:02,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 19 transitions, 131 flow [2021-03-26 13:37:02,767 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 13:37:02,767 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-26 13:37:02,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 24 events. 0/24 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 13:37:02,768 INFO L142 LiptonReduction]: Number of co-enabled transitions 16 [2021-03-26 13:37:02,768 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,768 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-26 13:37:02,768 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 19 transitions, 131 flow [2021-03-26 13:37:02,768 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) [2021-03-26 13:37:02,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,768 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-26 13:37:02,768 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1563325492, now seen corresponding path program 119 times [2021-03-26 13:37:02,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43805021] [2021-03-26 13:37:02,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,785 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:02,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:02,795 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:02,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:02,808 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43805021] [2021-03-26 13:37:02,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160147542] [2021-03-26 13:37:02,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,821 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 19 transitions, 131 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) [2021-03-26 13:37:02,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,853 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 13:37:02,853 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-03-26 13:37:02,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 23 events. 0/23 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 13:37:02,853 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 3 selfloop transitions, 3 changer transitions 3/19 dead transitions. [2021-03-26 13:37:02,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 19 transitions, 149 flow [2021-03-26 13:37:02,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 296 transitions. [2021-03-26 13:37:02,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7978436657681941 [2021-03-26 13:37:02,854 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 296 transitions. [2021-03-26 13:37:02,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 296 transitions. [2021-03-26 13:37:02,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 296 transitions. [2021-03-26 13:37:02,854 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) [2021-03-26 13:37:02,854 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) [2021-03-26 13:37:02,854 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) [2021-03-26 13:37:02,855 INFO L185 Difference]: Start difference. First operand has 63 places, 19 transitions, 131 flow. Second operand 7 states and 296 transitions. [2021-03-26 13:37:02,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 19 transitions, 149 flow [2021-03-26 13:37:02,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 19 transitions, 113 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 13:37:02,855 INFO L241 Difference]: Finished difference. Result has 58 places, 16 transitions, 73 flow [2021-03-26 13:37:02,855 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=51, 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=73, PETRI_PLACES=58, PETRI_TRANSITIONS=16} [2021-03-26 13:37:02,855 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 26 predicate places. [2021-03-26 13:37:02,855 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 16 transitions, 73 flow [2021-03-26 13:37:02,855 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 16 transitions, 73 flow [2021-03-26 13:37:02,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 16 transitions, 73 flow [2021-03-26 13:37:02,856 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 13:37:02,856 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 13:37:02,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 16 events. 0/16 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 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. [2021-03-26 13:37:02,856 INFO L142 LiptonReduction]: Number of co-enabled transitions 6 [2021-03-26 13:37:02,857 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,857 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,857 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-26 13:37:02,857 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 16 transitions, 73 flow [2021-03-26 13:37:02,857 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) [2021-03-26 13:37:02,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-26 13:37:02,857 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:02,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,857 INFO L82 PathProgramCache]: Analyzing trace with hash -2089514098, now seen corresponding path program 120 times [2021-03-26 13:37:02,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992289465] [2021-03-26 13:37:02,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:02,871 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:02,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:02,880 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:02,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:02,892 INFO L142 QuantifierPusher]: treesize reduction 36, result has 47.8 percent of original size [2021-03-26 13:37:02,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992289465] [2021-03-26 13:37:02,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 13:37:02,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84532949] [2021-03-26 13:37:02,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 13:37:02,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 13:37:02,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 13:37:02,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 53 [2021-03-26 13:37:02,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 16 transitions, 73 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) [2021-03-26 13:37:02,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 53 [2021-03-26 13:37:02,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,932 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-26 13:37:02,932 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 13:37:02,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 15 events. 0/15 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 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. [2021-03-26 13:37:02,932 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2021-03-26 13:37:02,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 15 transitions, 79 flow [2021-03-26 13:37:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 13:37:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 13:37:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 293 transitions. [2021-03-26 13:37:02,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7897574123989218 [2021-03-26 13:37:02,932 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 293 transitions. [2021-03-26 13:37:02,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 293 transitions. [2021-03-26 13:37:02,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 293 transitions. [2021-03-26 13:37:02,933 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) [2021-03-26 13:37:02,933 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) [2021-03-26 13:37:02,933 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) [2021-03-26 13:37:02,933 INFO L185 Difference]: Start difference. First operand has 47 places, 16 transitions, 73 flow. Second operand 7 states and 293 transitions. [2021-03-26 13:37:02,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 15 transitions, 79 flow [2021-03-26 13:37:02,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 15 transitions, 62 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-26 13:37:02,933 INFO L241 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2021-03-26 13:37:02,933 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=38, 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=44, PETRI_TRANSITIONS=0} [2021-03-26 13:37:02,933 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 12 predicate places. [2021-03-26 13:37:02,934 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:02,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 0 transitions, 0 flow [2021-03-26 13:37:02,934 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 0 transitions, 0 flow [2021-03-26 13:37:02,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 13:37:02,934 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 13:37:02,934 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:37:02,934 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. [2021-03-26 13:37:02,934 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 13:37:02,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,934 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 0 [2021-03-26 13:37:02,934 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 13:37:02,934 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) [2021-03-26 13:37:02,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-26 13:37:02,937 INFO L202 PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 01:37:02 BasicIcfg [2021-03-26 13:37:02,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 13:37:02,937 INFO L168 Benchmark]: Toolchain (without parser) took 24336.59 ms. Allocated memory was 255.9 MB in the beginning and 633.3 MB in the end (delta: 377.5 MB). Free memory was 236.7 MB in the beginning and 303.1 MB in the end (delta: -66.4 MB). Peak memory consumption was 311.4 MB. Max. memory is 16.0 GB. [2021-03-26 13:37:02,937 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:37:02,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.66 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 13:37:02,937 INFO L168 Benchmark]: Boogie Preprocessor took 9.86 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.2 MB in the end (delta: 858.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:37:02,938 INFO L168 Benchmark]: RCFGBuilder took 180.29 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 240.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-26 13:37:02,938 INFO L168 Benchmark]: TraceAbstraction took 24125.12 ms. Allocated memory was 255.9 MB in the beginning and 633.3 MB in the end (delta: 377.5 MB). Free memory was 240.2 MB in the beginning and 303.1 MB in the end (delta: -62.9 MB). Peak memory consumption was 314.6 MB. Max. memory is 16.0 GB. [2021-03-26 13:37:02,938 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 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 16.66 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.86 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.2 MB in the end (delta: 858.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 180.29 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 240.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 24125.12 ms. Allocated memory was 255.9 MB in the beginning and 633.3 MB in the end (delta: 377.5 MB). Free memory was 240.2 MB in the beginning and 303.1 MB in the end (delta: -62.9 MB). Peak memory consumption was 314.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.3ms, 37 PlacesBefore, 32 PlacesAfterwards, 41 TransitionsBefore, 36 TransitionsAfterwards, 440 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 130 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.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: 0, unknown unconditional: 130] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.6ms, 24 PlacesBefore, 24 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.2ms, 25 PlacesBefore, 25 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2ms, 26 PlacesBefore, 26 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4ms, 27 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.9ms, 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.8ms, 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.6ms, 60 PlacesBefore, 59 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.3ms, 68 PlacesBefore, 67 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.1ms, 76 PlacesBefore, 75 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.5ms, 82 PlacesBefore, 81 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.8ms, 89 PlacesBefore, 88 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.8ms, 94 PlacesBefore, 93 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.6ms, 98 PlacesBefore, 97 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.6ms, 104 PlacesBefore, 103 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.4ms, 107 PlacesBefore, 105 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.9ms, 111 PlacesBefore, 110 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.9ms, 114 PlacesBefore, 112 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.3ms, 114 PlacesBefore, 113 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.1ms, 119 PlacesBefore, 118 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.7ms, 124 PlacesBefore, 123 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.4ms, 126 PlacesBefore, 125 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.9ms, 131 PlacesBefore, 130 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.6ms, 135 PlacesBefore, 134 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 316 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.0ms, 137 PlacesBefore, 136 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.3ms, 143 PlacesBefore, 142 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.4ms, 145 PlacesBefore, 144 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 334 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.3ms, 147 PlacesBefore, 146 PlacesAfterwards, 100 TransitionsBefore, 100 TransitionsAfterwards, 322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.8ms, 148 PlacesBefore, 145 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.4ms, 143 PlacesBefore, 142 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.0ms, 146 PlacesBefore, 145 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.7ms, 148 PlacesBefore, 147 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.5ms, 150 PlacesBefore, 149 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.2ms, 154 PlacesBefore, 153 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.2ms, 161 PlacesBefore, 160 PlacesAfterwards, 108 TransitionsBefore, 108 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.3ms, 167 PlacesBefore, 166 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.1ms, 171 PlacesBefore, 169 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.4ms, 173 PlacesBefore, 171 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.6ms, 176 PlacesBefore, 174 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.6ms, 177 PlacesBefore, 175 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.5ms, 183 PlacesBefore, 182 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.4ms, 186 PlacesBefore, 184 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.7ms, 187 PlacesBefore, 186 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.5ms, 190 PlacesBefore, 189 PlacesAfterwards, 118 TransitionsBefore, 118 TransitionsAfterwards, 346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.1ms, 193 PlacesBefore, 191 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.8ms, 197 PlacesBefore, 196 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 340 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.3ms, 203 PlacesBefore, 202 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.0ms, 208 PlacesBefore, 207 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.8ms, 212 PlacesBefore, 210 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.4ms, 214 PlacesBefore, 213 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.4ms, 218 PlacesBefore, 216 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.4ms, 218 PlacesBefore, 216 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.0ms, 218 PlacesBefore, 216 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 338 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.0ms, 217 PlacesBefore, 215 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.7ms, 219 PlacesBefore, 218 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.1ms, 222 PlacesBefore, 221 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.4ms, 224 PlacesBefore, 222 PlacesAfterwards, 131 TransitionsBefore, 131 TransitionsAfterwards, 326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.4ms, 225 PlacesBefore, 223 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 318 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.3ms, 226 PlacesBefore, 224 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.3ms, 227 PlacesBefore, 225 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.6ms, 230 PlacesBefore, 228 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.2ms, 234 PlacesBefore, 233 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.9ms, 237 PlacesBefore, 235 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.3ms, 240 PlacesBefore, 239 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.1ms, 245 PlacesBefore, 244 PlacesAfterwards, 146 TransitionsBefore, 146 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.3ms, 247 PlacesBefore, 242 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.2ms, 243 PlacesBefore, 241 PlacesAfterwards, 141 TransitionsBefore, 141 TransitionsAfterwards, 284 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.9ms, 245 PlacesBefore, 240 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.0ms, 241 PlacesBefore, 239 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.0ms, 244 PlacesBefore, 243 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.4ms, 248 PlacesBefore, 247 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.1ms, 251 PlacesBefore, 246 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.6ms, 248 PlacesBefore, 246 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.4ms, 249 PlacesBefore, 248 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.9ms, 251 PlacesBefore, 246 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.0ms, 248 PlacesBefore, 245 PlacesAfterwards, 126 TransitionsBefore, 126 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.7ms, 247 PlacesBefore, 242 PlacesAfterwards, 122 TransitionsBefore, 122 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.0ms, 248 PlacesBefore, 247 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.9ms, 253 PlacesBefore, 252 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.9ms, 258 PlacesBefore, 257 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.7ms, 260 PlacesBefore, 259 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.6ms, 262 PlacesBefore, 258 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.8ms, 261 PlacesBefore, 259 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.7ms, 261 PlacesBefore, 256 PlacesAfterwards, 123 TransitionsBefore, 123 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.0ms, 257 PlacesBefore, 255 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.8ms, 256 PlacesBefore, 254 PlacesAfterwards, 118 TransitionsBefore, 118 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.8ms, 254 PlacesBefore, 252 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.1ms, 253 PlacesBefore, 251 PlacesAfterwards, 113 TransitionsBefore, 113 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.9ms, 252 PlacesBefore, 247 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.0ms, 246 PlacesBefore, 241 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.8ms, 240 PlacesBefore, 238 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 158 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.5ms, 240 PlacesBefore, 238 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.0ms, 240 PlacesBefore, 235 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.2ms, 235 PlacesBefore, 233 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.1ms, 234 PlacesBefore, 229 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.8ms, 231 PlacesBefore, 226 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.5ms, 228 PlacesBefore, 220 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.4ms, 219 PlacesBefore, 211 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.1ms, 208 PlacesBefore, 192 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.2ms, 182 PlacesBefore, 181 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.3ms, 184 PlacesBefore, 183 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.7ms, 186 PlacesBefore, 184 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8ms, 185 PlacesBefore, 181 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.2ms, 181 PlacesBefore, 169 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: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.4ms, 168 PlacesBefore, 166 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.2ms, 167 PlacesBefore, 165 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.8ms, 166 PlacesBefore, 164 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.0ms, 165 PlacesBefore, 163 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3ms, 164 PlacesBefore, 162 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8ms, 163 PlacesBefore, 161 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.0ms, 161 PlacesBefore, 156 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.3ms, 154 PlacesBefore, 152 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7ms, 152 PlacesBefore, 141 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9ms, 139 PlacesBefore, 134 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3ms, 132 PlacesBefore, 127 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.9ms, 127 PlacesBefore, 125 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3ms, 124 PlacesBefore, 116 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7ms, 112 PlacesBefore, 104 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2ms, 104 PlacesBefore, 99 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7ms, 100 PlacesBefore, 89 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0ms, 76 PlacesBefore, 71 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7ms, 72 PlacesBefore, 63 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3ms, 58 PlacesBefore, 47 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 6 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4ms, 44 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 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: 20.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 23980.4ms, OverallIterations: 124, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 12257.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 194.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1422 SDtfs, 2055 SDslu, 1147 SDs, 0 SdLazy, 2594 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1433.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 852 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 724 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 8029.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4842occurred in iteration=65, 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: 48.8ms SsaConstructionTime, 118.7ms SatisfiabilityAnalysisTime, 7221.9ms InterpolantComputationTime, 1984 NumberOfCodeBlocks, 1984 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 34736 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...