/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 18:01:29,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 18:01:29,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 18:01:29,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-25 18:01:29,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 18:01:29,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 18:01:29,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 18:01:29,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 18:01:29,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 18:01:29,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 18:01:29,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 18:01:29,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 18:01:29,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 18:01:29,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 18:01:29,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 18:01:29,205 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-RepeatedSemanticLbe.epf [2021-03-25 18:01:29,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 18:01:29,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 18:01:29,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 18:01:29,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 18:01:29,242 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 18:01:29,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 18:01:29,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 18:01:29,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 18:01:29,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 18:01:29,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 18:01:29,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 18:01:29,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 18:01:29,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 18:01:29,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 18:01:29,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 18:01:29,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 18:01:29,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 18:01:29,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 18:01:29,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 18:01:29,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 18:01:29,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 18:01:29,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 18:01:29,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 18:01:29,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 18:01:29,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 18:01:29,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 18:01:29,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 18:01:29,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 18:01:29,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 18:01:29,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 18:01:29,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 18:01:29,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 18:01:29,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 18:01:29,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 18:01:29,579 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 18:01:29,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl [2021-03-25 18:01:29,580 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl' [2021-03-25 18:01:29,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 18:01:29,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 18:01:29,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 18:01:29,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 18:01:29,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 18:01:29,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 18:01:29,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 18:01:29,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 18:01:29,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 18:01:29,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/1) ... [2021-03-25 18:01:29,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 18:01:29,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 18:01:29,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 18:01:29,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 18:01:29,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (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 [2021-03-25 18:01:29,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-25 18:01:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-25 18:01:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-25 18:01:29,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-25 18:01:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-25 18:01:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-25 18:01:29,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-25 18:01:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-25 18:01:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-25 18:01:29,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-25 18:01:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-25 18:01:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-25 18:01:29,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-25 18:01:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-25 18:01:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-25 18:01:29,729 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 18:01:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 18:01:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 18:01:29,729 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-25 18:01:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-25 18:01:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-25 18:01:29,729 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-25 18:01:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-25 18:01:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-25 18:01:29,730 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-03-25 18:01:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-03-25 18:01:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-03-25 18:01:29,731 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 18:01:29,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 18:01:29,944 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-25 18:01:29,946 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 06:01:29 BoogieIcfgContainer [2021-03-25 18:01:29,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 18:01:29,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 18:01:29,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 18:01:29,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 18:01:29,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:01:29" (1/2) ... [2021-03-25 18:01:29,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7fa502 and model type example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 06:01:29, skipping insertion in model container [2021-03-25 18:01:29,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 06:01:29" (2/2) ... [2021-03-25 18:01:29,951 INFO L111 eAbstractionObserver]: Analyzing ICFG example_8.bpl [2021-03-25 18:01:29,955 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 18:01:29,958 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 18:01:29,958 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 18:01:30,128 INFO L149 ThreadInstanceAdder]: Constructed 64 joinOtherThreadTransitions. [2021-03-25 18:01:30,145 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-03-25 18:01:30,179 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 18:01:30,179 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 18:01:30,179 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 18:01:30,179 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 18:01:30,179 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 18:01:30,180 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 18:01:30,180 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 18:01:30,180 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 18:01:30,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 99 transitions, 430 flow [2021-03-25 18:01:30,396 INFO L129 PetriNetUnfolder]: 769/1051 cut-off events. [2021-03-25 18:01:30,396 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2021-03-25 18:01:30,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2100 conditions, 1051 events. 769/1051 cut-off events. For 1024/1024 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3895 event pairs, 0 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 933. Up to 280 conditions per place. [2021-03-25 18:01:30,407 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 99 transitions, 430 flow [2021-03-25 18:01:30,421 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 89 transitions, 394 flow [2021-03-25 18:01:30,422 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:30,438 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 89 transitions, 394 flow [2021-03-25 18:01:30,443 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 89 transitions, 394 flow [2021-03-25 18:01:30,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 89 transitions, 394 flow [2021-03-25 18:01:30,524 INFO L129 PetriNetUnfolder]: 769/1049 cut-off events. [2021-03-25 18:01:30,525 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2021-03-25 18:01:30,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2098 conditions, 1049 events. 769/1049 cut-off events. For 1024/1024 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3656 event pairs, 0 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 933. Up to 280 conditions per place. [2021-03-25 18:01:30,541 INFO L142 LiptonReduction]: Number of co-enabled transitions 1904 [2021-03-25 18:01:30,652 INFO L154 LiptonReduction]: Checked pairs total: 532 [2021-03-25 18:01:30,652 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 18:01:30,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-03-25 18:01:30,743 INFO L129 PetriNetUnfolder]: 769/1040 cut-off events. [2021-03-25 18:01:30,743 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2021-03-25 18:01:30,744 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:30,744 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:30,744 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:30,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:30,749 INFO L82 PathProgramCache]: Analyzing trace with hash 799209287, now seen corresponding path program 1 times [2021-03-25 18:01:30,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:30,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804680714] [2021-03-25 18:01:30,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:30,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:30,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:30,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:01:30,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:30,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:30,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:30,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804680714] [2021-03-25 18:01:30,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:30,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:01:30,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298815492] [2021-03-25 18:01:30,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:01:30,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:30,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:01:30,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:01:30,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-03-25 18:01:30,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 81 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:30,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:30,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-03-25 18:01:30,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:30,951 INFO L129 PetriNetUnfolder]: 475/683 cut-off events. [2021-03-25 18:01:30,952 INFO L130 PetriNetUnfolder]: For 987/987 co-relation queries the response was YES. [2021-03-25 18:01:30,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1440 conditions, 683 events. 475/683 cut-off events. For 987/987 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2782 event pairs, 0 based on Foata normal form. 64/747 useless extension candidates. Maximal degree in co-relation 913. Up to 168 conditions per place. [2021-03-25 18:01:30,958 INFO L132 encePairwiseOnDemand]: 102/107 looper letters, 4 selfloop transitions, 1 changer transitions 0/77 dead transitions. [2021-03-25 18:01:30,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 77 transitions, 368 flow [2021-03-25 18:01:30,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:01:30,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:01:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-03-25 18:01:30,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-03-25 18:01:30,969 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-03-25 18:01:30,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-03-25 18:01:30,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:30,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-03-25 18:01:30,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:30,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:30,985 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:30,986 INFO L185 Difference]: Start difference. First operand has 50 places, 81 transitions, 378 flow. Second operand 3 states and 303 transitions. [2021-03-25 18:01:30,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 77 transitions, 368 flow [2021-03-25 18:01:30,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 77 transitions, 232 flow, removed 0 selfloop flow, removed 16 redundant places. [2021-03-25 18:01:30,999 INFO L241 Difference]: Finished difference. Result has 36 places, 77 transitions, 224 flow [2021-03-25 18:01:31,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=36, PETRI_TRANSITIONS=77} [2021-03-25 18:01:31,002 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2021-03-25 18:01:31,002 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:31,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 77 transitions, 224 flow [2021-03-25 18:01:31,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 77 transitions, 224 flow [2021-03-25 18:01:31,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 77 transitions, 224 flow [2021-03-25 18:01:31,031 INFO L129 PetriNetUnfolder]: 475/683 cut-off events. [2021-03-25 18:01:31,031 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:01:31,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 683 events. 475/683 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2536 event pairs, 0 based on Foata normal form. 0/683 useless extension candidates. Maximal degree in co-relation 681. Up to 168 conditions per place. [2021-03-25 18:01:31,036 INFO L142 LiptonReduction]: Number of co-enabled transitions 840 [2021-03-25 18:01:31,047 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:31,047 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:31,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-25 18:01:31,050 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 77 transitions, 224 flow [2021-03-25 18:01:31,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:31,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:31,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 18:01:31,051 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:31,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:31,052 INFO L82 PathProgramCache]: Analyzing trace with hash 140970533, now seen corresponding path program 1 times [2021-03-25 18:01:31,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:31,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911066704] [2021-03-25 18:01:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:31,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:01:31,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:31,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911066704] [2021-03-25 18:01:31,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:31,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:01:31,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197233735] [2021-03-25 18:01:31,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:01:31,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:31,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:01:31,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:01:31,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-03-25 18:01:31,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 77 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:31,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-03-25 18:01:31,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:31,120 INFO L129 PetriNetUnfolder]: 214/345 cut-off events. [2021-03-25 18:01:31,120 INFO L130 PetriNetUnfolder]: For 86/86 co-relation queries the response was YES. [2021-03-25 18:01:31,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 345 events. 214/345 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1285 event pairs, 0 based on Foata normal form. 57/402 useless extension candidates. Maximal degree in co-relation 373. Up to 63 conditions per place. [2021-03-25 18:01:31,122 INFO L132 encePairwiseOnDemand]: 101/107 looper letters, 3 selfloop transitions, 1 changer transitions 0/72 dead transitions. [2021-03-25 18:01:31,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 72 transitions, 217 flow [2021-03-25 18:01:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:01:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:01:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-03-25 18:01:31,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-03-25 18:01:31,125 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:31,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,128 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,128 INFO L185 Difference]: Start difference. First operand has 36 places, 77 transitions, 224 flow. Second operand 3 states and 303 transitions. [2021-03-25 18:01:31,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 72 transitions, 217 flow [2021-03-25 18:01:31,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 72 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:31,131 INFO L241 Difference]: Finished difference. Result has 37 places, 72 transitions, 210 flow [2021-03-25 18:01:31,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=37, PETRI_TRANSITIONS=72} [2021-03-25 18:01:31,131 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -13 predicate places. [2021-03-25 18:01:31,131 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:31,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 72 transitions, 210 flow [2021-03-25 18:01:31,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 72 transitions, 210 flow [2021-03-25 18:01:31,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 72 transitions, 210 flow [2021-03-25 18:01:31,155 INFO L129 PetriNetUnfolder]: 214/345 cut-off events. [2021-03-25 18:01:31,155 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:01:31,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 345 events. 214/345 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1210 event pairs, 0 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 344. Up to 63 conditions per place. [2021-03-25 18:01:31,158 INFO L142 LiptonReduction]: Number of co-enabled transitions 770 [2021-03-25 18:01:31,165 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:31,165 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:31,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-25 18:01:31,166 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 72 transitions, 210 flow [2021-03-25 18:01:31,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:31,167 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:31,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 18:01:31,167 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:31,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:31,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1458043723, now seen corresponding path program 1 times [2021-03-25 18:01:31,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:31,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57160106] [2021-03-25 18:01:31,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:31,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:01:31,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:31,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57160106] [2021-03-25 18:01:31,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:31,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:01:31,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403554523] [2021-03-25 18:01:31,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:01:31,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:31,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:01:31,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:01:31,190 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-03-25 18:01:31,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 72 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:31,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-03-25 18:01:31,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:31,218 INFO L129 PetriNetUnfolder]: 209/339 cut-off events. [2021-03-25 18:01:31,218 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-03-25 18:01:31,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 339 events. 209/339 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1280 event pairs, 0 based on Foata normal form. 1/340 useless extension candidates. Maximal degree in co-relation 382. Up to 63 conditions per place. [2021-03-25 18:01:31,220 INFO L132 encePairwiseOnDemand]: 105/107 looper letters, 7 selfloop transitions, 1 changer transitions 0/71 dead transitions. [2021-03-25 18:01:31,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 71 transitions, 223 flow [2021-03-25 18:01:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:01:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:01:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-03-25 18:01:31,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-03-25 18:01:31,222 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:31,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,224 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,225 INFO L185 Difference]: Start difference. First operand has 37 places, 72 transitions, 210 flow. Second operand 3 states and 303 transitions. [2021-03-25 18:01:31,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 71 transitions, 223 flow [2021-03-25 18:01:31,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 71 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:31,227 INFO L241 Difference]: Finished difference. Result has 38 places, 71 transitions, 208 flow [2021-03-25 18:01:31,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=38, PETRI_TRANSITIONS=71} [2021-03-25 18:01:31,227 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -12 predicate places. [2021-03-25 18:01:31,227 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:31,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 71 transitions, 208 flow [2021-03-25 18:01:31,227 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 71 transitions, 208 flow [2021-03-25 18:01:31,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 71 transitions, 208 flow [2021-03-25 18:01:31,244 INFO L129 PetriNetUnfolder]: 209/339 cut-off events. [2021-03-25 18:01:31,245 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:01:31,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 339 events. 209/339 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1176 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 345. Up to 63 conditions per place. [2021-03-25 18:01:31,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 756 [2021-03-25 18:01:31,255 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:31,255 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:31,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-25 18:01:31,256 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 71 transitions, 208 flow [2021-03-25 18:01:31,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:31,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:31,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 18:01:31,257 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:31,257 INFO L82 PathProgramCache]: Analyzing trace with hash 779424171, now seen corresponding path program 1 times [2021-03-25 18:01:31,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:31,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793907670] [2021-03-25 18:01:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:01:31,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:31,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793907670] [2021-03-25 18:01:31,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:31,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:01:31,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262965951] [2021-03-25 18:01:31,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:01:31,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:31,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:01:31,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:01:31,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-03-25 18:01:31,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 71 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:31,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-03-25 18:01:31,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:31,306 INFO L129 PetriNetUnfolder]: 185/309 cut-off events. [2021-03-25 18:01:31,306 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2021-03-25 18:01:31,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 309 events. 185/309 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1139 event pairs, 0 based on Foata normal form. 5/314 useless extension candidates. Maximal degree in co-relation 355. Up to 63 conditions per place. [2021-03-25 18:01:31,308 INFO L132 encePairwiseOnDemand]: 104/107 looper letters, 6 selfloop transitions, 1 changer transitions 0/69 dead transitions. [2021-03-25 18:01:31,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 69 transitions, 216 flow [2021-03-25 18:01:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:01:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:01:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-03-25 18:01:31,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-03-25 18:01:31,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:31,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,311 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,312 INFO L185 Difference]: Start difference. First operand has 38 places, 71 transitions, 208 flow. Second operand 3 states and 303 transitions. [2021-03-25 18:01:31,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 69 transitions, 216 flow [2021-03-25 18:01:31,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 69 transitions, 215 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:31,313 INFO L241 Difference]: Finished difference. Result has 39 places, 69 transitions, 203 flow [2021-03-25 18:01:31,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=39, PETRI_TRANSITIONS=69} [2021-03-25 18:01:31,314 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -11 predicate places. [2021-03-25 18:01:31,314 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:31,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 69 transitions, 203 flow [2021-03-25 18:01:31,314 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 69 transitions, 203 flow [2021-03-25 18:01:31,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 69 transitions, 203 flow [2021-03-25 18:01:31,330 INFO L129 PetriNetUnfolder]: 185/309 cut-off events. [2021-03-25 18:01:31,330 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:01:31,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 309 events. 185/309 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1066 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 316. Up to 63 conditions per place. [2021-03-25 18:01:31,333 INFO L142 LiptonReduction]: Number of co-enabled transitions 728 [2021-03-25 18:01:31,339 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:31,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:31,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-25 18:01:31,340 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 69 transitions, 203 flow [2021-03-25 18:01:31,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:31,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:31,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 18:01:31,341 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:31,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:31,342 INFO L82 PathProgramCache]: Analyzing trace with hash 394116671, now seen corresponding path program 1 times [2021-03-25 18:01:31,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:31,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989775413] [2021-03-25 18:01:31,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:31,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:01:31,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:31,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989775413] [2021-03-25 18:01:31,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:31,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:01:31,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176706899] [2021-03-25 18:01:31,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:01:31,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:31,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:01:31,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:01:31,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-03-25 18:01:31,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 69 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:31,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-03-25 18:01:31,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:31,378 INFO L129 PetriNetUnfolder]: 48/111 cut-off events. [2021-03-25 18:01:31,378 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-03-25 18:01:31,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 111 events. 48/111 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 316 event pairs, 0 based on Foata normal form. 31/142 useless extension candidates. Maximal degree in co-relation 127. Up to 20 conditions per place. [2021-03-25 18:01:31,379 INFO L132 encePairwiseOnDemand]: 100/107 looper letters, 2 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2021-03-25 18:01:31,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 63 transitions, 191 flow [2021-03-25 18:01:31,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:01:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:01:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-03-25 18:01:31,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-03-25 18:01:31,381 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:31,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,383 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,383 INFO L185 Difference]: Start difference. First operand has 39 places, 69 transitions, 203 flow. Second operand 3 states and 303 transitions. [2021-03-25 18:01:31,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 63 transitions, 191 flow [2021-03-25 18:01:31,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 63 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:31,385 INFO L241 Difference]: Finished difference. Result has 40 places, 63 transitions, 186 flow [2021-03-25 18:01:31,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=40, PETRI_TRANSITIONS=63} [2021-03-25 18:01:31,385 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -10 predicate places. [2021-03-25 18:01:31,385 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:31,385 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 63 transitions, 186 flow [2021-03-25 18:01:31,386 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 63 transitions, 186 flow [2021-03-25 18:01:31,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 63 transitions, 186 flow [2021-03-25 18:01:31,392 INFO L129 PetriNetUnfolder]: 48/111 cut-off events. [2021-03-25 18:01:31,393 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:01:31,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 111 events. 48/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 284 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 119. Up to 20 conditions per place. [2021-03-25 18:01:31,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 460 [2021-03-25 18:01:31,399 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:31,399 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:31,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-25 18:01:31,400 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 63 transitions, 186 flow [2021-03-25 18:01:31,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:31,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:31,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 18:01:31,401 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:31,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:31,401 INFO L82 PathProgramCache]: Analyzing trace with hash -2118826737, now seen corresponding path program 1 times [2021-03-25 18:01:31,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:31,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885844664] [2021-03-25 18:01:31,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:31,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:01:31,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:31,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885844664] [2021-03-25 18:01:31,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:31,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:01:31,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565770192] [2021-03-25 18:01:31,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:01:31,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:31,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:01:31,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:01:31,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-03-25 18:01:31,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 63 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:31,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-03-25 18:01:31,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:31,433 INFO L129 PetriNetUnfolder]: 6/37 cut-off events. [2021-03-25 18:01:31,434 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-25 18:01:31,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 37 events. 6/37 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 13/50 useless extension candidates. Maximal degree in co-relation 47. Up to 6 conditions per place. [2021-03-25 18:01:31,434 INFO L132 encePairwiseOnDemand]: 99/107 looper letters, 1 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2021-03-25 18:01:31,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 103 flow [2021-03-25 18:01:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:01:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:01:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-03-25 18:01:31,435 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-03-25 18:01:31,435 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:31,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-03-25 18:01:31,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,438 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,438 INFO L185 Difference]: Start difference. First operand has 40 places, 63 transitions, 186 flow. Second operand 3 states and 303 transitions. [2021-03-25 18:01:31,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 103 flow [2021-03-25 18:01:31,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 34 transitions, 102 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:31,439 INFO L241 Difference]: Finished difference. Result has 41 places, 34 transitions, 100 flow [2021-03-25 18:01:31,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=39, 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=100, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2021-03-25 18:01:31,439 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -9 predicate places. [2021-03-25 18:01:31,439 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:31,439 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 34 transitions, 100 flow [2021-03-25 18:01:31,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 34 transitions, 100 flow [2021-03-25 18:01:31,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 34 transitions, 100 flow [2021-03-25 18:01:31,443 INFO L129 PetriNetUnfolder]: 6/37 cut-off events. [2021-03-25 18:01:31,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:01:31,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 37 events. 6/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 46. Up to 6 conditions per place. [2021-03-25 18:01:31,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-25 18:01:31,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:31,446 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:31,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-25 18:01:31,447 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 34 transitions, 100 flow [2021-03-25 18:01:31,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:31,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:31,451 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:31,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 18:01:31,451 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:31,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:31,451 INFO L82 PathProgramCache]: Analyzing trace with hash 485427359, now seen corresponding path program 1 times [2021-03-25 18:01:31,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:31,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956038884] [2021-03-25 18:01:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:31,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:31,614 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:31,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:31,652 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:01:31,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:01:31,728 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-25 18:01:31,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:31,782 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:01:31,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:01:31,815 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:01:31,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:01:31,860 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:31,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956038884] [2021-03-25 18:01:31,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:31,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:31,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622445528] [2021-03-25 18:01:31,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:31,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:31,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:31,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:31,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:31,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 34 transitions, 100 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:31,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:31,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:32,174 INFO L129 PetriNetUnfolder]: 1122/1869 cut-off events. [2021-03-25 18:01:32,174 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:01:32,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3238 conditions, 1869 events. 1122/1869 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 10591 event pairs, 321 based on Foata normal form. 1/1762 useless extension candidates. Maximal degree in co-relation 3230. Up to 513 conditions per place. [2021-03-25 18:01:32,189 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 35 selfloop transitions, 8 changer transitions 0/68 dead transitions. [2021-03-25 18:01:32,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 68 transitions, 254 flow [2021-03-25 18:01:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:32,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:32,192 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:32,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:32,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:32,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:32,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,196 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,196 INFO L185 Difference]: Start difference. First operand has 41 places, 34 transitions, 100 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:32,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 68 transitions, 254 flow [2021-03-25 18:01:32,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 68 transitions, 253 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:32,200 INFO L241 Difference]: Finished difference. Result has 57 places, 41 transitions, 160 flow [2021-03-25 18:01:32,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=160, PETRI_PLACES=57, PETRI_TRANSITIONS=41} [2021-03-25 18:01:32,200 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2021-03-25 18:01:32,200 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:32,201 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 41 transitions, 160 flow [2021-03-25 18:01:32,201 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 41 transitions, 160 flow [2021-03-25 18:01:32,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 41 transitions, 160 flow [2021-03-25 18:01:32,211 INFO L129 PetriNetUnfolder]: 33/148 cut-off events. [2021-03-25 18:01:32,211 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 18:01:32,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 148 events. 33/148 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 688 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 199. Up to 32 conditions per place. [2021-03-25 18:01:32,213 INFO L142 LiptonReduction]: Number of co-enabled transitions 416 [2021-03-25 18:01:32,216 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:32,216 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:32,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-25 18:01:32,220 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 41 transitions, 160 flow [2021-03-25 18:01:32,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:32,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:32,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 18:01:32,223 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:32,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:32,223 INFO L82 PathProgramCache]: Analyzing trace with hash -800180707, now seen corresponding path program 2 times [2021-03-25 18:01:32,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:32,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082606821] [2021-03-25 18:01:32,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:32,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:32,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:32,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:32,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:32,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:32,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:32,315 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:32,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:32,330 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:32,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:32,352 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:32,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:32,387 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:01:32,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:01:32,430 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:01:32,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:01:32,478 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:32,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:32,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082606821] [2021-03-25 18:01:32,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:32,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:32,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042112424] [2021-03-25 18:01:32,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:32,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:32,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:32,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:32,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:32,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 41 transitions, 160 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:32,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:32,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:32,955 INFO L129 PetriNetUnfolder]: 1644/3210 cut-off events. [2021-03-25 18:01:32,955 INFO L130 PetriNetUnfolder]: For 2365/2433 co-relation queries the response was YES. [2021-03-25 18:01:32,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6953 conditions, 3210 events. 1644/3210 cut-off events. For 2365/2433 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 24697 event pairs, 387 based on Foata normal form. 1/3076 useless extension candidates. Maximal degree in co-relation 6937. Up to 683 conditions per place. [2021-03-25 18:01:32,984 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 53 selfloop transitions, 13 changer transitions 0/91 dead transitions. [2021-03-25 18:01:32,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 91 transitions, 531 flow [2021-03-25 18:01:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:32,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:32,986 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:32,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:32,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:32,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:32,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,991 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,991 INFO L185 Difference]: Start difference. First operand has 57 places, 41 transitions, 160 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:32,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 91 transitions, 531 flow [2021-03-25 18:01:32,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 91 transitions, 523 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:32,996 INFO L241 Difference]: Finished difference. Result has 73 places, 52 transitions, 285 flow [2021-03-25 18:01:32,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=285, PETRI_PLACES=73, PETRI_TRANSITIONS=52} [2021-03-25 18:01:32,996 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 23 predicate places. [2021-03-25 18:01:32,996 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:32,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 52 transitions, 285 flow [2021-03-25 18:01:32,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 52 transitions, 285 flow [2021-03-25 18:01:32,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 52 transitions, 285 flow [2021-03-25 18:01:33,037 INFO L129 PetriNetUnfolder]: 112/461 cut-off events. [2021-03-25 18:01:33,038 INFO L130 PetriNetUnfolder]: For 174/183 co-relation queries the response was YES. [2021-03-25 18:01:33,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 461 events. 112/461 cut-off events. For 174/183 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3422 event pairs, 0 based on Foata normal form. 0/399 useless extension candidates. Maximal degree in co-relation 675. Up to 106 conditions per place. [2021-03-25 18:01:33,043 INFO L142 LiptonReduction]: Number of co-enabled transitions 638 [2021-03-25 18:01:33,048 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:33,048 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:33,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-25 18:01:33,048 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 52 transitions, 285 flow [2021-03-25 18:01:33,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,049 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:33,049 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:33,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 18:01:33,049 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:33,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:33,049 INFO L82 PathProgramCache]: Analyzing trace with hash 577942889, now seen corresponding path program 3 times [2021-03-25 18:01:33,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:33,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146899203] [2021-03-25 18:01:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:33,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:33,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:33,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:33,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:33,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:33,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:33,110 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:33,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:33,128 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:33,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:33,152 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-25 18:01:33,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:01:33,193 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:01:33,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:01:33,230 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:33,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:33,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146899203] [2021-03-25 18:01:33,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:33,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:33,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996868023] [2021-03-25 18:01:33,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:33,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:33,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:33,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:33,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:33,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 52 transitions, 285 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:33,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:33,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:33,856 INFO L129 PetriNetUnfolder]: 2188/4661 cut-off events. [2021-03-25 18:01:33,856 INFO L130 PetriNetUnfolder]: For 8638/8771 co-relation queries the response was YES. [2021-03-25 18:01:33,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12216 conditions, 4661 events. 2188/4661 cut-off events. For 8638/8771 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 41739 event pairs, 451 based on Foata normal form. 1/4461 useless extension candidates. Maximal degree in co-relation 12192. Up to 948 conditions per place. [2021-03-25 18:01:33,911 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 68 selfloop transitions, 23 changer transitions 0/116 dead transitions. [2021-03-25 18:01:33,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 116 transitions, 928 flow [2021-03-25 18:01:33,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:33,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:33,916 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:33,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:33,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:33,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:33,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,923 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,923 INFO L185 Difference]: Start difference. First operand has 73 places, 52 transitions, 285 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:33,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 116 transitions, 928 flow [2021-03-25 18:01:33,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 116 transitions, 911 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:33,946 INFO L241 Difference]: Finished difference. Result has 89 places, 72 transitions, 562 flow [2021-03-25 18:01:33,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=562, PETRI_PLACES=89, PETRI_TRANSITIONS=72} [2021-03-25 18:01:33,947 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 39 predicate places. [2021-03-25 18:01:33,947 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:33,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 72 transitions, 562 flow [2021-03-25 18:01:33,947 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 72 transitions, 562 flow [2021-03-25 18:01:33,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 72 transitions, 562 flow [2021-03-25 18:01:34,036 INFO L129 PetriNetUnfolder]: 264/1028 cut-off events. [2021-03-25 18:01:34,037 INFO L130 PetriNetUnfolder]: For 832/910 co-relation queries the response was YES. [2021-03-25 18:01:34,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1674 conditions, 1028 events. 264/1028 cut-off events. For 832/910 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 9407 event pairs, 0 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1643. Up to 248 conditions per place. [2021-03-25 18:01:34,051 INFO L142 LiptonReduction]: Number of co-enabled transitions 1016 [2021-03-25 18:01:34,058 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:34,059 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:34,059 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-25 18:01:34,059 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 72 transitions, 562 flow [2021-03-25 18:01:34,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:34,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:34,060 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:34,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 18:01:34,061 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:34,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1696932537, now seen corresponding path program 4 times [2021-03-25 18:01:34,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:34,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434399035] [2021-03-25 18:01:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:34,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:34,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:34,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:34,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:34,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:34,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:34,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:34,140 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:34,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:34,156 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:34,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:34,179 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:01:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:01:34,211 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:01:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:01:34,247 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:34,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:34,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434399035] [2021-03-25 18:01:34,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:34,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:34,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259447535] [2021-03-25 18:01:34,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:34,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:34,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:34,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:34,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:34,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 72 transitions, 562 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:34,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:34,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:34,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:34,941 INFO L129 PetriNetUnfolder]: 2435/5318 cut-off events. [2021-03-25 18:01:34,941 INFO L130 PetriNetUnfolder]: For 17874/18398 co-relation queries the response was YES. [2021-03-25 18:01:34,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16488 conditions, 5318 events. 2435/5318 cut-off events. For 17874/18398 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 48719 event pairs, 533 based on Foata normal form. 1/5113 useless extension candidates. Maximal degree in co-relation 16456. Up to 1130 conditions per place. [2021-03-25 18:01:35,018 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 86 selfloop transitions, 29 changer transitions 0/140 dead transitions. [2021-03-25 18:01:35,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 140 transitions, 1420 flow [2021-03-25 18:01:35,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:35,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:35,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:35,021 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:35,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:35,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:35,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:35,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:35,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:35,025 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:35,025 INFO L185 Difference]: Start difference. First operand has 89 places, 72 transitions, 562 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:35,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 140 transitions, 1420 flow [2021-03-25 18:01:35,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 140 transitions, 1397 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:35,065 INFO L241 Difference]: Finished difference. Result has 105 places, 91 transitions, 879 flow [2021-03-25 18:01:35,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=879, PETRI_PLACES=105, PETRI_TRANSITIONS=91} [2021-03-25 18:01:35,066 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 55 predicate places. [2021-03-25 18:01:35,066 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:35,066 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 91 transitions, 879 flow [2021-03-25 18:01:35,066 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 91 transitions, 879 flow [2021-03-25 18:01:35,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 91 transitions, 879 flow [2021-03-25 18:01:35,203 INFO L129 PetriNetUnfolder]: 368/1412 cut-off events. [2021-03-25 18:01:35,203 INFO L130 PetriNetUnfolder]: For 1898/2053 co-relation queries the response was YES. [2021-03-25 18:01:35,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2527 conditions, 1412 events. 368/1412 cut-off events. For 1898/2053 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 13964 event pairs, 0 based on Foata normal form. 0/1250 useless extension candidates. Maximal degree in co-relation 2488. Up to 350 conditions per place. [2021-03-25 18:01:35,224 INFO L142 LiptonReduction]: Number of co-enabled transitions 1324 [2021-03-25 18:01:35,236 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:35,236 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:35,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-03-25 18:01:35,237 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 91 transitions, 879 flow [2021-03-25 18:01:35,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:35,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:35,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:35,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 18:01:35,238 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:35,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:35,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1265189545, now seen corresponding path program 5 times [2021-03-25 18:01:35,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:35,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719798470] [2021-03-25 18:01:35,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:35,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:35,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:35,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:35,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:35,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:35,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:35,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:35,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:35,325 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:01:35,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:01:35,341 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:35,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:35,367 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-25 18:01:35,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:01:35,396 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:01:35,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:01:35,432 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:35,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:35,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719798470] [2021-03-25 18:01:35,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:35,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:35,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443168376] [2021-03-25 18:01:35,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:35,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:35,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:35,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:35,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:35,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 91 transitions, 879 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:35,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:35,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:35,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:36,926 INFO L129 PetriNetUnfolder]: 4217/10029 cut-off events. [2021-03-25 18:01:36,926 INFO L130 PetriNetUnfolder]: For 40017/40880 co-relation queries the response was YES. [2021-03-25 18:01:37,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28916 conditions, 10029 events. 4217/10029 cut-off events. For 40017/40880 co-relation queries the response was YES. Maximal size of possible extension queue 1381. Compared 111689 event pairs, 611 based on Foata normal form. 2/9501 useless extension candidates. Maximal degree in co-relation 28876. Up to 2199 conditions per place. [2021-03-25 18:01:37,113 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 100 selfloop transitions, 49 changer transitions 0/174 dead transitions. [2021-03-25 18:01:37,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 174 transitions, 2145 flow [2021-03-25 18:01:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:37,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:37,116 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:37,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:37,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:37,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:37,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,121 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,121 INFO L185 Difference]: Start difference. First operand has 105 places, 91 transitions, 879 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:37,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 174 transitions, 2145 flow [2021-03-25 18:01:37,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 174 transitions, 2053 flow, removed 37 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:37,205 INFO L241 Difference]: Finished difference. Result has 121 places, 124 transitions, 1471 flow [2021-03-25 18:01:37,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1471, PETRI_PLACES=121, PETRI_TRANSITIONS=124} [2021-03-25 18:01:37,206 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 71 predicate places. [2021-03-25 18:01:37,206 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:37,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 124 transitions, 1471 flow [2021-03-25 18:01:37,206 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 124 transitions, 1471 flow [2021-03-25 18:01:37,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 124 transitions, 1471 flow [2021-03-25 18:01:37,532 INFO L129 PetriNetUnfolder]: 590/2444 cut-off events. [2021-03-25 18:01:37,533 INFO L130 PetriNetUnfolder]: For 5604/5905 co-relation queries the response was YES. [2021-03-25 18:01:37,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4977 conditions, 2444 events. 590/2444 cut-off events. For 5604/5905 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 27626 event pairs, 0 based on Foata normal form. 11/2202 useless extension candidates. Maximal degree in co-relation 4930. Up to 584 conditions per place. [2021-03-25 18:01:37,575 INFO L142 LiptonReduction]: Number of co-enabled transitions 1890 [2021-03-25 18:01:37,589 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:37,589 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:37,589 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 383 [2021-03-25 18:01:37,590 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 124 transitions, 1471 flow [2021-03-25 18:01:37,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,590 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:37,590 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:37,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 18:01:37,591 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:37,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:37,591 INFO L82 PathProgramCache]: Analyzing trace with hash 69446857, now seen corresponding path program 1 times [2021-03-25 18:01:37,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:37,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085811982] [2021-03-25 18:01:37,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:37,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:37,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:37,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:37,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:01:37,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:37,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:37,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085811982] [2021-03-25 18:01:37,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:37,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:01:37,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667192452] [2021-03-25 18:01:37,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:01:37,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:37,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:01:37,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:01:37,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-03-25 18:01:37,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 124 transitions, 1471 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:37,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:37,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-03-25 18:01:37,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:37,825 INFO L129 PetriNetUnfolder]: 0/1353 cut-off events. [2021-03-25 18:01:37,825 INFO L130 PetriNetUnfolder]: For 5869/6128 co-relation queries the response was YES. [2021-03-25 18:01:37,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3994 conditions, 1353 events. 0/1353 cut-off events. For 5869/6128 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 17377 event pairs, 0 based on Foata normal form. 214/1404 useless extension candidates. Maximal degree in co-relation 0. Up to 146 conditions per place. [2021-03-25 18:01:37,829 INFO L132 encePairwiseOnDemand]: 103/107 looper letters, 1 selfloop transitions, 1 changer transitions 5/115 dead transitions. [2021-03-25 18:01:37,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 115 transitions, 1448 flow [2021-03-25 18:01:37,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:01:37,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:01:37,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2021-03-25 18:01:37,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9314641744548287 [2021-03-25 18:01:37,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 299 transitions. [2021-03-25 18:01:37,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 299 transitions. [2021-03-25 18:01:37,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:37,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 299 transitions. [2021-03-25 18:01:37,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,833 INFO L185 Difference]: Start difference. First operand has 121 places, 124 transitions, 1471 flow. Second operand 3 states and 299 transitions. [2021-03-25 18:01:37,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 115 transitions, 1448 flow [2021-03-25 18:01:37,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 115 transitions, 1410 flow, removed 13 selfloop flow, removed 1 redundant places. [2021-03-25 18:01:37,879 INFO L241 Difference]: Finished difference. Result has 122 places, 110 transitions, 1360 flow [2021-03-25 18:01:37,879 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=1406, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1360, PETRI_PLACES=122, PETRI_TRANSITIONS=110} [2021-03-25 18:01:37,880 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 72 predicate places. [2021-03-25 18:01:37,880 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:37,880 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 110 transitions, 1360 flow [2021-03-25 18:01:37,880 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 110 transitions, 1360 flow [2021-03-25 18:01:37,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 110 transitions, 1360 flow [2021-03-25 18:01:38,071 INFO L129 PetriNetUnfolder]: 0/1339 cut-off events. [2021-03-25 18:01:38,071 INFO L130 PetriNetUnfolder]: For 5071/5355 co-relation queries the response was YES. [2021-03-25 18:01:38,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3797 conditions, 1339 events. 0/1339 cut-off events. For 5071/5355 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 17289 event pairs, 0 based on Foata normal form. 11/1210 useless extension candidates. Maximal degree in co-relation 0. Up to 143 conditions per place. [2021-03-25 18:01:38,085 INFO L142 LiptonReduction]: Number of co-enabled transitions 910 [2021-03-25 18:01:38,091 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:38,091 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:38,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211 [2021-03-25 18:01:38,093 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 110 transitions, 1360 flow [2021-03-25 18:01:38,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 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) [2021-03-25 18:01:38,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:38,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:38,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 18:01:38,094 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:38,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:38,094 INFO L82 PathProgramCache]: Analyzing trace with hash 49113155, now seen corresponding path program 6 times [2021-03-25 18:01:38,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:38,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655036515] [2021-03-25 18:01:38,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:38,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:38,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:38,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:38,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:38,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:38,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:38,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:38,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:38,148 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:01:38,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:01:38,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-03-25 18:01:38,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:38,214 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-25 18:01:38,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 18:01:38,265 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:01:38,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:01:38,305 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:38,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:38,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655036515] [2021-03-25 18:01:38,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:38,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:38,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890191878] [2021-03-25 18:01:38,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:38,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:38,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:38,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:38,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:38,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 110 transitions, 1360 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:38,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:38,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:38,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:39,544 INFO L129 PetriNetUnfolder]: 2482/7195 cut-off events. [2021-03-25 18:01:39,545 INFO L130 PetriNetUnfolder]: For 72601/74367 co-relation queries the response was YES. [2021-03-25 18:01:39,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37059 conditions, 7195 events. 2482/7195 cut-off events. For 72601/74367 co-relation queries the response was YES. Maximal size of possible extension queue 786. Compared 81593 event pairs, 1050 based on Foata normal form. 2/7015 useless extension candidates. Maximal degree in co-relation 37011. Up to 2531 conditions per place. [2021-03-25 18:01:39,620 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 144 selfloop transitions, 44 changer transitions 1/205 dead transitions. [2021-03-25 18:01:39,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 205 transitions, 2986 flow [2021-03-25 18:01:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:39,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:39,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:39,622 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:39,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:39,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:39,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:39,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:39,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:39,626 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:39,626 INFO L185 Difference]: Start difference. First operand has 117 places, 110 transitions, 1360 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:39,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 205 transitions, 2986 flow [2021-03-25 18:01:39,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 205 transitions, 2915 flow, removed 35 selfloop flow, removed 6 redundant places. [2021-03-25 18:01:39,828 INFO L241 Difference]: Finished difference. Result has 128 places, 125 transitions, 1725 flow [2021-03-25 18:01:39,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=1349, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1725, PETRI_PLACES=128, PETRI_TRANSITIONS=125} [2021-03-25 18:01:39,829 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 78 predicate places. [2021-03-25 18:01:39,829 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:39,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 125 transitions, 1725 flow [2021-03-25 18:01:39,829 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 125 transitions, 1725 flow [2021-03-25 18:01:39,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 125 transitions, 1725 flow [2021-03-25 18:01:40,177 INFO L129 PetriNetUnfolder]: 0/2243 cut-off events. [2021-03-25 18:01:40,177 INFO L130 PetriNetUnfolder]: For 9957/10336 co-relation queries the response was YES. [2021-03-25 18:01:40,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6114 conditions, 2243 events. 0/2243 cut-off events. For 9957/10336 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 32096 event pairs, 0 based on Foata normal form. 17/2042 useless extension candidates. Maximal degree in co-relation 0. Up to 230 conditions per place. [2021-03-25 18:01:40,202 INFO L142 LiptonReduction]: Number of co-enabled transitions 1044 [2021-03-25 18:01:40,210 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:40,210 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:40,211 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-25 18:01:40,211 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 125 transitions, 1725 flow [2021-03-25 18:01:40,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:40,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:40,212 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:40,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 18:01:40,212 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:40,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:40,212 INFO L82 PathProgramCache]: Analyzing trace with hash -79794005, now seen corresponding path program 7 times [2021-03-25 18:01:40,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:40,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114709939] [2021-03-25 18:01:40,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:40,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:40,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:40,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:40,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:40,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:40,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:40,270 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:40,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:40,295 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:40,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:40,321 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:40,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:40,350 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-25 18:01:40,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:01:40,384 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:01:40,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:01:40,427 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:40,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:40,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114709939] [2021-03-25 18:01:40,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:40,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:40,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520651266] [2021-03-25 18:01:40,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:40,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:40,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:40,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:40,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:40,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 125 transitions, 1725 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:40,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:40,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:40,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:42,099 INFO L129 PetriNetUnfolder]: 3009/11033 cut-off events. [2021-03-25 18:01:42,099 INFO L130 PetriNetUnfolder]: For 127965/133062 co-relation queries the response was YES. [2021-03-25 18:01:42,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55289 conditions, 11033 events. 3009/11033 cut-off events. For 127965/133062 co-relation queries the response was YES. Maximal size of possible extension queue 1280. Compared 150182 event pairs, 883 based on Foata normal form. 7/10726 useless extension candidates. Maximal degree in co-relation 55238. Up to 2689 conditions per place. [2021-03-25 18:01:42,199 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 141 selfloop transitions, 85 changer transitions 1/243 dead transitions. [2021-03-25 18:01:42,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 243 transitions, 3995 flow [2021-03-25 18:01:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:42,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:42,201 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:42,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:42,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:42,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:42,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:42,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:42,205 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:42,205 INFO L185 Difference]: Start difference. First operand has 127 places, 125 transitions, 1725 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:42,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 243 transitions, 3995 flow [2021-03-25 18:01:42,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 243 transitions, 3823 flow, removed 54 selfloop flow, removed 2 redundant places. [2021-03-25 18:01:42,614 INFO L241 Difference]: Finished difference. Result has 142 places, 169 transitions, 2755 flow [2021-03-25 18:01:42,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=1647, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2755, PETRI_PLACES=142, PETRI_TRANSITIONS=169} [2021-03-25 18:01:42,615 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 92 predicate places. [2021-03-25 18:01:42,615 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:42,615 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 169 transitions, 2755 flow [2021-03-25 18:01:42,615 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 169 transitions, 2755 flow [2021-03-25 18:01:42,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 169 transitions, 2755 flow [2021-03-25 18:01:43,178 INFO L129 PetriNetUnfolder]: 0/4023 cut-off events. [2021-03-25 18:01:43,178 INFO L130 PetriNetUnfolder]: For 26142/27177 co-relation queries the response was YES. [2021-03-25 18:01:43,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12147 conditions, 4023 events. 0/4023 cut-off events. For 26142/27177 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 64711 event pairs, 0 based on Foata normal form. 38/3760 useless extension candidates. Maximal degree in co-relation 0. Up to 393 conditions per place. [2021-03-25 18:01:43,214 INFO L142 LiptonReduction]: Number of co-enabled transitions 1274 [2021-03-25 18:01:43,225 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:43,226 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:43,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 611 [2021-03-25 18:01:43,226 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 169 transitions, 2755 flow [2021-03-25 18:01:43,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:43,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:43,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:43,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 18:01:43,227 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:43,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:43,227 INFO L82 PathProgramCache]: Analyzing trace with hash 394404565, now seen corresponding path program 8 times [2021-03-25 18:01:43,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:43,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549128022] [2021-03-25 18:01:43,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:43,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:43,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:43,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:43,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:43,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:43,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:43,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:43,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:43,283 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:43,303 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:43,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:43,329 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:01:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:01:43,385 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:01:43,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:01:43,465 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:43,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:43,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549128022] [2021-03-25 18:01:43,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:43,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:43,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122655294] [2021-03-25 18:01:43,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:43,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:43,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:43,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:43,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:43,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 169 transitions, 2755 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:43,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:43,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:43,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:45,738 INFO L129 PetriNetUnfolder]: 3609/15146 cut-off events. [2021-03-25 18:01:45,738 INFO L130 PetriNetUnfolder]: For 215198/219577 co-relation queries the response was YES. [2021-03-25 18:01:45,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78992 conditions, 15146 events. 3609/15146 cut-off events. For 215198/219577 co-relation queries the response was YES. Maximal size of possible extension queue 1869. Compared 228830 event pairs, 1180 based on Foata normal form. 1/14680 useless extension candidates. Maximal degree in co-relation 78934. Up to 3921 conditions per place. [2021-03-25 18:01:45,928 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 217 selfloop transitions, 96 changer transitions 2/331 dead transitions. [2021-03-25 18:01:45,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 331 transitions, 6187 flow [2021-03-25 18:01:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:45,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:45,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:45,932 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:45,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:45,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:45,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:45,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:45,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:45,936 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:45,936 INFO L185 Difference]: Start difference. First operand has 141 places, 169 transitions, 2755 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:45,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 331 transitions, 6187 flow [2021-03-25 18:01:46,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 331 transitions, 6077 flow, removed 42 selfloop flow, removed 2 redundant places. [2021-03-25 18:01:46,814 INFO L241 Difference]: Finished difference. Result has 156 places, 211 transitions, 3900 flow [2021-03-25 18:01:46,815 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=2693, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3900, PETRI_PLACES=156, PETRI_TRANSITIONS=211} [2021-03-25 18:01:46,815 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 106 predicate places. [2021-03-25 18:01:46,815 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:46,815 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 211 transitions, 3900 flow [2021-03-25 18:01:46,815 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 211 transitions, 3900 flow [2021-03-25 18:01:46,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 211 transitions, 3900 flow [2021-03-25 18:01:47,699 INFO L129 PetriNetUnfolder]: 0/6076 cut-off events. [2021-03-25 18:01:47,699 INFO L130 PetriNetUnfolder]: For 53300/54874 co-relation queries the response was YES. [2021-03-25 18:01:47,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20226 conditions, 6076 events. 0/6076 cut-off events. For 53300/54874 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 104701 event pairs, 0 based on Foata normal form. 22/5681 useless extension candidates. Maximal degree in co-relation 0. Up to 590 conditions per place. [2021-03-25 18:01:47,771 INFO L142 LiptonReduction]: Number of co-enabled transitions 1476 [2021-03-25 18:01:47,784 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:47,785 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:47,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 970 [2021-03-25 18:01:47,789 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 211 transitions, 3900 flow [2021-03-25 18:01:47,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:47,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:47,790 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:47,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 18:01:47,790 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:47,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:47,791 INFO L82 PathProgramCache]: Analyzing trace with hash -344952837, now seen corresponding path program 9 times [2021-03-25 18:01:47,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:47,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12725772] [2021-03-25 18:01:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:47,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:47,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:47,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:47,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:47,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:47,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:47,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:47,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:47,877 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:47,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:47,899 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-25 18:01:47,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:47,944 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-25 18:01:47,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 18:01:48,002 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:01:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:01:48,042 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:48,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:48,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12725772] [2021-03-25 18:01:48,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:48,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:48,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272789601] [2021-03-25 18:01:48,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:48,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:48,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:48,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:48,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:48,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 211 transitions, 3900 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:48,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:48,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:48,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:50,608 INFO L129 PetriNetUnfolder]: 3603/14931 cut-off events. [2021-03-25 18:01:50,608 INFO L130 PetriNetUnfolder]: For 264869/269363 co-relation queries the response was YES. [2021-03-25 18:01:50,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85241 conditions, 14931 events. 3603/14931 cut-off events. For 264869/269363 co-relation queries the response was YES. Maximal size of possible extension queue 1815. Compared 222301 event pairs, 1292 based on Foata normal form. 5/14531 useless extension candidates. Maximal degree in co-relation 85176. Up to 4266 conditions per place. [2021-03-25 18:01:50,840 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 225 selfloop transitions, 102 changer transitions 1/344 dead transitions. [2021-03-25 18:01:50,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 344 transitions, 7065 flow [2021-03-25 18:01:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:50,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:50,849 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:50,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:50,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:50,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:50,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:50,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:50,860 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:50,860 INFO L185 Difference]: Start difference. First operand has 155 places, 211 transitions, 3900 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:50,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 344 transitions, 7065 flow [2021-03-25 18:01:52,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 344 transitions, 6716 flow, removed 150 selfloop flow, removed 3 redundant places. [2021-03-25 18:01:52,070 INFO L241 Difference]: Finished difference. Result has 169 places, 252 transitions, 5006 flow [2021-03-25 18:01:52,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=3736, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5006, PETRI_PLACES=169, PETRI_TRANSITIONS=252} [2021-03-25 18:01:52,071 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 119 predicate places. [2021-03-25 18:01:52,071 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:52,071 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 169 places, 252 transitions, 5006 flow [2021-03-25 18:01:52,071 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 169 places, 252 transitions, 5006 flow [2021-03-25 18:01:52,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 252 transitions, 5006 flow [2021-03-25 18:01:52,952 INFO L129 PetriNetUnfolder]: 0/6185 cut-off events. [2021-03-25 18:01:52,953 INFO L130 PetriNetUnfolder]: For 60035/62290 co-relation queries the response was YES. [2021-03-25 18:01:52,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20994 conditions, 6185 events. 0/6185 cut-off events. For 60035/62290 co-relation queries the response was YES. Maximal size of possible extension queue 773. Compared 106966 event pairs, 0 based on Foata normal form. 29/5790 useless extension candidates. Maximal degree in co-relation 0. Up to 604 conditions per place. [2021-03-25 18:01:53,010 INFO L142 LiptonReduction]: Number of co-enabled transitions 1650 [2021-03-25 18:01:53,025 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:53,025 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:53,025 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 954 [2021-03-25 18:01:53,026 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 252 transitions, 5006 flow [2021-03-25 18:01:53,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:53,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:53,026 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:53,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 18:01:53,026 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:53,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:53,027 INFO L82 PathProgramCache]: Analyzing trace with hash -902040587, now seen corresponding path program 10 times [2021-03-25 18:01:53,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:53,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619170001] [2021-03-25 18:01:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:53,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:53,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:53,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:53,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:53,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:53,074 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:01:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:01:53,104 INFO L142 QuantifierPusher]: treesize reduction 18, result has 72.3 percent of original size [2021-03-25 18:01:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:01:53,145 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:01:53,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:01:53,196 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:01:53,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:01:53,244 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:53,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:53,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619170001] [2021-03-25 18:01:53,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:53,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:53,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949434225] [2021-03-25 18:01:53,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:53,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:53,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:53,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:53,280 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:53,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 252 transitions, 5006 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:53,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:53,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:53,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:56,813 INFO L129 PetriNetUnfolder]: 3626/16548 cut-off events. [2021-03-25 18:01:56,813 INFO L130 PetriNetUnfolder]: For 335416/342545 co-relation queries the response was YES. [2021-03-25 18:01:56,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97499 conditions, 16548 events. 3626/16548 cut-off events. For 335416/342545 co-relation queries the response was YES. Maximal size of possible extension queue 2031. Compared 257424 event pairs, 1726 based on Foata normal form. 8/16072 useless extension candidates. Maximal degree in co-relation 97428. Up to 4214 conditions per place. [2021-03-25 18:01:56,948 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 267 selfloop transitions, 132 changer transitions 2/417 dead transitions. [2021-03-25 18:01:56,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 417 transitions, 8880 flow [2021-03-25 18:01:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:01:56,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:01:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:01:56,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:01:56,950 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:01:56,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:01:56,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:56,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:01:56,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:56,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:56,954 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:56,954 INFO L185 Difference]: Start difference. First operand has 168 places, 252 transitions, 5006 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:01:56,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 417 transitions, 8880 flow [2021-03-25 18:01:57,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 417 transitions, 8546 flow, removed 115 selfloop flow, removed 2 redundant places. [2021-03-25 18:01:57,960 INFO L241 Difference]: Finished difference. Result has 183 places, 286 transitions, 5922 flow [2021-03-25 18:01:57,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=4838, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5922, PETRI_PLACES=183, PETRI_TRANSITIONS=286} [2021-03-25 18:01:57,960 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 133 predicate places. [2021-03-25 18:01:57,960 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:57,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 286 transitions, 5922 flow [2021-03-25 18:01:57,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 286 transitions, 5922 flow [2021-03-25 18:01:57,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 286 transitions, 5922 flow [2021-03-25 18:01:59,429 INFO L129 PetriNetUnfolder]: 0/8155 cut-off events. [2021-03-25 18:01:59,429 INFO L130 PetriNetUnfolder]: For 92373/95331 co-relation queries the response was YES. [2021-03-25 18:01:59,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28711 conditions, 8155 events. 0/8155 cut-off events. For 92373/95331 co-relation queries the response was YES. Maximal size of possible extension queue 1027. Compared 148280 event pairs, 0 based on Foata normal form. 113/7751 useless extension candidates. Maximal degree in co-relation 0. Up to 826 conditions per place. [2021-03-25 18:01:59,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 1940 [2021-03-25 18:01:59,649 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:59,649 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:59,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1689 [2021-03-25 18:01:59,650 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 286 transitions, 5922 flow [2021-03-25 18:01:59,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:59,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:59,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:59,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 18:01:59,660 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:59,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1148306967, now seen corresponding path program 11 times [2021-03-25 18:01:59,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:59,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975976748] [2021-03-25 18:01:59,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:59,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:59,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:59,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:59,693 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:59,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:59,702 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:59,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:59,715 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:59,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:59,735 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:59,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:59,759 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-25 18:01:59,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:01:59,786 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:01:59,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:01:59,820 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:01:59,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:01:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:59,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975976748] [2021-03-25 18:01:59,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:59,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:01:59,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031337286] [2021-03-25 18:01:59,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:01:59,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:59,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:01:59,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:01:59,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:01:59,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 286 transitions, 5922 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:59,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:59,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:01:59,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:04,265 INFO L129 PetriNetUnfolder]: 3892/19260 cut-off events. [2021-03-25 18:02:04,265 INFO L130 PetriNetUnfolder]: For 424826/434469 co-relation queries the response was YES. [2021-03-25 18:02:04,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115999 conditions, 19260 events. 3892/19260 cut-off events. For 424826/434469 co-relation queries the response was YES. Maximal size of possible extension queue 2378. Compared 314084 event pairs, 1407 based on Foata normal form. 11/18673 useless extension candidates. Maximal degree in co-relation 115921. Up to 5001 conditions per place. [2021-03-25 18:02:04,465 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 219 selfloop transitions, 173 changer transitions 1/409 dead transitions. [2021-03-25 18:02:04,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 409 transitions, 9196 flow [2021-03-25 18:02:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:02:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:02:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:02:04,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:02:04,467 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:02:04,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:02:04,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:04,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:02:04,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:04,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:04,471 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:04,471 INFO L185 Difference]: Start difference. First operand has 182 places, 286 transitions, 5922 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:02:04,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 409 transitions, 9196 flow [2021-03-25 18:02:06,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 409 transitions, 8819 flow, removed 126 selfloop flow, removed 3 redundant places. [2021-03-25 18:02:06,226 INFO L241 Difference]: Finished difference. Result has 196 places, 339 transitions, 7625 flow [2021-03-25 18:02:06,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=5707, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7625, PETRI_PLACES=196, PETRI_TRANSITIONS=339} [2021-03-25 18:02:06,227 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 146 predicate places. [2021-03-25 18:02:06,227 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:06,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 339 transitions, 7625 flow [2021-03-25 18:02:06,227 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 339 transitions, 7625 flow [2021-03-25 18:02:06,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 339 transitions, 7625 flow [2021-03-25 18:02:08,253 INFO L129 PetriNetUnfolder]: 0/9323 cut-off events. [2021-03-25 18:02:08,253 INFO L130 PetriNetUnfolder]: For 125417/130025 co-relation queries the response was YES. [2021-03-25 18:02:08,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34443 conditions, 9323 events. 0/9323 cut-off events. For 125417/130025 co-relation queries the response was YES. Maximal size of possible extension queue 1179. Compared 172994 event pairs, 0 based on Foata normal form. 152/8901 useless extension candidates. Maximal degree in co-relation 0. Up to 956 conditions per place. [2021-03-25 18:02:08,321 INFO L142 LiptonReduction]: Number of co-enabled transitions 2272 [2021-03-25 18:02:08,337 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:08,337 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:08,338 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2111 [2021-03-25 18:02:08,338 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 339 transitions, 7625 flow [2021-03-25 18:02:08,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:08,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:08,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:08,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 18:02:08,339 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:08,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:08,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1553004443, now seen corresponding path program 12 times [2021-03-25 18:02:08,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:08,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466394085] [2021-03-25 18:02:08,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:08,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:08,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:08,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:08,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:08,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:08,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:08,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:08,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:08,400 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:02:08,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:02:08,429 INFO L142 QuantifierPusher]: treesize reduction 18, result has 72.3 percent of original size [2021-03-25 18:02:08,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:02:08,465 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:02:08,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:02:08,507 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:02:08,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:02:08,554 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:02:08,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:02:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:08,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466394085] [2021-03-25 18:02:08,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:08,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:02:08,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467231822] [2021-03-25 18:02:08,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:02:08,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:08,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:02:08,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:02:08,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:02:08,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 339 transitions, 7625 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:08,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:08,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:02:08,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:13,610 INFO L129 PetriNetUnfolder]: 3971/20301 cut-off events. [2021-03-25 18:02:13,611 INFO L130 PetriNetUnfolder]: For 535489/545854 co-relation queries the response was YES. [2021-03-25 18:02:13,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130219 conditions, 20301 events. 3971/20301 cut-off events. For 535489/545854 co-relation queries the response was YES. Maximal size of possible extension queue 2479. Compared 337023 event pairs, 1815 based on Foata normal form. 14/19554 useless extension candidates. Maximal degree in co-relation 130135. Up to 4783 conditions per place. [2021-03-25 18:02:13,810 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 281 selfloop transitions, 205 changer transitions 2/504 dead transitions. [2021-03-25 18:02:13,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 504 transitions, 12007 flow [2021-03-25 18:02:13,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:02:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:02:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:02:13,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:02:13,811 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:02:13,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:02:13,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:13,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:02:13,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:13,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:13,815 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:13,815 INFO L185 Difference]: Start difference. First operand has 195 places, 339 transitions, 7625 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:02:13,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 504 transitions, 12007 flow [2021-03-25 18:02:16,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 504 transitions, 11723 flow, removed 85 selfloop flow, removed 2 redundant places. [2021-03-25 18:02:16,034 INFO L241 Difference]: Finished difference. Result has 210 places, 375 transitions, 8941 flow [2021-03-25 18:02:16,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=7437, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8941, PETRI_PLACES=210, PETRI_TRANSITIONS=375} [2021-03-25 18:02:16,035 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 160 predicate places. [2021-03-25 18:02:16,035 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:16,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 375 transitions, 8941 flow [2021-03-25 18:02:16,035 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 375 transitions, 8941 flow [2021-03-25 18:02:16,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 375 transitions, 8941 flow [2021-03-25 18:02:18,714 INFO L129 PetriNetUnfolder]: 0/10977 cut-off events. [2021-03-25 18:02:18,715 INFO L130 PetriNetUnfolder]: For 172973/178709 co-relation queries the response was YES. [2021-03-25 18:02:18,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42492 conditions, 10977 events. 0/10977 cut-off events. For 172973/178709 co-relation queries the response was YES. Maximal size of possible extension queue 1385. Compared 209113 event pairs, 0 based on Foata normal form. 147/10512 useless extension candidates. Maximal degree in co-relation 0. Up to 1128 conditions per place. [2021-03-25 18:02:18,817 INFO L142 LiptonReduction]: Number of co-enabled transitions 2634 [2021-03-25 18:02:18,836 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:18,836 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:18,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2801 [2021-03-25 18:02:18,836 INFO L480 AbstractCegarLoop]: Abstraction has has 209 places, 375 transitions, 8941 flow [2021-03-25 18:02:18,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:18,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:18,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:18,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 18:02:18,837 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:18,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:18,838 INFO L82 PathProgramCache]: Analyzing trace with hash 825661975, now seen corresponding path program 13 times [2021-03-25 18:02:18,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:18,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857757047] [2021-03-25 18:02:18,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:18,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:18,876 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:02:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:02:18,890 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:02:18,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:02:18,913 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:02:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:02:18,939 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:02:18,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:02:18,970 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:02:18,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:02:19,012 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:02:19,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:02:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:19,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857757047] [2021-03-25 18:02:19,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:19,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:02:19,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693764083] [2021-03-25 18:02:19,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:02:19,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:19,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:02:19,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:02:19,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:02:19,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 375 transitions, 8941 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:19,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:19,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:02:19,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:25,393 INFO L129 PetriNetUnfolder]: 4096/23889 cut-off events. [2021-03-25 18:02:25,393 INFO L130 PetriNetUnfolder]: For 637832/649137 co-relation queries the response was YES. [2021-03-25 18:02:25,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149715 conditions, 23889 events. 4096/23889 cut-off events. For 637832/649137 co-relation queries the response was YES. Maximal size of possible extension queue 2905. Compared 418935 event pairs, 1914 based on Foata normal form. 25/22979 useless extension candidates. Maximal degree in co-relation 149624. Up to 5149 conditions per place. [2021-03-25 18:02:25,673 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 269 selfloop transitions, 238 changer transitions 1/524 dead transitions. [2021-03-25 18:02:25,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 524 transitions, 13191 flow [2021-03-25 18:02:25,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:02:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:02:25,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:02:25,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:02:25,675 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:02:25,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:02:25,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:25,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:02:25,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:25,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:25,678 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:25,678 INFO L185 Difference]: Start difference. First operand has 209 places, 375 transitions, 8941 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:02:25,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 524 transitions, 13191 flow [2021-03-25 18:02:29,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 524 transitions, 12806 flow, removed 130 selfloop flow, removed 3 redundant places. [2021-03-25 18:02:29,159 INFO L241 Difference]: Finished difference. Result has 223 places, 436 transitions, 10986 flow [2021-03-25 18:02:29,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=8656, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=10986, PETRI_PLACES=223, PETRI_TRANSITIONS=436} [2021-03-25 18:02:29,159 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 173 predicate places. [2021-03-25 18:02:29,160 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:29,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 436 transitions, 10986 flow [2021-03-25 18:02:29,160 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 436 transitions, 10986 flow [2021-03-25 18:02:29,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 436 transitions, 10986 flow [2021-03-25 18:02:32,728 INFO L129 PetriNetUnfolder]: 0/12611 cut-off events. [2021-03-25 18:02:32,728 INFO L130 PetriNetUnfolder]: For 239990/246870 co-relation queries the response was YES. [2021-03-25 18:02:32,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51389 conditions, 12611 events. 0/12611 cut-off events. For 239990/246870 co-relation queries the response was YES. Maximal size of possible extension queue 1595. Compared 245840 event pairs, 0 based on Foata normal form. 228/12108 useless extension candidates. Maximal degree in co-relation 0. Up to 1309 conditions per place. [2021-03-25 18:02:33,004 INFO L142 LiptonReduction]: Number of co-enabled transitions 3078 [2021-03-25 18:02:33,034 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:33,034 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:33,034 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3874 [2021-03-25 18:02:33,035 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 436 transitions, 10986 flow [2021-03-25 18:02:33,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:33,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:33,035 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:33,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 18:02:33,035 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:33,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:33,036 INFO L82 PathProgramCache]: Analyzing trace with hash -742751195, now seen corresponding path program 14 times [2021-03-25 18:02:33,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:33,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660219442] [2021-03-25 18:02:33,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:33,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:33,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:33,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:33,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:33,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:33,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:33,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:33,079 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:02:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:02:33,099 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:33,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:33,120 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:02:33,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:02:33,166 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:02:33,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:02:33,198 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:02:33,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:02:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:33,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660219442] [2021-03-25 18:02:33,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:33,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:02:33,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022397502] [2021-03-25 18:02:33,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:02:33,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:33,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:02:33,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:02:33,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:02:33,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 436 transitions, 10986 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:33,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:33,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:02:33,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:41,063 INFO L129 PetriNetUnfolder]: 4071/24168 cut-off events. [2021-03-25 18:02:41,063 INFO L130 PetriNetUnfolder]: For 726016/736855 co-relation queries the response was YES. [2021-03-25 18:02:41,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159466 conditions, 24168 events. 4071/24168 cut-off events. For 726016/736855 co-relation queries the response was YES. Maximal size of possible extension queue 3055. Compared 425920 event pairs, 2127 based on Foata normal form. 22/23427 useless extension candidates. Maximal degree in co-relation 159369. Up to 4617 conditions per place. [2021-03-25 18:02:41,329 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 304 selfloop transitions, 276 changer transitions 2/598 dead transitions. [2021-03-25 18:02:41,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 598 transitions, 15970 flow [2021-03-25 18:02:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:02:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:02:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:02:41,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:02:41,331 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:02:41,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:02:41,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:41,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:02:41,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:41,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:41,334 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:41,334 INFO L185 Difference]: Start difference. First operand has 222 places, 436 transitions, 10986 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:02:41,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 598 transitions, 15970 flow [2021-03-25 18:02:44,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 598 transitions, 15516 flow, removed 165 selfloop flow, removed 2 redundant places. [2021-03-25 18:02:44,765 INFO L241 Difference]: Finished difference. Result has 237 places, 469 transitions, 12534 flow [2021-03-25 18:02:44,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=10622, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=243, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=12534, PETRI_PLACES=237, PETRI_TRANSITIONS=469} [2021-03-25 18:02:44,766 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 187 predicate places. [2021-03-25 18:02:44,766 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:44,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 469 transitions, 12534 flow [2021-03-25 18:02:44,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 469 transitions, 12534 flow [2021-03-25 18:02:44,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 469 transitions, 12534 flow [2021-03-25 18:02:49,037 INFO L129 PetriNetUnfolder]: 0/13440 cut-off events. [2021-03-25 18:02:49,037 INFO L130 PetriNetUnfolder]: For 285060/292478 co-relation queries the response was YES. [2021-03-25 18:02:49,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57637 conditions, 13440 events. 0/13440 cut-off events. For 285060/292478 co-relation queries the response was YES. Maximal size of possible extension queue 1679. Compared 264532 event pairs, 0 based on Foata normal form. 172/12774 useless extension candidates. Maximal degree in co-relation 0. Up to 1397 conditions per place. [2021-03-25 18:02:49,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 3334 [2021-03-25 18:02:49,204 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:49,204 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:49,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4438 [2021-03-25 18:02:49,204 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 469 transitions, 12534 flow [2021-03-25 18:02:49,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:49,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:49,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:49,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 18:02:49,205 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:49,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:49,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1845019367, now seen corresponding path program 15 times [2021-03-25 18:02:49,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:49,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298352267] [2021-03-25 18:02:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:49,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:49,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:49,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:49,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:49,240 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:02:49,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:02:49,252 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:02:49,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:02:49,265 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:49,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:49,294 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:02:49,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:02:49,318 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-25 18:02:49,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:02:49,354 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:02:49,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:02:49,397 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:02:49,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:02:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:49,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298352267] [2021-03-25 18:02:49,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:49,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:02:49,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81728335] [2021-03-25 18:02:49,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:02:49,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:49,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:02:49,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:02:49,429 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:02:49,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 469 transitions, 12534 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:49,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:49,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:02:49,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:57,886 INFO L129 PetriNetUnfolder]: 4075/24720 cut-off events. [2021-03-25 18:02:57,886 INFO L130 PetriNetUnfolder]: For 828291/839384 co-relation queries the response was YES. [2021-03-25 18:02:58,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169753 conditions, 24720 events. 4075/24720 cut-off events. For 828291/839384 co-relation queries the response was YES. Maximal size of possible extension queue 3079. Compared 438444 event pairs, 2089 based on Foata normal form. 29/23895 useless extension candidates. Maximal degree in co-relation 169649. Up to 5064 conditions per place. [2021-03-25 18:02:58,192 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 302 selfloop transitions, 282 changer transitions 1/601 dead transitions. [2021-03-25 18:02:58,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 601 transitions, 16764 flow [2021-03-25 18:02:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:02:58,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:02:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:02:58,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:02:58,193 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:02:58,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:02:58,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:58,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:02:58,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:58,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:58,196 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:58,196 INFO L185 Difference]: Start difference. First operand has 236 places, 469 transitions, 12534 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:02:58,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 601 transitions, 16764 flow [2021-03-25 18:03:03,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 601 transitions, 16344 flow, removed 147 selfloop flow, removed 3 redundant places. [2021-03-25 18:03:03,462 INFO L241 Difference]: Finished difference. Result has 250 places, 508 transitions, 14238 flow [2021-03-25 18:03:03,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=12208, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=243, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=14238, PETRI_PLACES=250, PETRI_TRANSITIONS=508} [2021-03-25 18:03:03,463 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 200 predicate places. [2021-03-25 18:03:03,463 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:03,463 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 508 transitions, 14238 flow [2021-03-25 18:03:03,463 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 508 transitions, 14238 flow [2021-03-25 18:03:03,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 508 transitions, 14238 flow [2021-03-25 18:03:07,915 INFO L129 PetriNetUnfolder]: 0/13831 cut-off events. [2021-03-25 18:03:07,916 INFO L130 PetriNetUnfolder]: For 319754/328931 co-relation queries the response was YES. [2021-03-25 18:03:07,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61639 conditions, 13831 events. 0/13831 cut-off events. For 319754/328931 co-relation queries the response was YES. Maximal size of possible extension queue 1752. Compared 273715 event pairs, 0 based on Foata normal form. 145/13098 useless extension candidates. Maximal degree in co-relation 0. Up to 1442 conditions per place. [2021-03-25 18:03:08,060 INFO L142 LiptonReduction]: Number of co-enabled transitions 3718 [2021-03-25 18:03:08,097 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:08,097 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:08,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4634 [2021-03-25 18:03:08,098 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 508 transitions, 14238 flow [2021-03-25 18:03:08,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:08,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:08,098 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:08,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 18:03:08,099 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:08,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:08,099 INFO L82 PathProgramCache]: Analyzing trace with hash 565321301, now seen corresponding path program 16 times [2021-03-25 18:03:08,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:08,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902700410] [2021-03-25 18:03:08,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:08,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:08,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:08,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:08,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:08,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:08,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:08,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:08,157 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:08,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:08,176 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:08,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:08,201 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:03:08,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:03:08,258 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:03:08,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:03:08,295 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:03:08,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:03:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:08,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902700410] [2021-03-25 18:03:08,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:08,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:03:08,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433213672] [2021-03-25 18:03:08,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:03:08,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:08,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:03:08,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:03:08,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:03:08,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 508 transitions, 14238 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:08,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:08,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:03:08,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:17,208 INFO L129 PetriNetUnfolder]: 4026/25615 cut-off events. [2021-03-25 18:03:17,209 INFO L130 PetriNetUnfolder]: For 915494/924736 co-relation queries the response was YES. [2021-03-25 18:03:17,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179844 conditions, 25615 events. 4026/25615 cut-off events. For 915494/924736 co-relation queries the response was YES. Maximal size of possible extension queue 3245. Compared 461098 event pairs, 2210 based on Foata normal form. 29/24731 useless extension candidates. Maximal degree in co-relation 179734. Up to 4766 conditions per place. [2021-03-25 18:03:17,669 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 349 selfloop transitions, 313 changer transitions 2/680 dead transitions. [2021-03-25 18:03:17,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 680 transitions, 20215 flow [2021-03-25 18:03:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:03:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:03:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:03:17,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:03:17,670 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:03:17,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:03:17,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:17,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:03:17,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:17,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:17,673 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:17,673 INFO L185 Difference]: Start difference. First operand has 249 places, 508 transitions, 14238 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:03:17,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 680 transitions, 20215 flow [2021-03-25 18:03:22,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 680 transitions, 19767 flow, removed 162 selfloop flow, removed 2 redundant places. [2021-03-25 18:03:22,929 INFO L241 Difference]: Finished difference. Result has 263 places, 556 transitions, 16293 flow [2021-03-25 18:03:22,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=13902, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16293, PETRI_PLACES=263, PETRI_TRANSITIONS=556} [2021-03-25 18:03:22,930 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 213 predicate places. [2021-03-25 18:03:22,930 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:22,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 556 transitions, 16293 flow [2021-03-25 18:03:22,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 556 transitions, 16293 flow [2021-03-25 18:03:22,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 262 places, 556 transitions, 16293 flow [2021-03-25 18:03:27,680 INFO L129 PetriNetUnfolder]: 0/15066 cut-off events. [2021-03-25 18:03:27,680 INFO L130 PetriNetUnfolder]: For 403476/412766 co-relation queries the response was YES. [2021-03-25 18:03:27,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70652 conditions, 15066 events. 0/15066 cut-off events. For 403476/412766 co-relation queries the response was YES. Maximal size of possible extension queue 1897. Compared 301603 event pairs, 0 based on Foata normal form. 220/14425 useless extension candidates. Maximal degree in co-relation 0. Up to 1565 conditions per place. [2021-03-25 18:03:28,018 INFO L142 LiptonReduction]: Number of co-enabled transitions 4060 [2021-03-25 18:03:28,060 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:28,060 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:28,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5131 [2021-03-25 18:03:28,061 INFO L480 AbstractCegarLoop]: Abstraction has has 262 places, 556 transitions, 16293 flow [2021-03-25 18:03:28,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:28,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:28,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:28,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 18:03:28,062 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:28,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:28,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1425841649, now seen corresponding path program 17 times [2021-03-25 18:03:28,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:28,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610644277] [2021-03-25 18:03:28,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:28,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:28,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:28,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:03:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:03:28,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:28,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:28,108 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:03:28,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:03:28,138 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:03:28,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:03:28,162 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:03:28,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:03:28,193 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:03:28,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:03:28,231 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:03:28,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:03:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:28,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610644277] [2021-03-25 18:03:28,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:28,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:03:28,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56696305] [2021-03-25 18:03:28,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:03:28,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:28,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:03:28,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:03:28,263 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:03:28,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 556 transitions, 16293 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:28,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:28,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:03:28,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:37,328 INFO L129 PetriNetUnfolder]: 4012/26060 cut-off events. [2021-03-25 18:03:37,328 INFO L130 PetriNetUnfolder]: For 1010931/1020615 co-relation queries the response was YES. [2021-03-25 18:03:37,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187337 conditions, 26060 events. 4012/26060 cut-off events. For 1010931/1020615 co-relation queries the response was YES. Maximal size of possible extension queue 3243. Compared 471693 event pairs, 2190 based on Foata normal form. 40/25136 useless extension candidates. Maximal degree in co-relation 187221. Up to 5064 conditions per place. [2021-03-25 18:03:37,802 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 314 selfloop transitions, 349 changer transitions 1/680 dead transitions. [2021-03-25 18:03:37,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 680 transitions, 20987 flow [2021-03-25 18:03:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:03:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:03:37,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:03:37,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:03:37,825 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:03:37,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:03:37,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:37,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:03:37,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:37,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:37,827 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:37,827 INFO L185 Difference]: Start difference. First operand has 262 places, 556 transitions, 16293 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:03:37,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 680 transitions, 20987 flow [2021-03-25 18:03:44,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 680 transitions, 20203 flow, removed 182 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:44,223 INFO L241 Difference]: Finished difference. Result has 274 places, 583 transitions, 17514 flow [2021-03-25 18:03:44,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=15645, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17514, PETRI_PLACES=274, PETRI_TRANSITIONS=583} [2021-03-25 18:03:44,224 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 224 predicate places. [2021-03-25 18:03:44,224 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:44,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 583 transitions, 17514 flow [2021-03-25 18:03:44,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 583 transitions, 17514 flow [2021-03-25 18:03:44,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 583 transitions, 17514 flow [2021-03-25 18:03:48,495 INFO L129 PetriNetUnfolder]: 0/15283 cut-off events. [2021-03-25 18:03:48,495 INFO L130 PetriNetUnfolder]: For 426354/435985 co-relation queries the response was YES. [2021-03-25 18:03:48,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73270 conditions, 15283 events. 0/15283 cut-off events. For 426354/435985 co-relation queries the response was YES. Maximal size of possible extension queue 1983. Compared 306626 event pairs, 0 based on Foata normal form. 204/14609 useless extension candidates. Maximal degree in co-relation 0. Up to 1589 conditions per place. [2021-03-25 18:03:48,891 INFO L142 LiptonReduction]: Number of co-enabled transitions 4360 [2021-03-25 18:03:48,935 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:48,935 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:48,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4712 [2021-03-25 18:03:48,936 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 583 transitions, 17514 flow [2021-03-25 18:03:48,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:48,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:48,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:48,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 18:03:48,937 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:48,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1009115031, now seen corresponding path program 18 times [2021-03-25 18:03:48,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:48,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77112055] [2021-03-25 18:03:48,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:48,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:48,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:48,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:48,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:48,972 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:03:48,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:03:48,986 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:48,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:49,004 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-25 18:03:49,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 18:03:49,044 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:03:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:03:49,100 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:03:49,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:03:49,141 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:03:49,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:03:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:49,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77112055] [2021-03-25 18:03:49,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:49,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:03:49,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913044798] [2021-03-25 18:03:49,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:03:49,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:49,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:03:49,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:03:49,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:03:49,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 583 transitions, 17514 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:49,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:49,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:03:49,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:58,895 INFO L129 PetriNetUnfolder]: 4056/26505 cut-off events. [2021-03-25 18:03:58,895 INFO L130 PetriNetUnfolder]: For 1077000/1087137 co-relation queries the response was YES. [2021-03-25 18:03:59,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195139 conditions, 26505 events. 4056/26505 cut-off events. For 1077000/1087137 co-relation queries the response was YES. Maximal size of possible extension queue 3360. Compared 482286 event pairs, 2267 based on Foata normal form. 46/25579 useless extension candidates. Maximal degree in co-relation 195018. Up to 4885 conditions per place. [2021-03-25 18:03:59,185 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 320 selfloop transitions, 384 changer transitions 2/722 dead transitions. [2021-03-25 18:03:59,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 722 transitions, 23098 flow [2021-03-25 18:03:59,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:03:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:03:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:03:59,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:03:59,191 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:03:59,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:03:59,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:59,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:03:59,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:59,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:59,194 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:59,194 INFO L185 Difference]: Start difference. First operand has 273 places, 583 transitions, 17514 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:03:59,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 722 transitions, 23098 flow [2021-03-25 18:04:06,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 722 transitions, 22301 flow, removed 183 selfloop flow, removed 3 redundant places. [2021-03-25 18:04:06,669 INFO L241 Difference]: Finished difference. Result has 286 places, 636 transitions, 19938 flow [2021-03-25 18:04:06,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=16901, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=331, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19938, PETRI_PLACES=286, PETRI_TRANSITIONS=636} [2021-03-25 18:04:06,670 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 236 predicate places. [2021-03-25 18:04:06,670 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:06,670 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 286 places, 636 transitions, 19938 flow [2021-03-25 18:04:06,670 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 286 places, 636 transitions, 19938 flow [2021-03-25 18:04:06,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 285 places, 636 transitions, 19938 flow [2021-03-25 18:04:11,464 INFO L129 PetriNetUnfolder]: 0/15800 cut-off events. [2021-03-25 18:04:11,465 INFO L130 PetriNetUnfolder]: For 478032/488974 co-relation queries the response was YES. [2021-03-25 18:04:11,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78355 conditions, 15800 events. 0/15800 cut-off events. For 478032/488974 co-relation queries the response was YES. Maximal size of possible extension queue 2062. Compared 318542 event pairs, 0 based on Foata normal form. 217/15106 useless extension candidates. Maximal degree in co-relation 0. Up to 1660 conditions per place. [2021-03-25 18:04:11,608 INFO L142 LiptonReduction]: Number of co-enabled transitions 4742 [2021-03-25 18:04:11,659 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:11,659 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:11,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4990 [2021-03-25 18:04:11,660 INFO L480 AbstractCegarLoop]: Abstraction has has 285 places, 636 transitions, 19938 flow [2021-03-25 18:04:11,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:11,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:11,660 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:11,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 18:04:11,660 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:11,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:11,661 INFO L82 PathProgramCache]: Analyzing trace with hash 231563487, now seen corresponding path program 19 times [2021-03-25 18:04:11,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:11,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359112277] [2021-03-25 18:04:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:11,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:11,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:11,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:11,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:11,685 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:11,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:11,693 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:11,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:11,705 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:04:11,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:04:11,723 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:11,746 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:04:11,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:04:11,791 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:04:11,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:04:11,832 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:04:11,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:04:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:11,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359112277] [2021-03-25 18:04:11,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:11,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:04:11,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896663550] [2021-03-25 18:04:11,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:04:11,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:11,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:04:11,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:04:11,863 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:04:11,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 636 transitions, 19938 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:11,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:11,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:04:11,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:22,545 INFO L129 PetriNetUnfolder]: 4065/26940 cut-off events. [2021-03-25 18:04:22,546 INFO L130 PetriNetUnfolder]: For 1131303/1141601 co-relation queries the response was YES. [2021-03-25 18:04:23,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200450 conditions, 26940 events. 4065/26940 cut-off events. For 1131303/1141601 co-relation queries the response was YES. Maximal size of possible extension queue 3359. Compared 491811 event pairs, 2205 based on Foata normal form. 47/25927 useless extension candidates. Maximal degree in co-relation 200323. Up to 5064 conditions per place. [2021-03-25 18:04:23,124 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 288 selfloop transitions, 433 changer transitions 2/739 dead transitions. [2021-03-25 18:04:23,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 739 transitions, 24252 flow [2021-03-25 18:04:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:04:23,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:04:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:04:23,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:04:23,125 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:04:23,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:04:23,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:23,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:04:23,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:23,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:23,128 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:23,128 INFO L185 Difference]: Start difference. First operand has 285 places, 636 transitions, 19938 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:04:23,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 739 transitions, 24252 flow [2021-03-25 18:04:31,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 739 transitions, 23574 flow, removed 129 selfloop flow, removed 4 redundant places. [2021-03-25 18:04:31,864 INFO L241 Difference]: Finished difference. Result has 296 places, 672 transitions, 21669 flow [2021-03-25 18:04:31,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=19382, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=21669, PETRI_PLACES=296, PETRI_TRANSITIONS=672} [2021-03-25 18:04:31,866 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 246 predicate places. [2021-03-25 18:04:31,866 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:31,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 672 transitions, 21669 flow [2021-03-25 18:04:31,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 672 transitions, 21669 flow [2021-03-25 18:04:31,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 672 transitions, 21669 flow [2021-03-25 18:04:36,171 INFO L129 PetriNetUnfolder]: 0/15956 cut-off events. [2021-03-25 18:04:36,172 INFO L130 PetriNetUnfolder]: For 490958/502736 co-relation queries the response was YES. [2021-03-25 18:04:36,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79860 conditions, 15956 events. 0/15956 cut-off events. For 490958/502736 co-relation queries the response was YES. Maximal size of possible extension queue 2074. Compared 322011 event pairs, 0 based on Foata normal form. 212/15276 useless extension candidates. Maximal degree in co-relation 0. Up to 1681 conditions per place. [2021-03-25 18:04:36,330 INFO L142 LiptonReduction]: Number of co-enabled transitions 5040 [2021-03-25 18:04:36,391 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:36,391 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:36,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4525 [2021-03-25 18:04:36,392 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 672 transitions, 21669 flow [2021-03-25 18:04:36,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:36,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:36,392 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:36,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-25 18:04:36,392 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:36,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:36,393 INFO L82 PathProgramCache]: Analyzing trace with hash -975072863, now seen corresponding path program 20 times [2021-03-25 18:04:36,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:36,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088092854] [2021-03-25 18:04:36,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:36,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:36,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:36,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:36,417 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:36,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:36,426 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:04:36,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:04:36,438 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:36,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:36,454 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-25 18:04:36,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 18:04:36,486 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:04:36,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:04:36,536 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:04:36,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:04:36,576 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:04:36,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:04:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:36,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088092854] [2021-03-25 18:04:36,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:36,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:04:36,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530135030] [2021-03-25 18:04:36,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:04:36,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:36,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:04:36,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:04:36,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:04:36,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 672 transitions, 21669 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:36,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:36,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:04:36,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:47,107 INFO L129 PetriNetUnfolder]: 4028/26811 cut-off events. [2021-03-25 18:04:47,107 INFO L130 PetriNetUnfolder]: For 1149441/1159854 co-relation queries the response was YES. [2021-03-25 18:04:47,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202090 conditions, 26811 events. 4028/26811 cut-off events. For 1149441/1159854 co-relation queries the response was YES. Maximal size of possible extension queue 3385. Compared 489061 event pairs, 2475 based on Foata normal form. 49/25872 useless extension candidates. Maximal degree in co-relation 201959. Up to 5075 conditions per place. [2021-03-25 18:04:47,727 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 281 selfloop transitions, 486 changer transitions 2/785 dead transitions. [2021-03-25 18:04:47,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 785 transitions, 26401 flow [2021-03-25 18:04:47,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:04:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:04:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:04:47,728 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:04:47,728 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:04:47,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:04:47,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:47,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:04:47,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:47,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:47,730 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:47,730 INFO L185 Difference]: Start difference. First operand has 295 places, 672 transitions, 21669 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:04:47,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 785 transitions, 26401 flow [2021-03-25 18:04:57,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 785 transitions, 25419 flow, removed 134 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:57,342 INFO L241 Difference]: Finished difference. Result has 306 places, 692 transitions, 22994 flow [2021-03-25 18:04:57,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=20761, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=466, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=22994, PETRI_PLACES=306, PETRI_TRANSITIONS=692} [2021-03-25 18:04:57,343 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 256 predicate places. [2021-03-25 18:04:57,343 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:57,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 692 transitions, 22994 flow [2021-03-25 18:04:57,343 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 692 transitions, 22994 flow [2021-03-25 18:04:57,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 305 places, 692 transitions, 22994 flow [2021-03-25 18:05:01,825 INFO L129 PetriNetUnfolder]: 0/16265 cut-off events. [2021-03-25 18:05:01,825 INFO L130 PetriNetUnfolder]: For 526213/538821 co-relation queries the response was YES. [2021-03-25 18:05:01,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82667 conditions, 16265 events. 0/16265 cut-off events. For 526213/538821 co-relation queries the response was YES. Maximal size of possible extension queue 2121. Compared 329302 event pairs, 0 based on Foata normal form. 269/15609 useless extension candidates. Maximal degree in co-relation 0. Up to 1727 conditions per place. [2021-03-25 18:05:01,994 INFO L142 LiptonReduction]: Number of co-enabled transitions 5260 [2021-03-25 18:05:02,059 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:02,059 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:02,059 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4716 [2021-03-25 18:05:02,059 INFO L480 AbstractCegarLoop]: Abstraction has has 305 places, 692 transitions, 22994 flow [2021-03-25 18:05:02,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:02,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:02,060 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:02,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-25 18:05:02,060 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:02,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:02,060 INFO L82 PathProgramCache]: Analyzing trace with hash 50421295, now seen corresponding path program 21 times [2021-03-25 18:05:02,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:02,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138741997] [2021-03-25 18:05:02,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:02,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:02,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:02,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:02,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:02,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:02,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:02,093 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:02,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:02,105 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:05:02,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:05:02,124 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-25 18:05:02,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 18:05:02,164 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-25 18:05:02,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 18:05:02,210 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:05:02,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:05:02,241 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:05:02,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:05:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:02,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138741997] [2021-03-25 18:05:02,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:02,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:05:02,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259734663] [2021-03-25 18:05:02,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:05:02,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:02,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:05:02,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:05:02,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:05:02,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 692 transitions, 22994 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:02,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:02,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:05:02,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:14,214 INFO L129 PetriNetUnfolder]: 4029/27567 cut-off events. [2021-03-25 18:05:14,215 INFO L130 PetriNetUnfolder]: For 1195065/1205648 co-relation queries the response was YES. [2021-03-25 18:05:14,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207737 conditions, 27567 events. 4029/27567 cut-off events. For 1195065/1205648 co-relation queries the response was YES. Maximal size of possible extension queue 3477. Compared 508053 event pairs, 2166 based on Foata normal form. 45/26532 useless extension candidates. Maximal degree in co-relation 207601. Up to 5064 conditions per place. [2021-03-25 18:05:14,657 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 385 selfloop transitions, 414 changer transitions 1/816 dead transitions. [2021-03-25 18:05:14,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 816 transitions, 28132 flow [2021-03-25 18:05:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:05:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:05:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:05:14,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:05:14,659 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:05:14,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:05:14,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:14,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:05:14,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:14,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:14,662 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:14,662 INFO L185 Difference]: Start difference. First operand has 305 places, 692 transitions, 22994 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:05:14,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 816 transitions, 28132 flow [2021-03-25 18:05:26,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 816 transitions, 27330 flow, removed 185 selfloop flow, removed 4 redundant places. [2021-03-25 18:05:26,396 INFO L241 Difference]: Finished difference. Result has 316 places, 734 transitions, 24793 flow [2021-03-25 18:05:26,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=22394, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=692, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=372, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=24793, PETRI_PLACES=316, PETRI_TRANSITIONS=734} [2021-03-25 18:05:26,396 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 266 predicate places. [2021-03-25 18:05:26,397 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:26,397 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 734 transitions, 24793 flow [2021-03-25 18:05:26,397 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 734 transitions, 24793 flow [2021-03-25 18:05:26,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 734 transitions, 24793 flow [2021-03-25 18:05:31,191 INFO L129 PetriNetUnfolder]: 0/16825 cut-off events. [2021-03-25 18:05:31,191 INFO L130 PetriNetUnfolder]: For 548261/561049 co-relation queries the response was YES. [2021-03-25 18:05:31,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86861 conditions, 16825 events. 0/16825 cut-off events. For 548261/561049 co-relation queries the response was YES. Maximal size of possible extension queue 2226. Compared 342304 event pairs, 0 based on Foata normal form. 283/16133 useless extension candidates. Maximal degree in co-relation 0. Up to 1788 conditions per place. [2021-03-25 18:05:31,377 INFO L142 LiptonReduction]: Number of co-enabled transitions 5542 [2021-03-25 18:05:31,449 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:31,449 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:31,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5053 [2021-03-25 18:05:31,449 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 734 transitions, 24793 flow [2021-03-25 18:05:31,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:31,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:31,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:31,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-25 18:05:31,450 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:31,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:31,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1820257003, now seen corresponding path program 22 times [2021-03-25 18:05:31,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:31,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571887815] [2021-03-25 18:05:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:31,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:31,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:31,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:31,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:31,491 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:31,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:31,501 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:05:31,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:05:31,514 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:05:31,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:05:31,532 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:31,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:31,554 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:05:31,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:05:31,602 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:05:31,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:05:31,651 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:05:31,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:05:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:31,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571887815] [2021-03-25 18:05:31,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:31,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:05:31,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861606024] [2021-03-25 18:05:31,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:05:31,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:31,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:05:31,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:05:31,682 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:05:31,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 734 transitions, 24793 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:31,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:31,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:05:31,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:43,677 INFO L129 PetriNetUnfolder]: 3997/27776 cut-off events. [2021-03-25 18:05:43,677 INFO L130 PetriNetUnfolder]: For 1201483/1212061 co-relation queries the response was YES. [2021-03-25 18:05:44,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209620 conditions, 27776 events. 3997/27776 cut-off events. For 1201483/1212061 co-relation queries the response was YES. Maximal size of possible extension queue 3514. Compared 513570 event pairs, 2334 based on Foata normal form. 55/26759 useless extension candidates. Maximal degree in co-relation 209480. Up to 5075 conditions per place. [2021-03-25 18:05:44,143 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 264 selfloop transitions, 546 changer transitions 2/828 dead transitions. [2021-03-25 18:05:44,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 828 transitions, 29083 flow [2021-03-25 18:05:44,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:05:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:05:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:05:44,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:05:44,145 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:05:44,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:05:44,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:44,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:05:44,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:44,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:44,147 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:44,147 INFO L185 Difference]: Start difference. First operand has 315 places, 734 transitions, 24793 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:05:44,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 828 transitions, 29083 flow [2021-03-25 18:05:54,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 828 transitions, 28208 flow, removed 109 selfloop flow, removed 4 redundant places. [2021-03-25 18:05:54,633 INFO L241 Difference]: Finished difference. Result has 326 places, 756 transitions, 26138 flow [2021-03-25 18:05:54,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=23996, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=524, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=26138, PETRI_PLACES=326, PETRI_TRANSITIONS=756} [2021-03-25 18:05:54,634 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 276 predicate places. [2021-03-25 18:05:54,634 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:54,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 326 places, 756 transitions, 26138 flow [2021-03-25 18:05:54,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 326 places, 756 transitions, 26138 flow [2021-03-25 18:05:54,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 756 transitions, 26138 flow [2021-03-25 18:05:59,215 INFO L129 PetriNetUnfolder]: 0/17181 cut-off events. [2021-03-25 18:05:59,216 INFO L130 PetriNetUnfolder]: For 583923/597878 co-relation queries the response was YES. [2021-03-25 18:05:59,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89882 conditions, 17181 events. 0/17181 cut-off events. For 583923/597878 co-relation queries the response was YES. Maximal size of possible extension queue 2270. Compared 350615 event pairs, 0 based on Foata normal form. 291/16467 useless extension candidates. Maximal degree in co-relation 0. Up to 1830 conditions per place. [2021-03-25 18:05:59,389 INFO L142 LiptonReduction]: Number of co-enabled transitions 5752 [2021-03-25 18:05:59,466 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:59,466 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:59,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4832 [2021-03-25 18:05:59,467 INFO L480 AbstractCegarLoop]: Abstraction has has 325 places, 756 transitions, 26138 flow [2021-03-25 18:05:59,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:59,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:59,467 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:59,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-25 18:05:59,467 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:59,468 INFO L82 PathProgramCache]: Analyzing trace with hash -362432279, now seen corresponding path program 23 times [2021-03-25 18:05:59,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:59,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179412732] [2021-03-25 18:05:59,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:59,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:59,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:59,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:59,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:59,492 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:59,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:59,501 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:05:59,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:05:59,513 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:05:59,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:05:59,529 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:59,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:59,556 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-25 18:05:59,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:05:59,583 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:05:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:05:59,613 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:05:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:05:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:59,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179412732] [2021-03-25 18:05:59,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:59,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:05:59,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806188145] [2021-03-25 18:05:59,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:05:59,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:59,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:05:59,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:05:59,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:05:59,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 756 transitions, 26138 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:59,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:59,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:05:59,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:12,055 INFO L129 PetriNetUnfolder]: 3991/27841 cut-off events. [2021-03-25 18:06:12,055 INFO L130 PetriNetUnfolder]: For 1216017/1226777 co-relation queries the response was YES. [2021-03-25 18:06:12,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210875 conditions, 27841 events. 3991/27841 cut-off events. For 1216017/1226777 co-relation queries the response was YES. Maximal size of possible extension queue 3522. Compared 515320 event pairs, 2312 based on Foata normal form. 60/26813 useless extension candidates. Maximal degree in co-relation 210730. Up to 5075 conditions per place. [2021-03-25 18:06:12,547 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 234 selfloop transitions, 575 changer transitions 1/826 dead transitions. [2021-03-25 18:06:12,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 826 transitions, 29776 flow [2021-03-25 18:06:12,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:06:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:06:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:06:12,548 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:06:12,548 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:06:12,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:06:12,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:12,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:06:12,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:12,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:12,550 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:12,550 INFO L185 Difference]: Start difference. First operand has 325 places, 756 transitions, 26138 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:06:12,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 826 transitions, 29776 flow [2021-03-25 18:06:23,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 826 transitions, 28701 flow, removed 140 selfloop flow, removed 5 redundant places. [2021-03-25 18:06:23,564 INFO L241 Difference]: Finished difference. Result has 335 places, 781 transitions, 27549 flow [2021-03-25 18:06:23,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=25163, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=550, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=27549, PETRI_PLACES=335, PETRI_TRANSITIONS=781} [2021-03-25 18:06:23,565 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 285 predicate places. [2021-03-25 18:06:23,565 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:23,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 781 transitions, 27549 flow [2021-03-25 18:06:23,565 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 781 transitions, 27549 flow [2021-03-25 18:06:23,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 334 places, 781 transitions, 27549 flow [2021-03-25 18:06:28,141 INFO L129 PetriNetUnfolder]: 0/17229 cut-off events. [2021-03-25 18:06:28,142 INFO L130 PetriNetUnfolder]: For 584596/600436 co-relation queries the response was YES. [2021-03-25 18:06:28,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90241 conditions, 17229 events. 0/17229 cut-off events. For 584596/600436 co-relation queries the response was YES. Maximal size of possible extension queue 2213. Compared 351324 event pairs, 0 based on Foata normal form. 288/16381 useless extension candidates. Maximal degree in co-relation 0. Up to 1836 conditions per place. [2021-03-25 18:06:28,319 INFO L142 LiptonReduction]: Number of co-enabled transitions 6006 [2021-03-25 18:06:28,408 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:28,409 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:28,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4844 [2021-03-25 18:06:28,409 INFO L480 AbstractCegarLoop]: Abstraction has has 334 places, 781 transitions, 27549 flow [2021-03-25 18:06:28,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:28,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:28,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:28,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-25 18:06:28,410 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:28,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:28,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1730551183, now seen corresponding path program 24 times [2021-03-25 18:06:28,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:28,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544591606] [2021-03-25 18:06:28,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:28,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:28,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:28,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:28,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:28,433 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:06:28,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:06:28,442 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:06:28,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:06:28,454 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:28,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:28,472 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-25 18:06:28,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 18:06:28,509 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:06:28,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:06:28,559 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:06:28,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:06:28,863 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-03-25 18:06:28,866 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:06:28,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:06:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:28,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544591606] [2021-03-25 18:06:28,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:28,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:06:28,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123366479] [2021-03-25 18:06:28,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:06:28,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:28,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:06:28,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:06:28,900 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:06:28,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 781 transitions, 27549 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:28,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:28,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:06:28,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:41,569 INFO L129 PetriNetUnfolder]: 3966/28053 cut-off events. [2021-03-25 18:06:41,569 INFO L130 PetriNetUnfolder]: For 1210800/1221560 co-relation queries the response was YES. [2021-03-25 18:06:41,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211793 conditions, 28053 events. 3966/28053 cut-off events. For 1210800/1221560 co-relation queries the response was YES. Maximal size of possible extension queue 3560. Compared 521213 event pairs, 2351 based on Foata normal form. 57/27005 useless extension candidates. Maximal degree in co-relation 211644. Up to 5075 conditions per place. [2021-03-25 18:06:42,052 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 279 selfloop transitions, 546 changer transitions 1/842 dead transitions. [2021-03-25 18:06:42,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 842 transitions, 30893 flow [2021-03-25 18:06:42,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:06:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:06:42,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:06:42,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:06:42,054 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:06:42,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:06:42,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:42,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:06:42,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:42,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:42,056 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:42,056 INFO L185 Difference]: Start difference. First operand has 334 places, 781 transitions, 27549 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:06:42,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 842 transitions, 30893 flow [2021-03-25 18:06:53,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 842 transitions, 29929 flow, removed 85 selfloop flow, removed 4 redundant places. [2021-03-25 18:06:53,996 INFO L241 Difference]: Finished difference. Result has 344 places, 796 transitions, 28339 flow [2021-03-25 18:06:53,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=26625, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=781, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=531, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=28339, PETRI_PLACES=344, PETRI_TRANSITIONS=796} [2021-03-25 18:06:53,997 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 294 predicate places. [2021-03-25 18:06:53,997 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:53,998 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 344 places, 796 transitions, 28339 flow [2021-03-25 18:06:53,998 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 344 places, 796 transitions, 28339 flow [2021-03-25 18:06:54,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 796 transitions, 28339 flow [2021-03-25 18:06:58,966 INFO L129 PetriNetUnfolder]: 0/17516 cut-off events. [2021-03-25 18:06:58,967 INFO L130 PetriNetUnfolder]: For 623572/640288 co-relation queries the response was YES. [2021-03-25 18:06:58,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93579 conditions, 17516 events. 0/17516 cut-off events. For 623572/640288 co-relation queries the response was YES. Maximal size of possible extension queue 2261. Compared 357980 event pairs, 0 based on Foata normal form. 298/16626 useless extension candidates. Maximal degree in co-relation 0. Up to 1871 conditions per place. [2021-03-25 18:06:59,132 INFO L142 LiptonReduction]: Number of co-enabled transitions 6150 [2021-03-25 18:06:59,218 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:59,218 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:59,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5221 [2021-03-25 18:06:59,219 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 796 transitions, 28339 flow [2021-03-25 18:06:59,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:59,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:59,219 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:59,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-25 18:06:59,219 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:59,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:59,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1421970767, now seen corresponding path program 25 times [2021-03-25 18:06:59,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:59,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552069439] [2021-03-25 18:06:59,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:59,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:59,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:59,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:59,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:59,244 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:06:59,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:06:59,253 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:06:59,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:06:59,266 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:59,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:59,283 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:06:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:06:59,306 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-25 18:06:59,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 18:06:59,337 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:06:59,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:06:59,376 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:06:59,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:06:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:59,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552069439] [2021-03-25 18:06:59,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:59,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:06:59,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386662304] [2021-03-25 18:06:59,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:06:59,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:59,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:06:59,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:06:59,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:06:59,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 796 transitions, 28339 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:59,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:59,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:06:59,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:12,140 INFO L129 PetriNetUnfolder]: 3965/26556 cut-off events. [2021-03-25 18:07:12,140 INFO L130 PetriNetUnfolder]: For 1261554/1272161 co-relation queries the response was YES. [2021-03-25 18:07:12,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212621 conditions, 26556 events. 3965/26556 cut-off events. For 1261554/1272161 co-relation queries the response was YES. Maximal size of possible extension queue 3396. Compared 484142 event pairs, 2849 based on Foata normal form. 57/25367 useless extension candidates. Maximal degree in co-relation 212468. Up to 5075 conditions per place. [2021-03-25 18:07:12,806 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 311 selfloop transitions, 549 changer transitions 1/877 dead transitions. [2021-03-25 18:07:12,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 877 transitions, 32483 flow [2021-03-25 18:07:12,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:07:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:07:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:07:12,807 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:07:12,807 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:07:12,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:07:12,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:12,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:07:12,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:12,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:12,810 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:12,810 INFO L185 Difference]: Start difference. First operand has 343 places, 796 transitions, 28339 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:07:12,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 877 transitions, 32483 flow [2021-03-25 18:07:24,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 877 transitions, 31335 flow, removed 60 selfloop flow, removed 5 redundant places. [2021-03-25 18:07:24,794 INFO L241 Difference]: Finished difference. Result has 353 places, 833 transitions, 30037 flow [2021-03-25 18:07:24,794 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=27241, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=512, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=30037, PETRI_PLACES=353, PETRI_TRANSITIONS=833} [2021-03-25 18:07:24,794 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 303 predicate places. [2021-03-25 18:07:24,794 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:24,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 353 places, 833 transitions, 30037 flow [2021-03-25 18:07:24,794 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 353 places, 833 transitions, 30037 flow [2021-03-25 18:07:24,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 352 places, 833 transitions, 30037 flow [2021-03-25 18:07:29,649 INFO L129 PetriNetUnfolder]: 0/17518 cut-off events. [2021-03-25 18:07:29,650 INFO L130 PetriNetUnfolder]: For 644571/661222 co-relation queries the response was YES. [2021-03-25 18:07:29,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94637 conditions, 17518 events. 0/17518 cut-off events. For 644571/661222 co-relation queries the response was YES. Maximal size of possible extension queue 2269. Compared 358009 event pairs, 0 based on Foata normal form. 261/16609 useless extension candidates. Maximal degree in co-relation 0. Up to 1872 conditions per place. [2021-03-25 18:07:29,817 INFO L142 LiptonReduction]: Number of co-enabled transitions 6494 [2021-03-25 18:07:29,912 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:29,912 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:29,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5118 [2021-03-25 18:07:29,912 INFO L480 AbstractCegarLoop]: Abstraction has has 352 places, 833 transitions, 30037 flow [2021-03-25 18:07:29,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:29,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:29,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:29,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-25 18:07:29,913 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:29,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:29,913 INFO L82 PathProgramCache]: Analyzing trace with hash 796277687, now seen corresponding path program 26 times [2021-03-25 18:07:29,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:29,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801807910] [2021-03-25 18:07:29,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:29,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:29,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:29,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:29,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:29,934 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:07:29,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:07:29,942 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:29,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:29,954 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:07:29,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:07:29,978 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:29,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:29,998 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-25 18:07:29,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 18:07:30,021 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:07:30,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:07:30,051 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:07:30,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:07:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:30,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801807910] [2021-03-25 18:07:30,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:30,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:07:30,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077136760] [2021-03-25 18:07:30,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:07:30,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:30,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:07:30,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:07:30,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:07:30,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 833 transitions, 30037 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:30,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:30,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:07:30,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:46,826 INFO L129 PetriNetUnfolder]: 3760/33349 cut-off events. [2021-03-25 18:07:46,826 INFO L130 PetriNetUnfolder]: For 1529539/1540150 co-relation queries the response was YES. [2021-03-25 18:07:47,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255500 conditions, 33349 events. 3760/33349 cut-off events. For 1529539/1540150 co-relation queries the response was YES. Maximal size of possible extension queue 4392. Compared 653873 event pairs, 2185 based on Foata normal form. 44/31950 useless extension candidates. Maximal degree in co-relation 255342. Up to 5712 conditions per place. [2021-03-25 18:07:47,579 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 709 selfloop transitions, 534 changer transitions 1/1260 dead transitions. [2021-03-25 18:07:47,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 1260 transitions, 47915 flow [2021-03-25 18:07:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:07:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:07:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:07:47,580 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:07:47,581 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:07:47,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:07:47,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:47,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:07:47,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:47,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:47,582 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:47,582 INFO L185 Difference]: Start difference. First operand has 352 places, 833 transitions, 30037 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:07:47,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 1260 transitions, 47915 flow [2021-03-25 18:08:04,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 1260 transitions, 46694 flow, removed 149 selfloop flow, removed 4 redundant places. [2021-03-25 18:08:04,565 INFO L241 Difference]: Finished difference. Result has 364 places, 1039 transitions, 39188 flow [2021-03-25 18:08:04,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=29111, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=833, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=39188, PETRI_PLACES=364, PETRI_TRANSITIONS=1039} [2021-03-25 18:08:04,566 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 314 predicate places. [2021-03-25 18:08:04,566 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:04,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 364 places, 1039 transitions, 39188 flow [2021-03-25 18:08:04,566 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 364 places, 1039 transitions, 39188 flow [2021-03-25 18:08:04,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 363 places, 1039 transitions, 39188 flow [2021-03-25 18:08:12,888 INFO L129 PetriNetUnfolder]: 0/25085 cut-off events. [2021-03-25 18:08:12,888 INFO L130 PetriNetUnfolder]: For 961147/981240 co-relation queries the response was YES. [2021-03-25 18:08:12,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140918 conditions, 25085 events. 0/25085 cut-off events. For 961147/981240 co-relation queries the response was YES. Maximal size of possible extension queue 3490. Compared 540415 event pairs, 0 based on Foata normal form. 300/23760 useless extension candidates. Maximal degree in co-relation 0. Up to 2656 conditions per place. [2021-03-25 18:08:13,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 7036 [2021-03-25 18:08:13,260 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:13,260 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:13,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8694 [2021-03-25 18:08:13,260 INFO L480 AbstractCegarLoop]: Abstraction has has 363 places, 1039 transitions, 39188 flow [2021-03-25 18:08:13,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:13,260 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:13,260 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:13,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-25 18:08:13,260 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:13,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:13,261 INFO L82 PathProgramCache]: Analyzing trace with hash 2033985517, now seen corresponding path program 27 times [2021-03-25 18:08:13,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:13,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187838434] [2021-03-25 18:08:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:13,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:13,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:13,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:13,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:13,293 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:08:13,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:08:13,301 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:08:13,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:08:13,314 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:08:13,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:08:13,335 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:08:13,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:08:13,358 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:08:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:08:13,403 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-25 18:08:13,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 18:08:13,437 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:08:13,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:08:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:13,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187838434] [2021-03-25 18:08:13,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:13,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:08:13,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875169823] [2021-03-25 18:08:13,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:08:13,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:13,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:08:13,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:08:13,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:08:13,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 1039 transitions, 39188 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:13,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:13,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:08:13,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:32,791 INFO L129 PetriNetUnfolder]: 3760/33861 cut-off events. [2021-03-25 18:08:32,791 INFO L130 PetriNetUnfolder]: For 1596220/1611186 co-relation queries the response was YES. [2021-03-25 18:08:33,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 260994 conditions, 33861 events. 3760/33861 cut-off events. For 1596220/1611186 co-relation queries the response was YES. Maximal size of possible extension queue 4426. Compared 667709 event pairs, 2742 based on Foata normal form. 77/32359 useless extension candidates. Maximal degree in co-relation 260830. Up to 6174 conditions per place. [2021-03-25 18:08:33,463 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 258 selfloop transitions, 816 changer transitions 2/1092 dead transitions. [2021-03-25 18:08:33,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 1092 transitions, 42806 flow [2021-03-25 18:08:33,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:08:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:08:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:08:33,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:08:33,465 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:08:33,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:08:33,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:33,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:08:33,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:33,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:33,467 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:33,467 INFO L185 Difference]: Start difference. First operand has 363 places, 1039 transitions, 39188 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:08:33,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 1092 transitions, 42806 flow [2021-03-25 18:08:52,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 1092 transitions, 42129 flow, removed 123 selfloop flow, removed 3 redundant places. [2021-03-25 18:08:52,171 INFO L241 Difference]: Finished difference. Result has 374 places, 1051 transitions, 40926 flow [2021-03-25 18:08:52,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=38549, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1039, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=804, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=40926, PETRI_PLACES=374, PETRI_TRANSITIONS=1051} [2021-03-25 18:08:52,172 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 324 predicate places. [2021-03-25 18:08:52,172 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:52,172 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 374 places, 1051 transitions, 40926 flow [2021-03-25 18:08:52,172 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 374 places, 1051 transitions, 40926 flow [2021-03-25 18:08:52,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 373 places, 1051 transitions, 40926 flow [2021-03-25 18:09:01,065 INFO L129 PetriNetUnfolder]: 0/25078 cut-off events. [2021-03-25 18:09:01,065 INFO L130 PetriNetUnfolder]: For 1003105/1024953 co-relation queries the response was YES. [2021-03-25 18:09:01,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143108 conditions, 25078 events. 0/25078 cut-off events. For 1003105/1024953 co-relation queries the response was YES. Maximal size of possible extension queue 3494. Compared 540438 event pairs, 0 based on Foata normal form. 327/23804 useless extension candidates. Maximal degree in co-relation 0. Up to 2655 conditions per place. [2021-03-25 18:09:01,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 7186 [2021-03-25 18:09:01,477 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:01,477 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:01,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9305 [2021-03-25 18:09:01,477 INFO L480 AbstractCegarLoop]: Abstraction has has 373 places, 1051 transitions, 40926 flow [2021-03-25 18:09:01,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:01,477 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:01,478 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:01,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-25 18:09:01,478 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:01,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:01,478 INFO L82 PathProgramCache]: Analyzing trace with hash 2026903529, now seen corresponding path program 28 times [2021-03-25 18:09:01,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:01,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508668428] [2021-03-25 18:09:01,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:01,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:01,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:01,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:01,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:01,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:09:01,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:09:01,507 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:09:01,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:09:01,519 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:09:01,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:09:01,536 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-25 18:09:01,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 18:09:01,573 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-25 18:09:01,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 18:09:01,621 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:09:01,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:09:01,658 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:09:01,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:09:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:01,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508668428] [2021-03-25 18:09:01,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:01,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:09:01,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82884934] [2021-03-25 18:09:01,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:09:01,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:01,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:09:01,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:09:01,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:09:01,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 1051 transitions, 40926 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:01,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:01,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:09:01,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:22,253 INFO L129 PetriNetUnfolder]: 3755/33840 cut-off events. [2021-03-25 18:09:22,254 INFO L130 PetriNetUnfolder]: For 1620582/1635554 co-relation queries the response was YES. [2021-03-25 18:09:22,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 263386 conditions, 33840 events. 3755/33840 cut-off events. For 1620582/1635554 co-relation queries the response was YES. Maximal size of possible extension queue 4419. Compared 667423 event pairs, 2826 based on Foata normal form. 69/32360 useless extension candidates. Maximal degree in co-relation 263218. Up to 6174 conditions per place. [2021-03-25 18:09:22,747 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 410 selfloop transitions, 686 changer transitions 1/1113 dead transitions. [2021-03-25 18:09:22,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 1113 transitions, 45051 flow [2021-03-25 18:09:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:09:22,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:09:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:09:22,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:09:22,748 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:09:22,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:09:22,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:22,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:09:22,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:22,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:22,750 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:22,750 INFO L185 Difference]: Start difference. First operand has 373 places, 1051 transitions, 40926 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:09:22,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 1113 transitions, 45051 flow [2021-03-25 18:09:43,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 1113 transitions, 43470 flow, removed 92 selfloop flow, removed 6 redundant places. [2021-03-25 18:09:43,572 INFO L241 Difference]: Finished difference. Result has 381 places, 1067 transitions, 41462 flow [2021-03-25 18:09:43,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=39422, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=670, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=41462, PETRI_PLACES=381, PETRI_TRANSITIONS=1067} [2021-03-25 18:09:43,572 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 331 predicate places. [2021-03-25 18:09:43,573 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:43,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 381 places, 1067 transitions, 41462 flow [2021-03-25 18:09:43,573 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 381 places, 1067 transitions, 41462 flow [2021-03-25 18:09:43,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 1067 transitions, 41462 flow [2021-03-25 18:09:52,402 INFO L129 PetriNetUnfolder]: 0/25100 cut-off events. [2021-03-25 18:09:52,402 INFO L130 PetriNetUnfolder]: For 1000758/1021530 co-relation queries the response was YES. [2021-03-25 18:09:52,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143253 conditions, 25100 events. 0/25100 cut-off events. For 1000758/1021530 co-relation queries the response was YES. Maximal size of possible extension queue 3497. Compared 540563 event pairs, 0 based on Foata normal form. 319/23800 useless extension candidates. Maximal degree in co-relation 0. Up to 2659 conditions per place. [2021-03-25 18:09:52,656 INFO L142 LiptonReduction]: Number of co-enabled transitions 7382 [2021-03-25 18:09:52,833 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:52,833 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:52,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9260 [2021-03-25 18:09:52,833 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 1067 transitions, 41462 flow [2021-03-25 18:09:52,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:52,834 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:52,834 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:52,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-25 18:09:52,834 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:52,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:52,834 INFO L82 PathProgramCache]: Analyzing trace with hash 321088207, now seen corresponding path program 29 times [2021-03-25 18:09:52,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:52,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329580645] [2021-03-25 18:09:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:52,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:52,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:52,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:52,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:52,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:09:52,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:09:52,874 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:09:52,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:09:52,888 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:09:52,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:09:52,907 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:09:52,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:09:52,931 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:09:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:09:52,963 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:09:52,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:09:53,006 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:09:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:09:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:53,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329580645] [2021-03-25 18:09:53,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:53,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:09:53,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648500364] [2021-03-25 18:09:53,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:09:53,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:53,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:09:53,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:09:53,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:09:53,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 1067 transitions, 41462 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:53,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:53,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:09:53,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:15,458 INFO L129 PetriNetUnfolder]: 3705/34128 cut-off events. [2021-03-25 18:10:15,458 INFO L130 PetriNetUnfolder]: For 1623367/1638339 co-relation queries the response was YES. [2021-03-25 18:10:15,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264932 conditions, 34128 events. 3705/34128 cut-off events. For 1623367/1638339 co-relation queries the response was YES. Maximal size of possible extension queue 4469. Compared 675959 event pairs, 2678 based on Foata normal form. 69/32605 useless extension candidates. Maximal degree in co-relation 264761. Up to 6174 conditions per place. [2021-03-25 18:10:16,011 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 492 selfloop transitions, 683 changer transitions 2/1193 dead transitions. [2021-03-25 18:10:16,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 1193 transitions, 48336 flow [2021-03-25 18:10:16,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:10:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:10:16,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:10:16,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:10:16,013 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:10:16,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:10:16,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:16,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:10:16,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:16,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:16,014 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:16,014 INFO L185 Difference]: Start difference. First operand has 380 places, 1067 transitions, 41462 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:10:16,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 1193 transitions, 48336 flow [2021-03-25 18:10:35,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 1193 transitions, 46914 flow, removed 70 selfloop flow, removed 5 redundant places. [2021-03-25 18:10:35,700 INFO L241 Difference]: Finished difference. Result has 389 places, 1104 transitions, 43212 flow [2021-03-25 18:10:35,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=40124, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=646, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=43212, PETRI_PLACES=389, PETRI_TRANSITIONS=1104} [2021-03-25 18:10:35,701 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 339 predicate places. [2021-03-25 18:10:35,701 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:35,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 389 places, 1104 transitions, 43212 flow [2021-03-25 18:10:35,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 389 places, 1104 transitions, 43212 flow [2021-03-25 18:10:35,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 388 places, 1104 transitions, 43212 flow [2021-03-25 18:10:44,874 INFO L129 PetriNetUnfolder]: 0/25597 cut-off events. [2021-03-25 18:10:44,874 INFO L130 PetriNetUnfolder]: For 1057919/1082488 co-relation queries the response was YES. [2021-03-25 18:10:44,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148076 conditions, 25597 events. 0/25597 cut-off events. For 1057919/1082488 co-relation queries the response was YES. Maximal size of possible extension queue 3587. Compared 553291 event pairs, 0 based on Foata normal form. 339/24294 useless extension candidates. Maximal degree in co-relation 0. Up to 2721 conditions per place. [2021-03-25 18:10:45,130 INFO L142 LiptonReduction]: Number of co-enabled transitions 7664 [2021-03-25 18:10:45,293 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:45,293 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:45,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9593 [2021-03-25 18:10:45,294 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 1104 transitions, 43212 flow [2021-03-25 18:10:45,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:45,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:45,294 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:45,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-25 18:10:45,294 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:45,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:45,295 INFO L82 PathProgramCache]: Analyzing trace with hash 198675545, now seen corresponding path program 30 times [2021-03-25 18:10:45,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:45,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409343572] [2021-03-25 18:10:45,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:45,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:45,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:45,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:45,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:45,316 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:10:45,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:10:45,324 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:10:45,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:10:45,336 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:10:45,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:10:45,352 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:10:45,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:10:45,372 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:10:45,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:10:45,396 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:10:45,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:10:45,425 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:10:45,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:10:45,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:45,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409343572] [2021-03-25 18:10:45,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:45,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:10:45,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984031062] [2021-03-25 18:10:45,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:10:45,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:45,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:10:45,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:10:45,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:10:45,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 1104 transitions, 43212 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:45,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:45,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:10:45,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:06,662 INFO L129 PetriNetUnfolder]: 3685/34247 cut-off events. [2021-03-25 18:11:06,662 INFO L130 PetriNetUnfolder]: For 1649532/1664372 co-relation queries the response was YES. [2021-03-25 18:11:07,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266860 conditions, 34247 events. 3685/34247 cut-off events. For 1649532/1664372 co-relation queries the response was YES. Maximal size of possible extension queue 4492. Compared 679147 event pairs, 2813 based on Foata normal form. 69/32744 useless extension candidates. Maximal degree in co-relation 266685. Up to 6174 conditions per place. [2021-03-25 18:11:07,305 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 456 selfloop transitions, 697 changer transitions 1/1170 dead transitions. [2021-03-25 18:11:07,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1170 transitions, 47542 flow [2021-03-25 18:11:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:11:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:11:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:11:07,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:11:07,306 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:11:07,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:11:07,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:07,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:11:07,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:07,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:07,308 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:07,308 INFO L185 Difference]: Start difference. First operand has 388 places, 1104 transitions, 43212 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:11:07,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1170 transitions, 47542 flow [2021-03-25 18:11:28,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 1170 transitions, 46116 flow, removed 72 selfloop flow, removed 5 redundant places. [2021-03-25 18:11:28,396 INFO L241 Difference]: Finished difference. Result has 397 places, 1129 transitions, 44332 flow [2021-03-25 18:11:28,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=41842, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=672, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=44332, PETRI_PLACES=397, PETRI_TRANSITIONS=1129} [2021-03-25 18:11:28,397 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 347 predicate places. [2021-03-25 18:11:28,397 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:28,397 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 1129 transitions, 44332 flow [2021-03-25 18:11:28,397 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 1129 transitions, 44332 flow [2021-03-25 18:11:28,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 1129 transitions, 44332 flow [2021-03-25 18:11:37,356 INFO L129 PetriNetUnfolder]: 0/25765 cut-off events. [2021-03-25 18:11:37,356 INFO L130 PetriNetUnfolder]: For 1081869/1103308 co-relation queries the response was YES. [2021-03-25 18:11:37,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150411 conditions, 25765 events. 0/25765 cut-off events. For 1081869/1103308 co-relation queries the response was YES. Maximal size of possible extension queue 3626. Compared 557655 event pairs, 0 based on Foata normal form. 317/24416 useless extension candidates. Maximal degree in co-relation 0. Up to 2741 conditions per place. [2021-03-25 18:11:37,900 INFO L142 LiptonReduction]: Number of co-enabled transitions 7832 [2021-03-25 18:11:38,087 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:38,088 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:38,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9691 [2021-03-25 18:11:38,088 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 1129 transitions, 44332 flow [2021-03-25 18:11:38,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:38,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:38,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:38,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-25 18:11:38,089 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:38,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:38,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1102015703, now seen corresponding path program 31 times [2021-03-25 18:11:38,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:38,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428830123] [2021-03-25 18:11:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:38,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:38,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:38,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:38,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:38,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:38,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:38,116 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:11:38,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:11:38,129 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:11:38,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:11:38,147 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:11:38,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:11:38,172 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:11:38,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:11:38,199 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:11:38,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:11:38,229 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:11:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:11:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:38,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428830123] [2021-03-25 18:11:38,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:38,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:11:38,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624454865] [2021-03-25 18:11:38,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:11:38,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:38,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:11:38,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:11:38,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:11:38,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 1129 transitions, 44332 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:38,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:38,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:11:38,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:03,003 INFO L129 PetriNetUnfolder]: 4141/39390 cut-off events. [2021-03-25 18:12:03,003 INFO L130 PetriNetUnfolder]: For 1978921/1993761 co-relation queries the response was YES. [2021-03-25 18:12:03,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 314448 conditions, 39390 events. 4141/39390 cut-off events. For 1978921/1993761 co-relation queries the response was YES. Maximal size of possible extension queue 5212. Compared 793996 event pairs, 1512 based on Foata normal form. 1/37924 useless extension candidates. Maximal degree in co-relation 314269. Up to 11044 conditions per place. [2021-03-25 18:12:03,880 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 1402 selfloop transitions, 553 changer transitions 7/1978 dead transitions. [2021-03-25 18:12:03,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 1978 transitions, 81363 flow [2021-03-25 18:12:03,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:12:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:12:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:12:03,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:12:03,882 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:12:03,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:12:03,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:03,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:12:03,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:03,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:03,884 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:03,884 INFO L185 Difference]: Start difference. First operand has 396 places, 1129 transitions, 44332 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:12:03,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 1978 transitions, 81363 flow [2021-03-25 18:12:33,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 1978 transitions, 79608 flow, removed 38 selfloop flow, removed 4 redundant places. [2021-03-25 18:12:33,099 INFO L241 Difference]: Finished difference. Result has 409 places, 1481 transitions, 60396 flow [2021-03-25 18:12:33,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=43345, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=576, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=60396, PETRI_PLACES=409, PETRI_TRANSITIONS=1481} [2021-03-25 18:12:33,100 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 359 predicate places. [2021-03-25 18:12:33,100 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:33,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 409 places, 1481 transitions, 60396 flow [2021-03-25 18:12:33,101 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 409 places, 1481 transitions, 60396 flow [2021-03-25 18:12:33,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 408 places, 1481 transitions, 60396 flow [2021-03-25 18:12:44,987 INFO L129 PetriNetUnfolder]: 0/30714 cut-off events. [2021-03-25 18:12:44,987 INFO L130 PetriNetUnfolder]: For 1324602/1342494 co-relation queries the response was YES. [2021-03-25 18:12:44,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182760 conditions, 30714 events. 0/30714 cut-off events. For 1324602/1342494 co-relation queries the response was YES. Maximal size of possible extension queue 4332. Compared 679935 event pairs, 0 based on Foata normal form. 380/29253 useless extension candidates. Maximal degree in co-relation 0. Up to 3253 conditions per place. [2021-03-25 18:12:45,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 8994 [2021-03-25 18:12:45,936 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:45,936 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:45,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12836 [2021-03-25 18:12:45,936 INFO L480 AbstractCegarLoop]: Abstraction has has 408 places, 1481 transitions, 60396 flow [2021-03-25 18:12:45,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:45,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:45,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:45,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-25 18:12:45,937 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:45,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:45,937 INFO L82 PathProgramCache]: Analyzing trace with hash 289903549, now seen corresponding path program 32 times [2021-03-25 18:12:45,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:45,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107067604] [2021-03-25 18:12:45,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:45,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:45,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:45,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:45,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:45,968 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:12:45,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:12:45,976 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:12:45,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:12:45,987 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:12:45,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:12:46,001 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:12:46,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:12:46,020 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-25 18:12:46,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 18:12:46,043 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:12:46,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:12:46,086 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:12:46,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:12:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:46,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107067604] [2021-03-25 18:12:46,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:46,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:12:46,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619837795] [2021-03-25 18:12:46,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:12:46,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:46,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:12:46,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:12:46,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:12:46,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 1481 transitions, 60396 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:46,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:46,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:12:46,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:18,193 INFO L129 PetriNetUnfolder]: 4139/40272 cut-off events. [2021-03-25 18:13:18,193 INFO L130 PetriNetUnfolder]: For 2063373/2083300 co-relation queries the response was YES. [2021-03-25 18:13:19,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319928 conditions, 40272 events. 4139/40272 cut-off events. For 2063373/2083300 co-relation queries the response was YES. Maximal size of possible extension queue 5282. Compared 818521 event pairs, 3244 based on Foata normal form. 77/38544 useless extension candidates. Maximal degree in co-relation 319742. Up to 7347 conditions per place. [2021-03-25 18:13:19,841 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 336 selfloop transitions, 1174 changer transitions 1/1527 dead transitions. [2021-03-25 18:13:19,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 1527 transitions, 64733 flow [2021-03-25 18:13:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:13:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 18:13:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-03-25 18:13:19,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-03-25 18:13:19,843 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-03-25 18:13:19,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-03-25 18:13:19,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:19,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-03-25 18:13:19,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:19,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:19,858 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:19,858 INFO L185 Difference]: Start difference. First operand has 408 places, 1481 transitions, 60396 flow. Second operand 10 states and 934 transitions. [2021-03-25 18:13:19,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 1527 transitions, 64733 flow [2021-03-25 18:13:50,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 1527 transitions, 63838 flow, removed 430 selfloop flow, removed 2 redundant places. [2021-03-25 18:13:50,260 INFO L241 Difference]: Finished difference. Result has 419 places, 1494 transitions, 62405 flow [2021-03-25 18:13:50,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=59558, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=62405, PETRI_PLACES=419, PETRI_TRANSITIONS=1494} [2021-03-25 18:13:50,261 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 369 predicate places. [2021-03-25 18:13:50,261 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:50,261 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 419 places, 1494 transitions, 62405 flow [2021-03-25 18:13:50,261 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 419 places, 1494 transitions, 62405 flow [2021-03-25 18:13:50,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 1494 transitions, 62405 flow [2021-03-25 18:14:02,649 INFO L129 PetriNetUnfolder]: 0/30721 cut-off events. [2021-03-25 18:14:02,649 INFO L130 PetriNetUnfolder]: For 1363794/1381568 co-relation queries the response was YES. [2021-03-25 18:14:02,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184894 conditions, 30721 events. 0/30721 cut-off events. For 1363794/1381568 co-relation queries the response was YES. Maximal size of possible extension queue 4330. Compared 679657 event pairs, 0 based on Foata normal form. 414/29305 useless extension candidates. Maximal degree in co-relation 0. Up to 3254 conditions per place. [2021-03-25 18:14:02,991 INFO L142 LiptonReduction]: Number of co-enabled transitions 9166 [2021-03-25 18:14:03,532 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:14:03,532 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:14:03,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13271 [2021-03-25 18:14:03,533 INFO L480 AbstractCegarLoop]: Abstraction has has 418 places, 1494 transitions, 62405 flow [2021-03-25 18:14:03,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:03,533 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:14:03,533 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:14:03,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-25 18:14:03,533 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:14:03,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:14:03,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1230854821, now seen corresponding path program 33 times [2021-03-25 18:14:03,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:14:03,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501587801] [2021-03-25 18:14:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:14:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:14:03,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:03,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:14:03,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:03,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:14:03,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:14:03,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:14:03,563 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:14:03,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:14:03,576 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:14:03,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:14:03,593 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-25 18:14:03,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 18:14:03,625 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-25 18:14:03,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 18:14:03,676 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-25 18:14:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 18:14:03,708 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-03-25 18:14:03,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 18:14:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:14:03,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501587801] [2021-03-25 18:14:03,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:14:03,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 18:14:03,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954929870] [2021-03-25 18:14:03,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 18:14:03,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:14:03,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 18:14:03,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-03-25 18:14:03,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-03-25 18:14:03,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 1494 transitions, 62405 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:03,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:14:03,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-03-25 18:14:03,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-25 18:14:24,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 18:14:24,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-25 18:14:24,341 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-25 18:14:24,343 WARN L224 ceAbstractionStarter]: Timeout [2021-03-25 18:14:24,343 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 06:14:24 BasicIcfg [2021-03-25 18:14:24,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 18:14:24,344 INFO L168 Benchmark]: Toolchain (without parser) took 774724.21 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.6 GB). Free memory was 236.8 MB in the beginning and 11.7 GB in the end (delta: -11.4 GB). Peak memory consumption was 4.2 GB. Max. memory is 16.0 GB. [2021-03-25 18:14:24,344 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 168.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 18:14:24,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.77 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 18:14:24,344 INFO L168 Benchmark]: Boogie Preprocessor took 11.85 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.3 MB in the end (delta: 960.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 18:14:24,344 INFO L168 Benchmark]: RCFGBuilder took 285.18 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 238.8 MB in the end (delta: -4.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-25 18:14:24,344 INFO L168 Benchmark]: TraceAbstraction took 774396.71 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.6 GB). Free memory was 238.8 MB in the beginning and 11.7 GB in the end (delta: -11.4 GB). Peak memory consumption was 4.2 GB. Max. memory is 16.0 GB. [2021-03-25 18:14:24,345 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 168.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.77 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.85 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.3 MB in the end (delta: 960.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 285.18 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 238.8 MB in the end (delta: -4.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 774396.71 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.6 GB). Free memory was 238.8 MB in the beginning and 11.7 GB in the end (delta: -11.4 GB). Peak memory consumption was 4.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 209.6ms, 58 PlacesBefore, 50 PlacesAfterwards, 89 TransitionsBefore, 81 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 532 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 532, positive: 532, positive conditional: 0, positive unconditional: 532, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 532, positive: 532, positive conditional: 0, positive unconditional: 532, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 532, positive: 532, positive conditional: 0, positive unconditional: 532, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 532, positive: 532, positive conditional: 0, positive unconditional: 532, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 532, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 532, unknown conditional: 0, unknown unconditional: 532] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.7ms, 36 PlacesBefore, 36 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 840 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.3ms, 37 PlacesBefore, 37 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.5ms, 38 PlacesBefore, 38 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.2ms, 39 PlacesBefore, 39 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8ms, 40 PlacesBefore, 40 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7ms, 41 PlacesBefore, 41 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.3ms, 57 PlacesBefore, 57 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.1ms, 73 PlacesBefore, 73 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.3ms, 89 PlacesBefore, 89 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 1016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 170.4ms, 105 PlacesBefore, 105 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 1324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 382.6ms, 121 PlacesBefore, 121 PlacesAfterwards, 124 TransitionsBefore, 124 TransitionsAfterwards, 1890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.1ms, 122 PlacesBefore, 117 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.1ms, 128 PlacesBefore, 127 PlacesAfterwards, 125 TransitionsBefore, 125 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 610.3ms, 142 PlacesBefore, 141 PlacesAfterwards, 169 TransitionsBefore, 169 TransitionsAfterwards, 1274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 969.4ms, 156 PlacesBefore, 155 PlacesAfterwards, 211 TransitionsBefore, 211 TransitionsAfterwards, 1476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 954.0ms, 169 PlacesBefore, 168 PlacesAfterwards, 252 TransitionsBefore, 252 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1688.3ms, 183 PlacesBefore, 182 PlacesAfterwards, 286 TransitionsBefore, 286 TransitionsAfterwards, 1940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2110.5ms, 196 PlacesBefore, 195 PlacesAfterwards, 339 TransitionsBefore, 339 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2800.5ms, 210 PlacesBefore, 209 PlacesAfterwards, 375 TransitionsBefore, 375 TransitionsAfterwards, 2634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3874.2ms, 223 PlacesBefore, 222 PlacesAfterwards, 436 TransitionsBefore, 436 TransitionsAfterwards, 3078 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4437.6ms, 237 PlacesBefore, 236 PlacesAfterwards, 469 TransitionsBefore, 469 TransitionsAfterwards, 3334 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4634.4ms, 250 PlacesBefore, 249 PlacesAfterwards, 508 TransitionsBefore, 508 TransitionsAfterwards, 3718 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5130.0ms, 263 PlacesBefore, 262 PlacesAfterwards, 556 TransitionsBefore, 556 TransitionsAfterwards, 4060 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4711.4ms, 274 PlacesBefore, 273 PlacesAfterwards, 583 TransitionsBefore, 583 TransitionsAfterwards, 4360 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4989.2ms, 286 PlacesBefore, 285 PlacesAfterwards, 636 TransitionsBefore, 636 TransitionsAfterwards, 4742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4525.2ms, 296 PlacesBefore, 295 PlacesAfterwards, 672 TransitionsBefore, 672 TransitionsAfterwards, 5040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4716.1ms, 306 PlacesBefore, 305 PlacesAfterwards, 692 TransitionsBefore, 692 TransitionsAfterwards, 5260 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5052.0ms, 316 PlacesBefore, 315 PlacesAfterwards, 734 TransitionsBefore, 734 TransitionsAfterwards, 5542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4832.1ms, 326 PlacesBefore, 325 PlacesAfterwards, 756 TransitionsBefore, 756 TransitionsAfterwards, 5752 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4843.3ms, 335 PlacesBefore, 334 PlacesAfterwards, 781 TransitionsBefore, 781 TransitionsAfterwards, 6006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5220.6ms, 344 PlacesBefore, 343 PlacesAfterwards, 796 TransitionsBefore, 796 TransitionsAfterwards, 6150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5117.4ms, 353 PlacesBefore, 352 PlacesAfterwards, 833 TransitionsBefore, 833 TransitionsAfterwards, 6494 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8693.7ms, 364 PlacesBefore, 363 PlacesAfterwards, 1039 TransitionsBefore, 1039 TransitionsAfterwards, 7036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9304.8ms, 374 PlacesBefore, 373 PlacesAfterwards, 1051 TransitionsBefore, 1051 TransitionsAfterwards, 7186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9260.1ms, 381 PlacesBefore, 380 PlacesAfterwards, 1067 TransitionsBefore, 1067 TransitionsAfterwards, 7382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9592.6ms, 389 PlacesBefore, 388 PlacesAfterwards, 1104 TransitionsBefore, 1104 TransitionsAfterwards, 7664 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9690.6ms, 397 PlacesBefore, 396 PlacesAfterwards, 1129 TransitionsBefore, 1129 TransitionsAfterwards, 7832 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12835.0ms, 409 PlacesBefore, 408 PlacesAfterwards, 1481 TransitionsBefore, 1481 TransitionsAfterwards, 8994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13271.3ms, 419 PlacesBefore, 418 PlacesAfterwards, 1494 TransitionsBefore, 1494 TransitionsAfterwards, 9166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 29]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 29). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (10states, 89/107 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 280876 conditions, 16696 events (4139/16695 cut-off events. For 2062804/2079867 co-relation queries the response was YES. Maximal size of possible extension queue 5273. Compared 300694 event pairs, 3370 based on Foata normal form. 68/19179 useless extension candidates. Maximal degree in co-relation 280692. Up to 5877 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 80.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 774171.7ms, OverallIterations: 40, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 620165.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 483.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1099 SDtfs, 1270 SDslu, 1021 SDs, 0 SdLazy, 1931 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1785.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 351 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 7256.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=62405occurred in iteration=39, InterpolantAutomatonStates: 341, 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: 30.5ms SsaConstructionTime, 93.3ms SatisfiabilityAnalysisTime, 7658.5ms InterpolantComputationTime, 1000 NumberOfCodeBlocks, 1000 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 960 ConstructedInterpolants, 0 QuantifiedInterpolants, 26731 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 40 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown