/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 05:29:21,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 05:29:21,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 05:29:21,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 05:29:21,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 05:29:21,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 05:29:21,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 05:29:21,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 05:29:21,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 05:29:21,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 05:29:21,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 05:29:21,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 05:29:21,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 05:29:21,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 05:29:21,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 05:29:21,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 05:29:21,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 05:29:21,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 05:29:21,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 05:29:21,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 05:29:21,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 05:29:21,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 05:29:21,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 05:29:21,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 05:29:21,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 05:29:21,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 05:29:21,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 05:29:21,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 05:29:21,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 05:29:21,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 05:29:21,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 05:29:21,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 05:29:21,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 05:29:21,361 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 05:29:21,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 05:29:21,362 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 05:29:21,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 05:29:21,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 05:29:21,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 05:29:21,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 05:29:21,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 05:29:21,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 05:29:21,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 05:29:21,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 05:29:21,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 05:29:21,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 05:29:21,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 05:29:21,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 05:29:21,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 05:29:21,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 05:29:21,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 05:29:21,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 05:29:21,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 05:29:21,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 05:29:21,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 05:29:21,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 05:29:21,369 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 05:29:21,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 05:29:21,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 05:29:21,370 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 05:29:21,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 05:29:21,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 05:29:21,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 05:29:21,808 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 05:29:21,809 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 05:29:21,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-3.wvr.bpl [2021-04-29 05:29:21,811 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-3.wvr.bpl' [2021-04-29 05:29:21,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 05:29:21,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 05:29:21,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 05:29:21,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 05:29:21,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 05:29:21,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 05:29:21,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 05:29:21,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 05:29:21,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 05:29:21,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... [2021-04-29 05:29:21,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 05:29:21,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 05:29:21,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 05:29:21,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 05:29:21,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 05:29:22,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 05:29:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 05:29:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 05:29:22,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 05:29:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 05:29:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 05:29:22,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 05:29:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 05:29:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 05:29:22,090 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 05:29:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 05:29:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 05:29:22,091 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 05:29:22,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 05:29:22,327 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 05:29:22,329 INFO L202 PluginConnector]: Adding new model bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:29:22 BoogieIcfgContainer [2021-04-29 05:29:22,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 05:29:22,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 05:29:22,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 05:29:22,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 05:29:22,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 05:29:21" (1/2) ... [2021-04-29 05:29:22,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1595be7a and model type bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 05:29:22, skipping insertion in model container [2021-04-29 05:29:22,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 05:29:22" (2/2) ... [2021-04-29 05:29:22,337 INFO L111 eAbstractionObserver]: Analyzing ICFG bakery-3.wvr.bpl [2021-04-29 05:29:22,344 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 05:29:22,352 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 05:29:22,353 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 05:29:22,429 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-29 05:29:22,452 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 05:29:22,479 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 05:29:22,480 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 05:29:22,480 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 05:29:22,480 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 05:29:22,480 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 05:29:22,480 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 05:29:22,480 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 05:29:22,481 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 05:29:22,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 53 transitions, 130 flow [2021-04-29 05:29:22,587 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-29 05:29:22,588 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 05:29:22,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 0/50 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 05:29:22,591 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 53 transitions, 130 flow [2021-04-29 05:29:22,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 48 transitions, 114 flow [2021-04-29 05:29:22,617 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:22,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 48 transitions, 114 flow [2021-04-29 05:29:22,665 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 48 transitions, 114 flow [2021-04-29 05:29:22,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 48 transitions, 114 flow [2021-04-29 05:29:22,722 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-04-29 05:29:22,722 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 05:29:22,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 05:29:22,731 INFO L146 LiptonReduction]: Number of co-enabled transitions 1170 [2021-04-29 05:29:23,321 INFO L158 LiptonReduction]: Checked pairs total: 3388 [2021-04-29 05:29:23,321 INFO L160 LiptonReduction]: Total number of compositions: 10 [2021-04-29 05:29:23,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 712 [2021-04-29 05:29:23,352 INFO L129 PetriNetUnfolder]: 0/47 cut-off events. [2021-04-29 05:29:23,352 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 05:29:23,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:23,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:23,354 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:23,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:23,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1589473928, now seen corresponding path program 1 times [2021-04-29 05:29:23,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:23,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515937593] [2021-04-29 05:29:23,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:23,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:23,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:23,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:23,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:23,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:23,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:23,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:23,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:23,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:23,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:23,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:23,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:23,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-29 05:29:23,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:23,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515937593] [2021-04-29 05:29:23,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:23,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:29:23,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526123708] [2021-04-29 05:29:23,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:29:23,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:23,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:29:23,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:29:23,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 63 [2021-04-29 05:29:23,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 114 flow. Second operand has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:23,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:23,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 63 [2021-04-29 05:29:23,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:24,134 INFO L129 PetriNetUnfolder]: 29/215 cut-off events. [2021-04-29 05:29:24,135 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-04-29 05:29:24,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 215 events. 29/215 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1224 event pairs, 3 based on Foata normal form. 1/167 useless extension candidates. Maximal degree in co-relation 291. Up to 29 conditions per place. [2021-04-29 05:29:24,141 INFO L132 encePairwiseOnDemand]: 54/63 looper letters, 21 selfloop transitions, 15 changer transitions 7/82 dead transitions. [2021-04-29 05:29:24,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 82 transitions, 268 flow [2021-04-29 05:29:24,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:29:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:29:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 628 transitions. [2021-04-29 05:29:24,160 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9062049062049062 [2021-04-29 05:29:24,161 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 628 transitions. [2021-04-29 05:29:24,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 628 transitions. [2021-04-29 05:29:24,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:24,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 628 transitions. [2021-04-29 05:29:24,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.09090909090909) internal successors, (628), 11 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:24,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:24,183 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:24,186 INFO L185 Difference]: Start difference. First operand has 58 places, 48 transitions, 114 flow. Second operand 11 states and 628 transitions. [2021-04-29 05:29:24,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 82 transitions, 268 flow [2021-04-29 05:29:24,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 82 transitions, 256 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-04-29 05:29:24,194 INFO L241 Difference]: Finished difference. Result has 66 places, 63 transitions, 192 flow [2021-04-29 05:29:24,196 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=192, PETRI_PLACES=66, PETRI_TRANSITIONS=63} [2021-04-29 05:29:24,197 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 8 predicate places. [2021-04-29 05:29:24,197 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:24,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 63 transitions, 192 flow [2021-04-29 05:29:24,198 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 63 transitions, 192 flow [2021-04-29 05:29:24,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 63 transitions, 192 flow [2021-04-29 05:29:24,224 INFO L129 PetriNetUnfolder]: 9/141 cut-off events. [2021-04-29 05:29:24,224 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-29 05:29:24,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 141 events. 9/141 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 699 event pairs, 2 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 191. Up to 12 conditions per place. [2021-04-29 05:29:24,228 INFO L146 LiptonReduction]: Number of co-enabled transitions 1522 [2021-04-29 05:29:24,249 INFO L158 LiptonReduction]: Checked pairs total: 1533 [2021-04-29 05:29:24,249 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:24,249 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-04-29 05:29:24,252 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 192 flow [2021-04-29 05:29:24,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:24,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:24,253 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:24,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 05:29:24,254 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:24,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:24,255 INFO L82 PathProgramCache]: Analyzing trace with hash -741353504, now seen corresponding path program 2 times [2021-04-29 05:29:24,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:24,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512693994] [2021-04-29 05:29:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:24,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:24,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:29:24,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:24,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:29:24,372 INFO L142 QuantifierPusher]: treesize reduction 19, result has 57.8 percent of original size [2021-04-29 05:29:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 05:29:24,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:24,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:29:24,394 INFO L142 QuantifierPusher]: treesize reduction 7, result has 63.2 percent of original size [2021-04-29 05:29:24,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:29:24,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:24,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:24,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:24,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:29:24,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:24,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:24,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512693994] [2021-04-29 05:29:24,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:24,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:29:24,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768706464] [2021-04-29 05:29:24,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:29:24,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:24,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:29:24,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:29:24,433 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:29:24,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 192 flow. Second operand has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:24,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:24,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:29:24,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:25,262 INFO L129 PetriNetUnfolder]: 2189/4288 cut-off events. [2021-04-29 05:29:25,263 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-04-29 05:29:25,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8324 conditions, 4288 events. 2189/4288 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 31098 event pairs, 704 based on Foata normal form. 42/3077 useless extension candidates. Maximal degree in co-relation 8307. Up to 2927 conditions per place. [2021-04-29 05:29:25,296 INFO L132 encePairwiseOnDemand]: 50/63 looper letters, 57 selfloop transitions, 29 changer transitions 11/135 dead transitions. [2021-04-29 05:29:25,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 135 transitions, 530 flow [2021-04-29 05:29:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 05:29:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 05:29:25,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 370 transitions. [2021-04-29 05:29:25,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7341269841269841 [2021-04-29 05:29:25,300 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 370 transitions. [2021-04-29 05:29:25,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 370 transitions. [2021-04-29 05:29:25,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:25,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 370 transitions. [2021-04-29 05:29:25,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 46.25) internal successors, (370), 8 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,305 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,305 INFO L185 Difference]: Start difference. First operand has 63 places, 63 transitions, 192 flow. Second operand 8 states and 370 transitions. [2021-04-29 05:29:25,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 135 transitions, 530 flow [2021-04-29 05:29:25,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 135 transitions, 528 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-29 05:29:25,320 INFO L241 Difference]: Finished difference. Result has 73 places, 90 transitions, 354 flow [2021-04-29 05:29:25,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=354, PETRI_PLACES=73, PETRI_TRANSITIONS=90} [2021-04-29 05:29:25,321 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 15 predicate places. [2021-04-29 05:29:25,321 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:25,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 90 transitions, 354 flow [2021-04-29 05:29:25,322 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 90 transitions, 354 flow [2021-04-29 05:29:25,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 90 transitions, 354 flow [2021-04-29 05:29:25,381 INFO L129 PetriNetUnfolder]: 120/607 cut-off events. [2021-04-29 05:29:25,381 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-04-29 05:29:25,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 607 events. 120/607 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4471 event pairs, 16 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 1000. Up to 153 conditions per place. [2021-04-29 05:29:25,392 INFO L146 LiptonReduction]: Number of co-enabled transitions 1830 [2021-04-29 05:29:25,489 INFO L158 LiptonReduction]: Checked pairs total: 1251 [2021-04-29 05:29:25,489 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:25,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 168 [2021-04-29 05:29:25,493 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 90 transitions, 354 flow [2021-04-29 05:29:25,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,494 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:25,494 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:25,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 05:29:25,494 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:25,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:25,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1566301078, now seen corresponding path program 3 times [2021-04-29 05:29:25,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:25,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691531952] [2021-04-29 05:29:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:25,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:25,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:25,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:25,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:25,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:25,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:25,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691531952] [2021-04-29 05:29:25,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:25,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:29:25,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607098111] [2021-04-29 05:29:25,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 05:29:25,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:25,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 05:29:25,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 05:29:25,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 63 [2021-04-29 05:29:25,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 90 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:25,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 63 [2021-04-29 05:29:25,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:25,643 INFO L129 PetriNetUnfolder]: 120/564 cut-off events. [2021-04-29 05:29:25,643 INFO L130 PetriNetUnfolder]: For 124/165 co-relation queries the response was YES. [2021-04-29 05:29:25,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1096 conditions, 564 events. 120/564 cut-off events. For 124/165 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3915 event pairs, 27 based on Foata normal form. 41/491 useless extension candidates. Maximal degree in co-relation 1042. Up to 132 conditions per place. [2021-04-29 05:29:25,649 INFO L132 encePairwiseOnDemand]: 58/63 looper letters, 3 selfloop transitions, 9 changer transitions 1/90 dead transitions. [2021-04-29 05:29:25,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 90 transitions, 378 flow [2021-04-29 05:29:25,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 05:29:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 05:29:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2021-04-29 05:29:25,650 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9153439153439153 [2021-04-29 05:29:25,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 173 transitions. [2021-04-29 05:29:25,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 173 transitions. [2021-04-29 05:29:25,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:25,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 173 transitions. [2021-04-29 05:29:25,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,653 INFO L185 Difference]: Start difference. First operand has 71 places, 90 transitions, 354 flow. Second operand 3 states and 173 transitions. [2021-04-29 05:29:25,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 90 transitions, 378 flow [2021-04-29 05:29:25,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 90 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 05:29:25,660 INFO L241 Difference]: Finished difference. Result has 74 places, 89 transitions, 381 flow [2021-04-29 05:29:25,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=74, PETRI_TRANSITIONS=89} [2021-04-29 05:29:25,661 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 16 predicate places. [2021-04-29 05:29:25,662 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:25,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 89 transitions, 381 flow [2021-04-29 05:29:25,663 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 89 transitions, 381 flow [2021-04-29 05:29:25,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 89 transitions, 381 flow [2021-04-29 05:29:25,739 INFO L129 PetriNetUnfolder]: 128/720 cut-off events. [2021-04-29 05:29:25,739 INFO L130 PetriNetUnfolder]: For 177/191 co-relation queries the response was YES. [2021-04-29 05:29:25,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 720 events. 128/720 cut-off events. For 177/191 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 5548 event pairs, 36 based on Foata normal form. 0/594 useless extension candidates. Maximal degree in co-relation 1317. Up to 140 conditions per place. [2021-04-29 05:29:25,753 INFO L146 LiptonReduction]: Number of co-enabled transitions 1718 [2021-04-29 05:29:25,823 INFO L158 LiptonReduction]: Checked pairs total: 1011 [2021-04-29 05:29:25,824 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:25,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 162 [2021-04-29 05:29:25,826 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 89 transitions, 381 flow [2021-04-29 05:29:25,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:25,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:25,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 05:29:25,828 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:25,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:25,829 INFO L82 PathProgramCache]: Analyzing trace with hash -8457752, now seen corresponding path program 4 times [2021-04-29 05:29:25,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:25,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191974057] [2021-04-29 05:29:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:25,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:25,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:25,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:25,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:25,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:25,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:25,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191974057] [2021-04-29 05:29:25,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:25,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:29:25,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751478112] [2021-04-29 05:29:25,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 05:29:25,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:25,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 05:29:25,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 05:29:25,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 63 [2021-04-29 05:29:25,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 89 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:25,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 63 [2021-04-29 05:29:25,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:25,965 INFO L129 PetriNetUnfolder]: 119/623 cut-off events. [2021-04-29 05:29:25,966 INFO L130 PetriNetUnfolder]: For 251/280 co-relation queries the response was YES. [2021-04-29 05:29:25,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1311 conditions, 623 events. 119/623 cut-off events. For 251/280 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4561 event pairs, 36 based on Foata normal form. 28/555 useless extension candidates. Maximal degree in co-relation 1251. Up to 131 conditions per place. [2021-04-29 05:29:25,972 INFO L132 encePairwiseOnDemand]: 58/63 looper letters, 3 selfloop transitions, 10 changer transitions 1/89 dead transitions. [2021-04-29 05:29:25,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 89 transitions, 407 flow [2021-04-29 05:29:25,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 05:29:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 05:29:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2021-04-29 05:29:25,973 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9153439153439153 [2021-04-29 05:29:25,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 173 transitions. [2021-04-29 05:29:25,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 173 transitions. [2021-04-29 05:29:25,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:25,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 173 transitions. [2021-04-29 05:29:25,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,976 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:25,976 INFO L185 Difference]: Start difference. First operand has 74 places, 89 transitions, 381 flow. Second operand 3 states and 173 transitions. [2021-04-29 05:29:25,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 89 transitions, 407 flow [2021-04-29 05:29:25,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 89 transitions, 389 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:29:25,981 INFO L241 Difference]: Finished difference. Result has 75 places, 88 transitions, 392 flow [2021-04-29 05:29:25,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=75, PETRI_TRANSITIONS=88} [2021-04-29 05:29:25,982 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 17 predicate places. [2021-04-29 05:29:25,982 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:25,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 88 transitions, 392 flow [2021-04-29 05:29:25,982 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 88 transitions, 392 flow [2021-04-29 05:29:25,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 88 transitions, 392 flow [2021-04-29 05:29:26,041 INFO L129 PetriNetUnfolder]: 140/693 cut-off events. [2021-04-29 05:29:26,042 INFO L130 PetriNetUnfolder]: For 208/211 co-relation queries the response was YES. [2021-04-29 05:29:26,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1394 conditions, 693 events. 140/693 cut-off events. For 208/211 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5174 event pairs, 45 based on Foata normal form. 0/588 useless extension candidates. Maximal degree in co-relation 1336. Up to 150 conditions per place. [2021-04-29 05:29:26,054 INFO L146 LiptonReduction]: Number of co-enabled transitions 1636 [2021-04-29 05:29:26,152 INFO L158 LiptonReduction]: Checked pairs total: 787 [2021-04-29 05:29:26,152 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:26,152 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-04-29 05:29:26,159 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 88 transitions, 392 flow [2021-04-29 05:29:26,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:26,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:26,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:26,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 05:29:26,160 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:26,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:26,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1876454292, now seen corresponding path program 5 times [2021-04-29 05:29:26,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:26,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225118600] [2021-04-29 05:29:26,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:26,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,337 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-29 05:29:26,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:26,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225118600] [2021-04-29 05:29:26,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:26,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:29:26,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211766183] [2021-04-29 05:29:26,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:29:26,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:26,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:29:26,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:29:26,359 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 63 [2021-04-29 05:29:26,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 88 transitions, 392 flow. Second operand has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:26,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:26,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 63 [2021-04-29 05:29:26,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:26,678 INFO L129 PetriNetUnfolder]: 152/865 cut-off events. [2021-04-29 05:29:26,679 INFO L130 PetriNetUnfolder]: For 292/310 co-relation queries the response was YES. [2021-04-29 05:29:26,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 865 events. 152/865 cut-off events. For 292/310 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 6998 event pairs, 50 based on Foata normal form. 8/726 useless extension candidates. Maximal degree in co-relation 1771. Up to 179 conditions per place. [2021-04-29 05:29:26,687 INFO L132 encePairwiseOnDemand]: 55/63 looper letters, 30 selfloop transitions, 22 changer transitions 2/118 dead transitions. [2021-04-29 05:29:26,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 118 transitions, 619 flow [2021-04-29 05:29:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:29:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:29:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 622 transitions. [2021-04-29 05:29:26,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8975468975468975 [2021-04-29 05:29:26,690 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 622 transitions. [2021-04-29 05:29:26,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 622 transitions. [2021-04-29 05:29:26,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:26,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 622 transitions. [2021-04-29 05:29:26,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.54545454545455) internal successors, (622), 11 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:26,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:26,695 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:26,696 INFO L185 Difference]: Start difference. First operand has 75 places, 88 transitions, 392 flow. Second operand 11 states and 622 transitions. [2021-04-29 05:29:26,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 118 transitions, 619 flow [2021-04-29 05:29:26,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 118 transitions, 599 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 05:29:26,702 INFO L241 Difference]: Finished difference. Result has 88 places, 103 transitions, 528 flow [2021-04-29 05:29:26,702 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=528, PETRI_PLACES=88, PETRI_TRANSITIONS=103} [2021-04-29 05:29:26,702 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 30 predicate places. [2021-04-29 05:29:26,702 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:26,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 103 transitions, 528 flow [2021-04-29 05:29:26,703 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 103 transitions, 528 flow [2021-04-29 05:29:26,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 103 transitions, 528 flow [2021-04-29 05:29:26,778 INFO L129 PetriNetUnfolder]: 120/789 cut-off events. [2021-04-29 05:29:26,778 INFO L130 PetriNetUnfolder]: For 270/273 co-relation queries the response was YES. [2021-04-29 05:29:26,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1660 conditions, 789 events. 120/789 cut-off events. For 270/273 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6472 event pairs, 37 based on Foata normal form. 3/643 useless extension candidates. Maximal degree in co-relation 1618. Up to 155 conditions per place. [2021-04-29 05:29:26,791 INFO L146 LiptonReduction]: Number of co-enabled transitions 1814 [2021-04-29 05:29:26,844 INFO L158 LiptonReduction]: Checked pairs total: 886 [2021-04-29 05:29:26,844 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:26,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-04-29 05:29:26,846 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 103 transitions, 528 flow [2021-04-29 05:29:26,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:26,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:26,847 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:26,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 05:29:26,847 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:26,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:26,848 INFO L82 PathProgramCache]: Analyzing trace with hash 498839932, now seen corresponding path program 6 times [2021-04-29 05:29:26,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:26,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516200751] [2021-04-29 05:29:26,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:26,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:29:26,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:29:26,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:29:26,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:26,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:26,980 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-04-29 05:29:26,982 INFO L147 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size 11 [2021-04-29 05:29:27,005 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-04-29 05:29:27,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:29:27,029 INFO L142 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-04-29 05:29:27,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:29:27,050 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-04-29 05:29:27,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:29:27,072 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 05:29:27,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:27,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516200751] [2021-04-29 05:29:27,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:27,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 05:29:27,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691426629] [2021-04-29 05:29:27,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 05:29:27,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:27,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 05:29:27,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-04-29 05:29:27,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:29:27,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 103 transitions, 528 flow. Second operand has 12 states, 12 states have (on average 35.583333333333336) internal successors, (427), 12 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:27,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:27,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:29:27,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:28,640 INFO L129 PetriNetUnfolder]: 4066/8418 cut-off events. [2021-04-29 05:29:28,640 INFO L130 PetriNetUnfolder]: For 3735/3817 co-relation queries the response was YES. [2021-04-29 05:29:28,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21481 conditions, 8418 events. 4066/8418 cut-off events. For 3735/3817 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 71445 event pairs, 405 based on Foata normal form. 129/6438 useless extension candidates. Maximal degree in co-relation 21414. Up to 2068 conditions per place. [2021-04-29 05:29:28,811 INFO L132 encePairwiseOnDemand]: 41/63 looper letters, 109 selfloop transitions, 118 changer transitions 27/307 dead transitions. [2021-04-29 05:29:28,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 307 transitions, 1730 flow [2021-04-29 05:29:28,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 05:29:28,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 05:29:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 746 transitions. [2021-04-29 05:29:28,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7400793650793651 [2021-04-29 05:29:28,815 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 746 transitions. [2021-04-29 05:29:28,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 746 transitions. [2021-04-29 05:29:28,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:28,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 746 transitions. [2021-04-29 05:29:28,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 46.625) internal successors, (746), 16 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:28,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 63.0) internal successors, (1071), 17 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:28,822 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 63.0) internal successors, (1071), 17 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:28,822 INFO L185 Difference]: Start difference. First operand has 86 places, 103 transitions, 528 flow. Second operand 16 states and 746 transitions. [2021-04-29 05:29:28,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 307 transitions, 1730 flow [2021-04-29 05:29:28,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 307 transitions, 1716 flow, removed 7 selfloop flow, removed 1 redundant places. [2021-04-29 05:29:28,868 INFO L241 Difference]: Finished difference. Result has 114 places, 209 transitions, 1472 flow [2021-04-29 05:29:28,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1472, PETRI_PLACES=114, PETRI_TRANSITIONS=209} [2021-04-29 05:29:28,868 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 56 predicate places. [2021-04-29 05:29:28,868 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:28,869 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 209 transitions, 1472 flow [2021-04-29 05:29:28,869 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 209 transitions, 1472 flow [2021-04-29 05:29:28,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 209 transitions, 1472 flow [2021-04-29 05:29:29,653 INFO L129 PetriNetUnfolder]: 2121/5403 cut-off events. [2021-04-29 05:29:29,653 INFO L130 PetriNetUnfolder]: For 8017/8238 co-relation queries the response was YES. [2021-04-29 05:29:29,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17408 conditions, 5403 events. 2121/5403 cut-off events. For 8017/8238 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 50293 event pairs, 183 based on Foata normal form. 46/3929 useless extension candidates. Maximal degree in co-relation 17136. Up to 1262 conditions per place. [2021-04-29 05:29:29,772 INFO L146 LiptonReduction]: Number of co-enabled transitions 3756 [2021-04-29 05:29:30,167 INFO L158 LiptonReduction]: Checked pairs total: 894 [2021-04-29 05:29:30,167 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:30,168 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1300 [2021-04-29 05:29:30,179 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 209 transitions, 1472 flow [2021-04-29 05:29:30,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 35.583333333333336) internal successors, (427), 12 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:30,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:30,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:30,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 05:29:30,181 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:30,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:30,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1618287524, now seen corresponding path program 7 times [2021-04-29 05:29:30,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:30,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413739504] [2021-04-29 05:29:30,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:30,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:30,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:30,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:30,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:30,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:30,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:30,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:30,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:30,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:30,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:30,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:30,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-29 05:29:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:30,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:30,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413739504] [2021-04-29 05:29:30,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:30,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:29:30,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086831326] [2021-04-29 05:29:30,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:29:30,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:30,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:29:30,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:29:30,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 63 [2021-04-29 05:29:30,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 209 transitions, 1472 flow. Second operand has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:30,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:30,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 63 [2021-04-29 05:29:30,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:31,729 INFO L129 PetriNetUnfolder]: 3125/7507 cut-off events. [2021-04-29 05:29:31,729 INFO L130 PetriNetUnfolder]: For 10811/11241 co-relation queries the response was YES. [2021-04-29 05:29:31,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25200 conditions, 7507 events. 3125/7507 cut-off events. For 10811/11241 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 71799 event pairs, 318 based on Foata normal form. 140/5350 useless extension candidates. Maximal degree in co-relation 24816. Up to 1878 conditions per place. [2021-04-29 05:29:31,823 INFO L132 encePairwiseOnDemand]: 55/63 looper letters, 43 selfloop transitions, 39 changer transitions 1/252 dead transitions. [2021-04-29 05:29:31,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 252 transitions, 1887 flow [2021-04-29 05:29:31,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:29:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:29:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 622 transitions. [2021-04-29 05:29:31,826 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8975468975468975 [2021-04-29 05:29:31,826 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 622 transitions. [2021-04-29 05:29:31,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 622 transitions. [2021-04-29 05:29:31,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:31,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 622 transitions. [2021-04-29 05:29:31,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.54545454545455) internal successors, (622), 11 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:31,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:31,831 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:31,831 INFO L185 Difference]: Start difference. First operand has 113 places, 209 transitions, 1472 flow. Second operand 11 states and 622 transitions. [2021-04-29 05:29:31,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 252 transitions, 1887 flow [2021-04-29 05:29:32,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 252 transitions, 1868 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-04-29 05:29:32,107 INFO L241 Difference]: Finished difference. Result has 128 places, 236 transitions, 1793 flow [2021-04-29 05:29:32,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=1453, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1793, PETRI_PLACES=128, PETRI_TRANSITIONS=236} [2021-04-29 05:29:32,107 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 70 predicate places. [2021-04-29 05:29:32,107 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:32,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 236 transitions, 1793 flow [2021-04-29 05:29:32,108 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 236 transitions, 1793 flow [2021-04-29 05:29:32,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 236 transitions, 1793 flow [2021-04-29 05:29:32,576 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L34-->thread1EXIT: Formula: (= v_n1_20 0) InVars {} OutVars{n1=v_n1_20} AuxVars[] AssignedVars[n1][196], [Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), 10#thread1EXITtrue, Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), 77#true, Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 206#e2, Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 38#L64true, Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), 40#thread2EXITtrue, Black: 230#e3, 173#true, Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 175#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), 251#true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1))]) [2021-04-29 05:29:32,577 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,577 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,578 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,578 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,578 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L34-->thread1EXIT: Formula: (= v_n1_20 0) InVars {} OutVars{n1=v_n1_20} AuxVars[] AssignedVars[n1][196], [Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), 70#true, Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), 10#thread1EXITtrue, Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), 77#true, Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 206#e2, Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 38#L64true, Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 173#true, Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 175#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), 251#true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1))]) [2021-04-29 05:29:32,578 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,578 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,579 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,579 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,580 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([111] L34-->thread1FINAL: Formula: (= v_n1_9 0) InVars {} OutVars{n1=v_n1_9} AuxVars[] AssignedVars[n1][113], [Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), 72#true, Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), 77#true, Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 206#e2, Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 38#L64true, Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), 40#thread2EXITtrue, Black: 230#e3, 173#true, Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 175#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), 251#true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1))]) [2021-04-29 05:29:32,580 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,580 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,580 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,581 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,583 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([111] L34-->thread1FINAL: Formula: (= v_n1_9 0) InVars {} OutVars{n1=v_n1_9} AuxVars[] AssignedVars[n1][113], [Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), 70#true, Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), 72#true, Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), 77#true, Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 206#e2, Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 38#L64true, Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 173#true, Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 175#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), 251#true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1))]) [2021-04-29 05:29:32,583 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,583 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,584 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,584 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-04-29 05:29:32,982 INFO L129 PetriNetUnfolder]: 2932/7413 cut-off events. [2021-04-29 05:29:32,983 INFO L130 PetriNetUnfolder]: For 11525/11779 co-relation queries the response was YES. [2021-04-29 05:29:33,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24457 conditions, 7413 events. 2932/7413 cut-off events. For 11525/11779 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 73170 event pairs, 185 based on Foata normal form. 56/5229 useless extension candidates. Maximal degree in co-relation 23985. Up to 1878 conditions per place. [2021-04-29 05:29:33,104 INFO L146 LiptonReduction]: Number of co-enabled transitions 4616 [2021-04-29 05:29:33,310 INFO L158 LiptonReduction]: Checked pairs total: 979 [2021-04-29 05:29:33,311 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:33,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1204 [2021-04-29 05:29:33,312 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 236 transitions, 1793 flow [2021-04-29 05:29:33,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:33,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:33,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:33,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 05:29:33,314 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:33,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:33,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1280421862, now seen corresponding path program 8 times [2021-04-29 05:29:33,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:33,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117252210] [2021-04-29 05:29:33,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:33,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:33,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:29:33,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:33,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:33,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:33,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:33,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:33,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:29:33,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:33,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:29:33,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:33,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:29:33,385 INFO L142 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-04-29 05:29:33,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:33,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:33,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:29:33,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:33,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:33,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117252210] [2021-04-29 05:29:33,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:33,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:29:33,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158054050] [2021-04-29 05:29:33,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:29:33,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:33,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:29:33,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:29:33,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:29:33,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 236 transitions, 1793 flow. Second operand has 8 states, 8 states have (on average 36.375) internal successors, (291), 8 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:33,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:33,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:29:33,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:36,200 INFO L129 PetriNetUnfolder]: 7160/14427 cut-off events. [2021-04-29 05:29:36,200 INFO L130 PetriNetUnfolder]: For 39104/41551 co-relation queries the response was YES. [2021-04-29 05:29:36,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59321 conditions, 14427 events. 7160/14427 cut-off events. For 39104/41551 co-relation queries the response was YES. Maximal size of possible extension queue 755. Compared 130771 event pairs, 955 based on Foata normal form. 213/10680 useless extension candidates. Maximal degree in co-relation 58781. Up to 8223 conditions per place. [2021-04-29 05:29:36,467 INFO L132 encePairwiseOnDemand]: 47/63 looper letters, 211 selfloop transitions, 118 changer transitions 28/438 dead transitions. [2021-04-29 05:29:36,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 438 transitions, 3886 flow [2021-04-29 05:29:36,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:29:36,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:29:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 466 transitions. [2021-04-29 05:29:36,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7396825396825397 [2021-04-29 05:29:36,470 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 466 transitions. [2021-04-29 05:29:36,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 466 transitions. [2021-04-29 05:29:36,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:36,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 466 transitions. [2021-04-29 05:29:36,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 46.6) internal successors, (466), 10 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:36,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 63.0) internal successors, (693), 11 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:36,475 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 63.0) internal successors, (693), 11 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:36,475 INFO L185 Difference]: Start difference. First operand has 128 places, 236 transitions, 1793 flow. Second operand 10 states and 466 transitions. [2021-04-29 05:29:36,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 438 transitions, 3886 flow [2021-04-29 05:29:36,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 438 transitions, 3856 flow, removed 15 selfloop flow, removed 0 redundant places. [2021-04-29 05:29:37,001 INFO L241 Difference]: Finished difference. Result has 145 places, 333 transitions, 2941 flow [2021-04-29 05:29:37,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=1763, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2941, PETRI_PLACES=145, PETRI_TRANSITIONS=333} [2021-04-29 05:29:37,002 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 87 predicate places. [2021-04-29 05:29:37,002 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:37,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 333 transitions, 2941 flow [2021-04-29 05:29:37,003 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 333 transitions, 2941 flow [2021-04-29 05:29:37,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 333 transitions, 2941 flow [2021-04-29 05:29:38,131 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([111] L34-->thread1FINAL: Formula: (= v_n1_9 0) InVars {} OutVars{n1=v_n1_9} AuxVars[] AssignedVars[n1][64], [Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 414#true, 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), 40#thread2EXITtrue, Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 175#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), 75#true, Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 375#(and (<= i2 0) (<= 0 i2)), 251#true]) [2021-04-29 05:29:38,132 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-04-29 05:29:38,132 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-04-29 05:29:38,132 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-04-29 05:29:38,132 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-04-29 05:29:38,134 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L34-->thread1EXIT: Formula: (= v_n1_20 0) InVars {} OutVars{n1=v_n1_20} AuxVars[] AssignedVars[n1][196], [10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 414#true, 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), 40#thread2EXITtrue, Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 175#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), 75#true, Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 375#(and (<= i2 0) (<= 0 i2)), 251#true]) [2021-04-29 05:29:38,134 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-04-29 05:29:38,134 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-04-29 05:29:38,134 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-04-29 05:29:38,134 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-04-29 05:29:38,458 INFO L129 PetriNetUnfolder]: 5266/11435 cut-off events. [2021-04-29 05:29:38,458 INFO L130 PetriNetUnfolder]: For 31585/32443 co-relation queries the response was YES. [2021-04-29 05:29:38,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46620 conditions, 11435 events. 5266/11435 cut-off events. For 31585/32443 co-relation queries the response was YES. Maximal size of possible extension queue 783. Compared 108421 event pairs, 430 based on Foata normal form. 162/8064 useless extension candidates. Maximal degree in co-relation 46093. Up to 2714 conditions per place. [2021-04-29 05:29:38,635 INFO L146 LiptonReduction]: Number of co-enabled transitions 6172 [2021-04-29 05:29:39,340 INFO L158 LiptonReduction]: Checked pairs total: 1151 [2021-04-29 05:29:39,340 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:39,341 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2339 [2021-04-29 05:29:39,343 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 333 transitions, 2941 flow [2021-04-29 05:29:39,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.375) internal successors, (291), 8 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:39,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:39,344 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:39,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 05:29:39,344 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:39,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:39,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1789820830, now seen corresponding path program 9 times [2021-04-29 05:29:39,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:39,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322063579] [2021-04-29 05:29:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:39,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:39,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:29:39,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:39,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:29:39,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:39,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:29:39,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:39,459 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 05:29:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:29:39,466 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-04-29 05:29:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:29:39,482 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:29:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:39,492 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-04-29 05:29:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:39,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:39,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:29:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:39,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322063579] [2021-04-29 05:29:39,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:39,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:29:39,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410685675] [2021-04-29 05:29:39,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:29:39,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:39,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:29:39,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:29:39,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:29:39,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 333 transitions, 2941 flow. Second operand has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:39,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:39,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:29:39,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:39,829 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 6 [2021-04-29 05:29:44,965 INFO L129 PetriNetUnfolder]: 13938/26465 cut-off events. [2021-04-29 05:29:44,965 INFO L130 PetriNetUnfolder]: For 100229/104261 co-relation queries the response was YES. [2021-04-29 05:29:45,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126670 conditions, 26465 events. 13938/26465 cut-off events. For 100229/104261 co-relation queries the response was YES. Maximal size of possible extension queue 1387. Compared 247867 event pairs, 945 based on Foata normal form. 941/19868 useless extension candidates. Maximal degree in co-relation 125993. Up to 6416 conditions per place. [2021-04-29 05:29:45,521 INFO L132 encePairwiseOnDemand]: 45/63 looper letters, 259 selfloop transitions, 259 changer transitions 17/616 dead transitions. [2021-04-29 05:29:45,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 616 transitions, 6845 flow [2021-04-29 05:29:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 05:29:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 05:29:45,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 691 transitions. [2021-04-29 05:29:45,528 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7312169312169312 [2021-04-29 05:29:45,528 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 691 transitions. [2021-04-29 05:29:45,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 691 transitions. [2021-04-29 05:29:45,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:45,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 691 transitions. [2021-04-29 05:29:45,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 46.06666666666667) internal successors, (691), 15 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:45,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 63.0) internal successors, (1008), 16 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:45,534 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 63.0) internal successors, (1008), 16 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:45,534 INFO L185 Difference]: Start difference. First operand has 145 places, 333 transitions, 2941 flow. Second operand 15 states and 691 transitions. [2021-04-29 05:29:45,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 616 transitions, 6845 flow [2021-04-29 05:29:47,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 616 transitions, 6705 flow, removed 70 selfloop flow, removed 0 redundant places. [2021-04-29 05:29:47,299 INFO L241 Difference]: Finished difference. Result has 170 places, 477 transitions, 5277 flow [2021-04-29 05:29:47,299 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=2801, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=5277, PETRI_PLACES=170, PETRI_TRANSITIONS=477} [2021-04-29 05:29:47,300 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 112 predicate places. [2021-04-29 05:29:47,300 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:29:47,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 477 transitions, 5277 flow [2021-04-29 05:29:47,300 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 477 transitions, 5277 flow [2021-04-29 05:29:47,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 477 transitions, 5277 flow [2021-04-29 05:29:48,336 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L34-->thread1EXIT: Formula: (= v_n1_20 0) InVars {} OutVars{n1=v_n1_20} AuxVars[] AssignedVars[n1][195], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 9#L62true, 10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 414#true, 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), 40#thread2EXITtrue, Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 175#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, 486#(and (<= 0 n1) (<= 0 n3)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), 251#true, Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:29:48,336 INFO L384 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2021-04-29 05:29:48,337 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:29:48,337 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:29:48,337 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:29:50,726 INFO L129 PetriNetUnfolder]: 10730/21196 cut-off events. [2021-04-29 05:29:50,726 INFO L130 PetriNetUnfolder]: For 109818/112993 co-relation queries the response was YES. [2021-04-29 05:29:50,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110778 conditions, 21196 events. 10730/21196 cut-off events. For 109818/112993 co-relation queries the response was YES. Maximal size of possible extension queue 1382. Compared 202652 event pairs, 825 based on Foata normal form. 547/14719 useless extension candidates. Maximal degree in co-relation 110058. Up to 5354 conditions per place. [2021-04-29 05:29:51,131 INFO L146 LiptonReduction]: Number of co-enabled transitions 10776 [2021-04-29 05:29:52,423 INFO L158 LiptonReduction]: Checked pairs total: 2389 [2021-04-29 05:29:52,424 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:29:52,424 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5124 [2021-04-29 05:29:52,425 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 477 transitions, 5277 flow [2021-04-29 05:29:52,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:52,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:29:52,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:29:52,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 05:29:52,426 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:29:52,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:29:52,427 INFO L82 PathProgramCache]: Analyzing trace with hash 2008027610, now seen corresponding path program 10 times [2021-04-29 05:29:52,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:29:52,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859899982] [2021-04-29 05:29:52,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:29:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:29:52,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:52,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:52,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:52,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:52,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:52,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:52,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:52,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:52,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:29:52,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:52,503 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-29 05:29:52,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:29:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:29:52,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859899982] [2021-04-29 05:29:52,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:29:52,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:29:52,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581835689] [2021-04-29 05:29:52,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:29:52,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:29:52,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:29:52,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:29:52,517 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 63 [2021-04-29 05:29:52,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 477 transitions, 5277 flow. Second operand has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:52,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:29:52,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 63 [2021-04-29 05:29:52,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:29:57,576 INFO L129 PetriNetUnfolder]: 11178/21978 cut-off events. [2021-04-29 05:29:57,576 INFO L130 PetriNetUnfolder]: For 111297/116065 co-relation queries the response was YES. [2021-04-29 05:29:57,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118620 conditions, 21978 events. 11178/21978 cut-off events. For 111297/116065 co-relation queries the response was YES. Maximal size of possible extension queue 1372. Compared 208881 event pairs, 857 based on Foata normal form. 1162/16088 useless extension candidates. Maximal degree in co-relation 117921. Up to 5253 conditions per place. [2021-04-29 05:29:57,840 INFO L132 encePairwiseOnDemand]: 55/63 looper letters, 43 selfloop transitions, 41 changer transitions 1/494 dead transitions. [2021-04-29 05:29:57,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 494 transitions, 5551 flow [2021-04-29 05:29:57,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:29:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:29:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 622 transitions. [2021-04-29 05:29:57,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8975468975468975 [2021-04-29 05:29:57,844 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 622 transitions. [2021-04-29 05:29:57,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 622 transitions. [2021-04-29 05:29:57,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:29:57,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 622 transitions. [2021-04-29 05:29:57,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.54545454545455) internal successors, (622), 11 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:57,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:57,849 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:29:57,849 INFO L185 Difference]: Start difference. First operand has 170 places, 477 transitions, 5277 flow. Second operand 11 states and 622 transitions. [2021-04-29 05:29:57,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 494 transitions, 5551 flow [2021-04-29 05:30:00,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 494 transitions, 5447 flow, removed 46 selfloop flow, removed 2 redundant places. [2021-04-29 05:30:00,092 INFO L241 Difference]: Finished difference. Result has 181 places, 480 transitions, 5312 flow [2021-04-29 05:30:00,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=5173, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5312, PETRI_PLACES=181, PETRI_TRANSITIONS=480} [2021-04-29 05:30:00,093 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 123 predicate places. [2021-04-29 05:30:00,093 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:30:00,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 480 transitions, 5312 flow [2021-04-29 05:30:00,094 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 480 transitions, 5312 flow [2021-04-29 05:30:00,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 480 transitions, 5312 flow [2021-04-29 05:30:03,223 INFO L129 PetriNetUnfolder]: 10674/21121 cut-off events. [2021-04-29 05:30:03,226 INFO L130 PetriNetUnfolder]: For 112405/115702 co-relation queries the response was YES. [2021-04-29 05:30:03,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112513 conditions, 21121 events. 10674/21121 cut-off events. For 112405/115702 co-relation queries the response was YES. Maximal size of possible extension queue 1395. Compared 202022 event pairs, 815 based on Foata normal form. 571/14785 useless extension candidates. Maximal degree in co-relation 111748. Up to 5335 conditions per place. [2021-04-29 05:30:03,759 INFO L146 LiptonReduction]: Number of co-enabled transitions 11044 [2021-04-29 05:30:04,982 INFO L158 LiptonReduction]: Checked pairs total: 2381 [2021-04-29 05:30:04,982 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:30:04,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4889 [2021-04-29 05:30:04,983 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 480 transitions, 5312 flow [2021-04-29 05:30:04,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:04,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:30:04,984 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:30:04,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 05:30:04,984 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:30:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:30:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1936197680, now seen corresponding path program 11 times [2021-04-29 05:30:04,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:30:04,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090071048] [2021-04-29 05:30:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:30:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:30:05,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:30:05,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:30:05,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:05,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:05,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:30:05,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:30:05,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:30:05,086 INFO L142 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-04-29 05:30:05,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:05,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:30:05,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:05,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:30:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:30:05,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090071048] [2021-04-29 05:30:05,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:30:05,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:30:05,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029738186] [2021-04-29 05:30:05,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:30:05,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:30:05,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:30:05,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:30:05,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:30:05,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 480 transitions, 5312 flow. Second operand has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:05,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:30:05,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:30:05,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:30:11,600 INFO L129 PetriNetUnfolder]: 13854/26211 cut-off events. [2021-04-29 05:30:11,600 INFO L130 PetriNetUnfolder]: For 186700/196913 co-relation queries the response was YES. [2021-04-29 05:30:11,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157834 conditions, 26211 events. 13854/26211 cut-off events. For 186700/196913 co-relation queries the response was YES. Maximal size of possible extension queue 1356. Compared 244012 event pairs, 2019 based on Foata normal form. 579/19403 useless extension candidates. Maximal degree in co-relation 157101. Up to 19168 conditions per place. [2021-04-29 05:30:11,965 INFO L132 encePairwiseOnDemand]: 52/63 looper letters, 421 selfloop transitions, 42 changer transitions 11/559 dead transitions. [2021-04-29 05:30:11,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 559 transitions, 7196 flow [2021-04-29 05:30:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:30:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:30:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 421 transitions. [2021-04-29 05:30:11,968 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6682539682539682 [2021-04-29 05:30:11,968 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 421 transitions. [2021-04-29 05:30:11,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 421 transitions. [2021-04-29 05:30:11,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:30:11,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 421 transitions. [2021-04-29 05:30:11,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 42.1) internal successors, (421), 10 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:11,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 63.0) internal successors, (693), 11 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:11,973 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 63.0) internal successors, (693), 11 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:11,973 INFO L185 Difference]: Start difference. First operand has 181 places, 480 transitions, 5312 flow. Second operand 10 states and 421 transitions. [2021-04-29 05:30:11,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 559 transitions, 7196 flow [2021-04-29 05:30:14,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 559 transitions, 7134 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-04-29 05:30:14,910 INFO L241 Difference]: Finished difference. Result has 195 places, 514 transitions, 5874 flow [2021-04-29 05:30:14,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=5250, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5874, PETRI_PLACES=195, PETRI_TRANSITIONS=514} [2021-04-29 05:30:14,911 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 137 predicate places. [2021-04-29 05:30:14,911 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:30:14,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 514 transitions, 5874 flow [2021-04-29 05:30:14,911 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 514 transitions, 5874 flow [2021-04-29 05:30:14,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 514 transitions, 5874 flow [2021-04-29 05:30:17,881 INFO L129 PetriNetUnfolder]: 10655/21218 cut-off events. [2021-04-29 05:30:17,882 INFO L130 PetriNetUnfolder]: For 135912/140086 co-relation queries the response was YES. [2021-04-29 05:30:18,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116732 conditions, 21218 events. 10655/21218 cut-off events. For 135912/140086 co-relation queries the response was YES. Maximal size of possible extension queue 1332. Compared 204020 event pairs, 761 based on Foata normal form. 715/16141 useless extension candidates. Maximal degree in co-relation 115856. Up to 5311 conditions per place. [2021-04-29 05:30:18,816 INFO L146 LiptonReduction]: Number of co-enabled transitions 11270 [2021-04-29 05:30:20,377 INFO L158 LiptonReduction]: Checked pairs total: 2453 [2021-04-29 05:30:20,377 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:30:20,377 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5466 [2021-04-29 05:30:20,378 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 514 transitions, 5874 flow [2021-04-29 05:30:20,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:20,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:30:20,378 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:30:20,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 05:30:20,379 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:30:20,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:30:20,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1680268270, now seen corresponding path program 12 times [2021-04-29 05:30:20,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:30:20,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506818575] [2021-04-29 05:30:20,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:30:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:30:20,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:20,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:30:20,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:20,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:30:20,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:20,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:30:20,458 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 05:30:20,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 05:30:20,466 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:30:20,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:20,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:30:20,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:20,488 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 05:30:20,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:20,497 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 05:30:20,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:30:20,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:20,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:30:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:30:20,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506818575] [2021-04-29 05:30:20,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:30:20,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:30:20,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115283906] [2021-04-29 05:30:20,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:30:20,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:30:20,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:30:20,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:30:20,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:30:20,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 514 transitions, 5874 flow. Second operand has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:20,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:30:20,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:30:20,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:30:27,512 INFO L129 PetriNetUnfolder]: 13029/26931 cut-off events. [2021-04-29 05:30:27,513 INFO L130 PetriNetUnfolder]: For 227755/234847 co-relation queries the response was YES. [2021-04-29 05:30:27,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163046 conditions, 26931 events. 13029/26931 cut-off events. For 227755/234847 co-relation queries the response was YES. Maximal size of possible extension queue 1315. Compared 271658 event pairs, 1090 based on Foata normal form. 1405/23105 useless extension candidates. Maximal degree in co-relation 162036. Up to 6965 conditions per place. [2021-04-29 05:30:27,855 INFO L132 encePairwiseOnDemand]: 46/63 looper letters, 479 selfloop transitions, 477 changer transitions 81/1122 dead transitions. [2021-04-29 05:30:27,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 1122 transitions, 15355 flow [2021-04-29 05:30:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 05:30:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 05:30:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 581 transitions. [2021-04-29 05:30:27,857 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7094017094017094 [2021-04-29 05:30:27,857 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 581 transitions. [2021-04-29 05:30:27,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 581 transitions. [2021-04-29 05:30:27,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:30:27,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 581 transitions. [2021-04-29 05:30:27,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 44.69230769230769) internal successors, (581), 13 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:27,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 63.0) internal successors, (882), 14 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:27,862 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 63.0) internal successors, (882), 14 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:27,862 INFO L185 Difference]: Start difference. First operand has 195 places, 514 transitions, 5874 flow. Second operand 13 states and 581 transitions. [2021-04-29 05:30:27,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 1122 transitions, 15355 flow [2021-04-29 05:30:31,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 1122 transitions, 15233 flow, removed 61 selfloop flow, removed 0 redundant places. [2021-04-29 05:30:31,944 INFO L241 Difference]: Finished difference. Result has 218 places, 773 transitions, 10622 flow [2021-04-29 05:30:31,944 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=5760, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10622, PETRI_PLACES=218, PETRI_TRANSITIONS=773} [2021-04-29 05:30:31,944 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 160 predicate places. [2021-04-29 05:30:31,945 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:30:31,945 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 773 transitions, 10622 flow [2021-04-29 05:30:31,945 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 773 transitions, 10622 flow [2021-04-29 05:30:31,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 773 transitions, 10622 flow [2021-04-29 05:30:34,371 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([124] L51-->thread2FINAL: Formula: (= v_n2_11 0) InVars {} OutVars{n2=v_n2_11} AuxVars[] AssignedVars[n2][409], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 17#L66true, Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), 173#true, Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), 70#true, Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), 72#true, Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 628#(and (= n3 n2) (<= 1 n2)), 254#(and (<= i1 0) (<= 0 i1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:34,371 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-04-29 05:30:34,371 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:34,371 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:34,371 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:34,371 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L51-->thread2EXIT: Formula: (= v_n2_47 0) InVars {} OutVars{n2=v_n2_47} AuxVars[] AssignedVars[n2][505], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 17#L66true, Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 40#thread2EXITtrue, Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), 173#true, Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), 72#true, Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), 254#(and (<= i1 0) (<= 0 i1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:34,371 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-04-29 05:30:34,371 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:34,371 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:34,372 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,050 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([124] L51-->thread2FINAL: Formula: (= v_n2_11 0) InVars {} OutVars{n2=v_n2_11} AuxVars[] AssignedVars[n2][409], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 17#L66true, Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), 173#true, Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), 70#true, Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 628#(and (= n3 n2) (<= 1 n2)), 254#(and (<= i1 0) (<= 0 i1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,051 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,051 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,051 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,051 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,051 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L51-->thread2EXIT: Formula: (= v_n2_47 0) InVars {} OutVars{n2=v_n2_47} AuxVars[] AssignedVars[n2][505], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 17#L66true, Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 40#thread2EXITtrue, Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), 173#true, Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 628#(and (= n3 n2) (<= 1 n2)), 254#(and (<= i1 0) (<= 0 i1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,051 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,051 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,051 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,051 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([124] L51-->thread2FINAL: Formula: (= v_n2_11 0) InVars {} OutVars{n2=v_n2_11} AuxVars[] AssignedVars[n2][409], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 17#L66true, Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), 70#true, Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), 254#(and (<= i1 0) (<= 0 i1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:30:35,056 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L51-->thread2EXIT: Formula: (= v_n2_47 0) InVars {} OutVars{n2=v_n2_47} AuxVars[] AssignedVars[n2][505], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 17#L66true, Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 40#thread2EXITtrue, Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), 254#(and (<= i1 0) (<= 0 i1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,056 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,056 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-04-29 05:30:35,539 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([154] L68-->thread3EXIT: Formula: (= v_n3_68 0) InVars {} OutVars{n3=v_n3_68} AuxVars[] AssignedVars[n3][386], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 28#L50true, 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), 50#thread3EXITtrue, Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,540 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,540 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,540 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,540 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,540 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] L68-->thread3FINAL: Formula: (= v_n3_14 0) InVars {} OutVars{n3=v_n3_14} AuxVars[] AssignedVars[n3][441], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 28#L50true, 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), 75#true, Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,540 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,540 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,540 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,540 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,541 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([154] L68-->thread3EXIT: Formula: (= v_n3_68 0) InVars {} OutVars{n3=v_n3_68} AuxVars[] AssignedVars[n3][386], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 28#L50true, 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), 50#thread3EXITtrue, Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,541 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,541 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,541 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,541 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,541 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] L68-->thread3FINAL: Formula: (= v_n3_14 0) InVars {} OutVars{n3=v_n3_14} AuxVars[] AssignedVars[n3][441], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 28#L50true, 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), 75#true, Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,542 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,542 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,542 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,542 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,545 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([124] L51-->thread2FINAL: Formula: (= v_n2_11 0) InVars {} OutVars{n2=v_n2_11} AuxVars[] AssignedVars[n2][409], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 271#(and (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), 59#L67true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), 70#true, Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:30:35,545 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,545 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,545 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,545 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,546 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L51-->thread2EXIT: Formula: (= v_n2_47 0) InVars {} OutVars{n2=v_n2_47} AuxVars[] AssignedVars[n2][505], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 271#(and (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 40#thread2EXITtrue, Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), 59#L67true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,546 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,546 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,546 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,546 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,547 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([124] L51-->thread2FINAL: Formula: (= v_n2_11 0) InVars {} OutVars{n2=v_n2_11} AuxVars[] AssignedVars[n2][409], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 271#(and (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), 59#L67true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), 70#true, Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:30:35,547 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,547 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,547 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,547 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,548 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L51-->thread2EXIT: Formula: (= v_n2_47 0) InVars {} OutVars{n2=v_n2_47} AuxVars[] AssignedVars[n2][505], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 271#(and (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 40#thread2EXITtrue, Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), 59#L67true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,548 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,548 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,548 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,548 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is not cut-off event [2021-04-29 05:30:35,806 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([124] L51-->thread2FINAL: Formula: (= v_n2_11 0) InVars {} OutVars{n2=v_n2_11} AuxVars[] AssignedVars[n2][409], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 271#(and (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), 43#L68true, Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), 70#true, Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:30:35,806 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,806 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,806 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,806 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,807 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L51-->thread2EXIT: Formula: (= v_n2_47 0) InVars {} OutVars{n2=v_n2_47} AuxVars[] AssignedVars[n2][505], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 271#(and (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 40#thread2EXITtrue, Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), 43#L68true, Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,807 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,807 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,807 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,807 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,809 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([124] L51-->thread2FINAL: Formula: (= v_n2_11 0) InVars {} OutVars{n2=v_n2_11} AuxVars[] AssignedVars[n2][409], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 271#(and (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), 43#L68true, Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), 70#true, Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:30:35,809 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,809 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L51-->thread2EXIT: Formula: (= v_n2_47 0) InVars {} OutVars{n2=v_n2_47} AuxVars[] AssignedVars[n2][505], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 271#(and (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 40#thread2EXITtrue, Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), 43#L68true, Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,809 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,809 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,810 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,815 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([154] L68-->thread3EXIT: Formula: (= v_n3_68 0) InVars {} OutVars{n3=v_n3_68} AuxVars[] AssignedVars[n3][386], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, 11#L51true, 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), 50#thread3EXITtrue, Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,815 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,815 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,815 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,815 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,816 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] L68-->thread3FINAL: Formula: (= v_n3_14 0) InVars {} OutVars{n3=v_n3_14} AuxVars[] AssignedVars[n3][441], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, 11#L51true, 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), 75#true, Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,816 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,816 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,816 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,816 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,818 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([154] L68-->thread3EXIT: Formula: (= v_n3_68 0) InVars {} OutVars{n3=v_n3_68} AuxVars[] AssignedVars[n3][386], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 11#L51true, 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), 50#thread3EXITtrue, Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,818 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,818 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,819 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,819 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,819 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] L68-->thread3FINAL: Formula: (= v_n3_14 0) InVars {} OutVars{n3=v_n3_14} AuxVars[] AssignedVars[n3][441], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 11#L51true, 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), 75#true, Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,819 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,819 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,820 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,820 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,836 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([154] L68-->thread3EXIT: Formula: (= v_n3_68 0) InVars {} OutVars{n3=v_n3_68} AuxVars[] AssignedVars[n3][386], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, 11#L51true, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), 50#thread3EXITtrue, Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), 254#(and (<= i1 0) (<= 0 i1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,836 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,836 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,836 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,837 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,837 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] L68-->thread3FINAL: Formula: (= v_n3_14 0) InVars {} OutVars{n3=v_n3_14} AuxVars[] AssignedVars[n3][441], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 10#thread1EXITtrue, 11#L51true, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), 75#true, Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), 254#(and (<= i1 0) (<= 0 i1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,837 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,837 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,837 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,837 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,838 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([154] L68-->thread3EXIT: Formula: (= v_n3_68 0) InVars {} OutVars{n3=v_n3_68} AuxVars[] AssignedVars[n3][386], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 11#L51true, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), 50#thread3EXITtrue, Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), 254#(and (<= i1 0) (<= 0 i1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,839 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,839 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,839 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,839 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,840 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] L68-->thread3FINAL: Formula: (= v_n3_14 0) InVars {} OutVars{n3=v_n3_14} AuxVars[] AssignedVars[n3][441], [Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 11#L51true, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 660#(and (<= 0 n3) (<= 0 n2)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 295#(and (<= 0 n1) (<= 0 n3)), Black: 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), 72#true, Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), 75#true, Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 485#(and (<= 0 n3) (<= n3 n1)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 230#e3, Black: 79#(and (<= i 0) (<= 0 i)), 621#true, 372#true, Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), 254#(and (<= i1 0) (<= 0 i1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2))]) [2021-04-29 05:30:35,840 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,840 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,840 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:35,840 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2021-04-29 05:30:36,135 INFO L129 PetriNetUnfolder]: 10381/22873 cut-off events. [2021-04-29 05:30:36,135 INFO L130 PetriNetUnfolder]: For 212666/216685 co-relation queries the response was YES. [2021-04-29 05:30:36,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140351 conditions, 22873 events. 10381/22873 cut-off events. For 212666/216685 co-relation queries the response was YES. Maximal size of possible extension queue 1157. Compared 240539 event pairs, 925 based on Foata normal form. 1127/19123 useless extension candidates. Maximal degree in co-relation 139208. Up to 4965 conditions per place. [2021-04-29 05:30:37,089 INFO L146 LiptonReduction]: Number of co-enabled transitions 12710 [2021-04-29 05:30:38,578 INFO L158 LiptonReduction]: Checked pairs total: 3191 [2021-04-29 05:30:38,579 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:30:38,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6634 [2021-04-29 05:30:38,580 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 773 transitions, 10622 flow [2021-04-29 05:30:38,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:38,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:30:38,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:30:38,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 05:30:38,580 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:30:38,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:30:38,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1369921554, now seen corresponding path program 13 times [2021-04-29 05:30:38,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:30:38,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081813818] [2021-04-29 05:30:38,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:30:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:30:38,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:38,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:38,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:38,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 05:30:38,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:38,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:30:38,646 INFO L142 QuantifierPusher]: treesize reduction 20, result has 25.9 percent of original size [2021-04-29 05:30:38,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:38,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:38,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:30:38,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:38,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:30:38,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:30:38,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:30:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:30:38,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081813818] [2021-04-29 05:30:38,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:30:38,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:30:38,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254441306] [2021-04-29 05:30:38,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 05:30:38,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:30:38,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 05:30:38,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-04-29 05:30:38,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:30:38,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 773 transitions, 10622 flow. Second operand has 8 states, 8 states have (on average 36.375) internal successors, (291), 8 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:38,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:30:38,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:30:38,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:30:46,975 INFO L129 PetriNetUnfolder]: 11278/24855 cut-off events. [2021-04-29 05:30:46,975 INFO L130 PetriNetUnfolder]: For 302736/311248 co-relation queries the response was YES. [2021-04-29 05:30:47,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169772 conditions, 24855 events. 11278/24855 cut-off events. For 302736/311248 co-relation queries the response was YES. Maximal size of possible extension queue 1175. Compared 261053 event pairs, 1112 based on Foata normal form. 2239/22896 useless extension candidates. Maximal degree in co-relation 168560. Up to 5062 conditions per place. [2021-04-29 05:30:47,325 INFO L132 encePairwiseOnDemand]: 46/63 looper letters, 414 selfloop transitions, 583 changer transitions 92/1174 dead transitions. [2021-04-29 05:30:47,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 1174 transitions, 18414 flow [2021-04-29 05:30:47,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 05:30:47,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 05:30:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 475 transitions. [2021-04-29 05:30:47,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.753968253968254 [2021-04-29 05:30:47,327 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 475 transitions. [2021-04-29 05:30:47,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 475 transitions. [2021-04-29 05:30:47,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:30:47,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 475 transitions. [2021-04-29 05:30:47,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 47.5) internal successors, (475), 10 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:47,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 63.0) internal successors, (693), 11 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:47,333 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 63.0) internal successors, (693), 11 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:30:47,333 INFO L185 Difference]: Start difference. First operand has 218 places, 773 transitions, 10622 flow. Second operand 10 states and 475 transitions. [2021-04-29 05:30:47,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 1174 transitions, 18414 flow [2021-04-29 05:30:51,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 1174 transitions, 18263 flow, removed 75 selfloop flow, removed 1 redundant places. [2021-04-29 05:30:51,690 INFO L241 Difference]: Finished difference. Result has 233 places, 921 transitions, 15004 flow [2021-04-29 05:30:51,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=10181, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=394, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=15004, PETRI_PLACES=233, PETRI_TRANSITIONS=921} [2021-04-29 05:30:51,691 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 175 predicate places. [2021-04-29 05:30:51,691 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:30:51,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 921 transitions, 15004 flow [2021-04-29 05:30:51,692 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 921 transitions, 15004 flow [2021-04-29 05:30:51,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 921 transitions, 15004 flow [2021-04-29 05:30:53,282 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L34-->thread1EXIT: Formula: (= v_n1_20 0) InVars {} OutVars{n1=v_n1_20} AuxVars[] AssignedVars[n1][168], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), 9#L62true, 10#thread1EXITtrue, Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, 32#L77true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), 294#(and (<= n1 n3) (<= 0 n1)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), 40#thread2EXITtrue, Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 588#(and (<= i2 0) (<= 0 i2)), 77#true, Black: 206#e2, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 486#(and (<= 0 n1) (<= 0 n3)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), Black: 230#e3, 748#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), 621#true, Black: 752#(and (<= n1 n3) (<= n2 (+ n3 1)) (<= 1 n2)), Black: 756#(and (<= n1 n3) (<= n2 n3) (<= 1 n2)), Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 744#(and (<= n2 n3) (<= 0 n2)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 745#(and (<= n2 (+ n3 1)) (<= 1 n2)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 746#(and (<= n2 n3) (<= 1 n2)), 251#true, Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 626#(and (<= 0 n3) (<= (+ n3 1) n2)), Black: 750#(and (<= 0 n3) (<= 0 n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:30:53,282 INFO L384 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2021-04-29 05:30:53,282 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:30:53,282 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:30:53,282 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:30:56,326 INFO L129 PetriNetUnfolder]: 8252/20273 cut-off events. [2021-04-29 05:30:56,326 INFO L130 PetriNetUnfolder]: For 278754/284156 co-relation queries the response was YES. [2021-04-29 05:30:56,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142815 conditions, 20273 events. 8252/20273 cut-off events. For 278754/284156 co-relation queries the response was YES. Maximal size of possible extension queue 1032. Compared 226091 event pairs, 1006 based on Foata normal form. 1127/17839 useless extension candidates. Maximal degree in co-relation 142550. Up to 4298 conditions per place. [2021-04-29 05:30:56,871 INFO L146 LiptonReduction]: Number of co-enabled transitions 11910 [2021-04-29 05:31:00,051 INFO L158 LiptonReduction]: Checked pairs total: 4114 [2021-04-29 05:31:00,051 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:31:00,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8361 [2021-04-29 05:31:00,053 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 921 transitions, 15004 flow [2021-04-29 05:31:00,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.375) internal successors, (291), 8 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:00,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:31:00,053 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:31:00,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 05:31:00,053 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:31:00,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:31:00,054 INFO L82 PathProgramCache]: Analyzing trace with hash 97418978, now seen corresponding path program 14 times [2021-04-29 05:31:00,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:31:00,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723989119] [2021-04-29 05:31:00,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:31:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:31:00,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:31:00,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:31:00,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:31:00,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:31:00,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:31:00,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:00,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:31:00,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:00,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:31:00,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:00,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:31:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:31:00,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723989119] [2021-04-29 05:31:00,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:31:00,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:31:00,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041266809] [2021-04-29 05:31:00,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:31:00,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:31:00,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:31:00,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:31:00,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:31:00,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 921 transitions, 15004 flow. Second operand has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:00,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:31:00,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:31:00,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:31:10,568 INFO L129 PetriNetUnfolder]: 11040/25640 cut-off events. [2021-04-29 05:31:10,569 INFO L130 PetriNetUnfolder]: For 444277/456319 co-relation queries the response was YES. [2021-04-29 05:31:10,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198356 conditions, 25640 events. 11040/25640 cut-off events. For 444277/456319 co-relation queries the response was YES. Maximal size of possible extension queue 1349. Compared 283468 event pairs, 1485 based on Foata normal form. 2353/24367 useless extension candidates. Maximal degree in co-relation 197962. Up to 9903 conditions per place. [2021-04-29 05:31:10,958 INFO L132 encePairwiseOnDemand]: 44/63 looper letters, 672 selfloop transitions, 438 changer transitions 162/1357 dead transitions. [2021-04-29 05:31:10,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 1357 transitions, 25380 flow [2021-04-29 05:31:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:31:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:31:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 529 transitions. [2021-04-29 05:31:10,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7633477633477633 [2021-04-29 05:31:10,959 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 529 transitions. [2021-04-29 05:31:10,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 529 transitions. [2021-04-29 05:31:10,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:31:10,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 529 transitions. [2021-04-29 05:31:10,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 48.09090909090909) internal successors, (529), 11 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:10,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:10,964 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:10,964 INFO L185 Difference]: Start difference. First operand has 233 places, 921 transitions, 15004 flow. Second operand 11 states and 529 transitions. [2021-04-29 05:31:10,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 1357 transitions, 25380 flow [2021-04-29 05:31:18,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 1357 transitions, 24954 flow, removed 210 selfloop flow, removed 2 redundant places. [2021-04-29 05:31:18,870 INFO L241 Difference]: Finished difference. Result has 250 places, 1019 transitions, 18636 flow [2021-04-29 05:31:18,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=13644, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=228, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18636, PETRI_PLACES=250, PETRI_TRANSITIONS=1019} [2021-04-29 05:31:18,871 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 192 predicate places. [2021-04-29 05:31:18,871 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:31:18,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 1019 transitions, 18636 flow [2021-04-29 05:31:18,871 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 1019 transitions, 18636 flow [2021-04-29 05:31:18,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 1019 transitions, 18636 flow [2021-04-29 05:31:21,203 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L34-->thread1EXIT: Formula: (= v_n1_20 0) InVars {} OutVars{n1=v_n1_20} AuxVars[] AssignedVars[n1][374], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), 9#L62true, 10#thread1EXITtrue, Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), 40#thread2EXITtrue, 817#true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 819#(and (<= n1 n3) (<= 0 n1) (<= n3 n2) (<= n2 n1)), Black: 820#(and (<= n1 n2) (<= 0 n1) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 821#(and (<= n1 n2) (<= 0 n1) (<= n3 n1)), Black: 822#(and (<= n1 n2) (<= 0 n1) (<= n3 n2)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 823#(and (<= n1 n2) (<= 0 n1)), Black: 824#(and (<= 1 n1) (<= n1 (+ n2 1))), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 825#(and (<= n1 n2) (<= 1 n1)), Black: 827#(and (<= n1 n2) (<= 1 n1) (<= n3 n2)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 829#(and (<= n1 n2) (<= 1 n1) (<= n3 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), 588#(and (<= i2 0) (<= 0 i2)), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), 621#true, Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 206#e2, 486#(and (<= 0 n1) (<= 0 n3)), Black: 230#e3, 748#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 752#(and (<= n1 n3) (<= n2 (+ n3 1)) (<= 1 n2)), Black: 756#(and (<= n1 n3) (<= n2 n3) (<= 1 n2)), Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 744#(and (<= n2 n3) (<= 0 n2)), Black: 745#(and (<= n2 (+ n3 1)) (<= 1 n2)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 746#(and (<= n2 n3) (<= 1 n2)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), 251#true, Black: 750#(and (<= 0 n3) (<= 0 n2)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:31:21,204 INFO L384 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2021-04-29 05:31:21,204 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:31:21,204 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:31:21,204 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-04-29 05:31:22,291 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([134] L65-->L66: Formula: (or (= v_n2_14 0) (and (not (< v_n2_14 v_n3_13)) (not (= v_n2_14 v_n3_13)))) InVars {n2=v_n2_14, n3=v_n3_13} OutVars{n2=v_n2_14, n3=v_n3_13} AuxVars[] AssignedVars[][495], [Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), 17#L66true, Black: 263#(and (<= 1 i) (<= i1 0) (<= 0 i1) (<= i 1)), Black: 267#(and (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= i1 0) (<= 0 i1)), Black: 253#(and (<= i 0) (<= 0 i)), Black: 254#(and (<= i1 0) (<= 0 i1)), 32#L77true, 40#thread2EXITtrue, 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), 817#true, 55#L32true, Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 819#(and (<= n1 n3) (<= 0 n1) (<= n3 n2) (<= n2 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 820#(and (<= n1 n2) (<= 0 n1) (<= n2 n1) (<= n3 n1)), Black: 821#(and (<= n1 n2) (<= 0 n1) (<= n3 n1)), Black: 294#(and (<= n1 n3) (<= 0 n1)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 822#(and (<= n1 n2) (<= 0 n1) (<= n3 n2)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 823#(and (<= n1 n2) (<= 0 n1)), Black: 301#(and (<= 1 n3) (< n3 n1)), Black: 824#(and (<= 1 n1) (<= n1 (+ n2 1))), Black: 825#(and (<= n1 n2) (<= 1 n1)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 827#(and (<= n1 n2) (<= 1 n1) (<= n3 n2)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 829#(and (<= n1 n2) (<= 1 n1) (<= n3 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, 597#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 601#(and (<= i2 0) (<= 2 i) (<= i 2) (<= 1 i3) (<= i3 1) (<= 0 i2)), Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), Black: 89#(and (<= i3 0) (<= 1 i) (<= i 1) (<= 0 i3)), Black: 93#(and (<= i3 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i3) (<= 1 i1)), Black: 79#(and (<= i 0) (<= 0 i)), 621#true, Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 629#(and (<= (+ n2 1) n3) (<= 1 n2)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), 384#(and (<= i2 0) (<= 1 i) (<= 0 i2) (<= i 1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 386#(and (<= i2 0) (<= i1 1) (<= 1 i) (<= 0 i2) (<= i 1) (<= 1 i1)), Black: 388#(and (<= i2 0) (<= 2 i) (<= i1 1) (<= i 2) (<= 0 i2) (<= 1 i1)), Black: 374#(and (<= i 0) (<= 0 i)), Black: 375#(and (<= i2 0) (<= 0 i2)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 414#true, Black: 657#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 658#(and (<= n3 n2) (<= n2 n3) (<= 0 n2)), Black: 659#(and (<= n2 n3) (<= 0 n2)), Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 669#(and (<= n1 n2) (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 206#e2, Black: 230#e3, 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), 748#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 752#(and (<= n1 n3) (<= n2 (+ n3 1)) (<= 1 n2)), Black: 756#(and (<= n1 n3) (<= n2 n3) (<= 1 n2)), Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 744#(and (<= n2 n3) (<= 0 n2)), Black: 499#(and (<= 1 n3) (<= n2 n1) (<= n3 n1)), Black: 745#(and (<= n2 (+ n3 1)) (<= 1 n2)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 746#(and (<= n2 n3) (<= 1 n2)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), 251#true, Black: 750#(and (<= 0 n3) (<= 0 n2)), Black: 486#(and (<= 0 n1) (<= 0 n3)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 488#(and (<= 1 n3) (<= 1 n1)), Black: 489#(and (<= 1 n3) (< n3 n1))]) [2021-04-29 05:31:22,291 INFO L384 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2021-04-29 05:31:22,291 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2021-04-29 05:31:22,291 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2021-04-29 05:31:22,291 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2021-04-29 05:31:24,449 INFO L129 PetriNetUnfolder]: 7750/20945 cut-off events. [2021-04-29 05:31:24,449 INFO L130 PetriNetUnfolder]: For 362016/368327 co-relation queries the response was YES. [2021-04-29 05:31:24,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154558 conditions, 20945 events. 7750/20945 cut-off events. For 362016/368327 co-relation queries the response was YES. Maximal size of possible extension queue 1242. Compared 250214 event pairs, 1169 based on Foata normal form. 1447/19578 useless extension candidates. Maximal degree in co-relation 153134. Up to 4183 conditions per place. [2021-04-29 05:31:25,027 INFO L146 LiptonReduction]: Number of co-enabled transitions 11892 [2021-04-29 05:31:27,158 INFO L158 LiptonReduction]: Checked pairs total: 6553 [2021-04-29 05:31:27,158 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:31:27,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8287 [2021-04-29 05:31:27,159 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 1019 transitions, 18636 flow [2021-04-29 05:31:27,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:27,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:31:27,160 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:31:27,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 05:31:27,160 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:31:27,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:31:27,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1346010498, now seen corresponding path program 15 times [2021-04-29 05:31:27,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:31:27,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832707225] [2021-04-29 05:31:27,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:31:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:31:27,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:27,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 05:31:27,213 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size [2021-04-29 05:31:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:31:27,218 INFO L142 QuantifierPusher]: treesize reduction 8, result has 73.3 percent of original size [2021-04-29 05:31:27,218 INFO L147 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size 19 [2021-04-29 05:31:27,222 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-04-29 05:31:27,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:31:27,226 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-04-29 05:31:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:31:27,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:27,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:31:27,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:27,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:27,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:27,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:27,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:27,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:27,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:27,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:27,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:27,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:31:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:31:27,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832707225] [2021-04-29 05:31:27,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:31:27,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:31:27,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314007302] [2021-04-29 05:31:27,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:31:27,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:31:27,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:31:27,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:31:27,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 63 [2021-04-29 05:31:27,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 1019 transitions, 18636 flow. Second operand has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:27,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:31:27,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 63 [2021-04-29 05:31:27,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:31:37,972 INFO L129 PetriNetUnfolder]: 9519/23352 cut-off events. [2021-04-29 05:31:37,972 INFO L130 PetriNetUnfolder]: For 480063/491078 co-relation queries the response was YES. [2021-04-29 05:31:38,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188261 conditions, 23352 events. 9519/23352 cut-off events. For 480063/491078 co-relation queries the response was YES. Maximal size of possible extension queue 1204. Compared 264155 event pairs, 1527 based on Foata normal form. 2731/23484 useless extension candidates. Maximal degree in co-relation 186859. Up to 4572 conditions per place. [2021-04-29 05:31:38,654 INFO L132 encePairwiseOnDemand]: 49/63 looper letters, 525 selfloop transitions, 474 changer transitions 78/1162 dead transitions. [2021-04-29 05:31:38,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 1162 transitions, 23430 flow [2021-04-29 05:31:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:31:38,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:31:38,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 491 transitions. [2021-04-29 05:31:38,657 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7085137085137085 [2021-04-29 05:31:38,657 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 491 transitions. [2021-04-29 05:31:38,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 491 transitions. [2021-04-29 05:31:38,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:31:38,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 491 transitions. [2021-04-29 05:31:38,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 44.63636363636363) internal successors, (491), 11 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:38,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:38,661 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:38,661 INFO L185 Difference]: Start difference. First operand has 249 places, 1019 transitions, 18636 flow. Second operand 11 states and 491 transitions. [2021-04-29 05:31:38,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 1162 transitions, 23430 flow [2021-04-29 05:31:45,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 1162 transitions, 23183 flow, removed 121 selfloop flow, removed 2 redundant places. [2021-04-29 05:31:45,231 INFO L241 Difference]: Finished difference. Result has 264 places, 994 transitions, 19989 flow [2021-04-29 05:31:45,231 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=17718, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=979, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=400, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19989, PETRI_PLACES=264, PETRI_TRANSITIONS=994} [2021-04-29 05:31:45,232 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 206 predicate places. [2021-04-29 05:31:45,232 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:31:45,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 994 transitions, 19989 flow [2021-04-29 05:31:45,232 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 994 transitions, 19989 flow [2021-04-29 05:31:45,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 994 transitions, 19989 flow [2021-04-29 05:31:50,659 INFO L129 PetriNetUnfolder]: 7143/19827 cut-off events. [2021-04-29 05:31:50,659 INFO L130 PetriNetUnfolder]: For 420647/427054 co-relation queries the response was YES. [2021-04-29 05:31:50,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155458 conditions, 19827 events. 7143/19827 cut-off events. For 420647/427054 co-relation queries the response was YES. Maximal size of possible extension queue 1156. Compared 237314 event pairs, 1116 based on Foata normal form. 1458/18626 useless extension candidates. Maximal degree in co-relation 154005. Up to 3876 conditions per place. [2021-04-29 05:31:51,213 INFO L146 LiptonReduction]: Number of co-enabled transitions 11448 [2021-04-29 05:31:53,796 INFO L158 LiptonReduction]: Checked pairs total: 6398 [2021-04-29 05:31:53,797 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:31:53,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8565 [2021-04-29 05:31:53,798 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 994 transitions, 19989 flow [2021-04-29 05:31:53,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 36.111111111111114) internal successors, (325), 9 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:53,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:31:53,798 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:31:53,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 05:31:53,799 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:31:53,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:31:53,799 INFO L82 PathProgramCache]: Analyzing trace with hash -269086762, now seen corresponding path program 16 times [2021-04-29 05:31:53,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:31:53,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948026511] [2021-04-29 05:31:53,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:31:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:31:53,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:53,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:53,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:53,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:53,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:53,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:53,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:53,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:53,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:31:53,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:53,868 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-29 05:31:53,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:31:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:31:53,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948026511] [2021-04-29 05:31:53,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:31:53,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:31:53,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87319342] [2021-04-29 05:31:53,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:31:53,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:31:53,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:31:53,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:31:53,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 63 [2021-04-29 05:31:53,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 994 transitions, 19989 flow. Second operand has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:31:53,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:31:53,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 63 [2021-04-29 05:31:53,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:32:03,594 INFO L129 PetriNetUnfolder]: 7368/20309 cut-off events. [2021-04-29 05:32:03,594 INFO L130 PetriNetUnfolder]: For 444734/455597 co-relation queries the response was YES. [2021-04-29 05:32:03,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162806 conditions, 20309 events. 7368/20309 cut-off events. For 444734/455597 co-relation queries the response was YES. Maximal size of possible extension queue 1133. Compared 242260 event pairs, 1134 based on Foata normal form. 2220/19704 useless extension candidates. Maximal degree in co-relation 161300. Up to 3904 conditions per place. [2021-04-29 05:32:03,921 INFO L132 encePairwiseOnDemand]: 55/63 looper letters, 49 selfloop transitions, 39 changer transitions 134/1011 dead transitions. [2021-04-29 05:32:03,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 1011 transitions, 20287 flow [2021-04-29 05:32:03,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:32:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:32:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 622 transitions. [2021-04-29 05:32:03,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8975468975468975 [2021-04-29 05:32:03,924 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 622 transitions. [2021-04-29 05:32:03,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 622 transitions. [2021-04-29 05:32:03,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:32:03,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 622 transitions. [2021-04-29 05:32:03,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.54545454545455) internal successors, (622), 11 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:03,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:03,928 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:03,928 INFO L185 Difference]: Start difference. First operand has 263 places, 994 transitions, 19989 flow. Second operand 11 states and 622 transitions. [2021-04-29 05:32:03,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 1011 transitions, 20287 flow [2021-04-29 05:32:12,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 1011 transitions, 20086 flow, removed 100 selfloop flow, removed 1 redundant places. [2021-04-29 05:32:12,516 INFO L241 Difference]: Finished difference. Result has 275 places, 865 transitions, 16936 flow [2021-04-29 05:32:12,516 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=19788, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=958, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16936, PETRI_PLACES=275, PETRI_TRANSITIONS=865} [2021-04-29 05:32:12,516 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 217 predicate places. [2021-04-29 05:32:12,517 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:32:12,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 865 transitions, 16936 flow [2021-04-29 05:32:12,517 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 865 transitions, 16936 flow [2021-04-29 05:32:12,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 865 transitions, 16936 flow [2021-04-29 05:32:17,643 INFO L129 PetriNetUnfolder]: 6935/19174 cut-off events. [2021-04-29 05:32:17,644 INFO L130 PetriNetUnfolder]: For 393200/399523 co-relation queries the response was YES. [2021-04-29 05:32:17,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151196 conditions, 19174 events. 6935/19174 cut-off events. For 393200/399523 co-relation queries the response was YES. Maximal size of possible extension queue 1153. Compared 228508 event pairs, 1047 based on Foata normal form. 1413/17952 useless extension candidates. Maximal degree in co-relation 150421. Up to 3868 conditions per place. [2021-04-29 05:32:18,175 INFO L146 LiptonReduction]: Number of co-enabled transitions 10968 [2021-04-29 05:32:19,601 INFO L158 LiptonReduction]: Checked pairs total: 4846 [2021-04-29 05:32:19,601 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:32:19,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7084 [2021-04-29 05:32:19,602 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 865 transitions, 16936 flow [2021-04-29 05:32:19,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:19,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:32:19,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:32:19,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 05:32:19,603 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:32:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:32:19,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1839744628, now seen corresponding path program 17 times [2021-04-29 05:32:19,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:32:19,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169353917] [2021-04-29 05:32:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:32:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:32:19,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:19,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:32:19,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:19,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:32:19,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:19,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:32:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:32:19,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169353917] [2021-04-29 05:32:19,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:32:19,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 05:32:19,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157508995] [2021-04-29 05:32:19,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 05:32:19,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:32:19,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 05:32:19,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 05:32:19,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 63 [2021-04-29 05:32:19,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 865 transitions, 16936 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:19,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:32:19,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 63 [2021-04-29 05:32:19,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:32:25,002 INFO L129 PetriNetUnfolder]: 5362/16130 cut-off events. [2021-04-29 05:32:25,003 INFO L130 PetriNetUnfolder]: For 336396/342668 co-relation queries the response was YES. [2021-04-29 05:32:25,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125367 conditions, 16130 events. 5362/16130 cut-off events. For 336396/342668 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 195376 event pairs, 863 based on Foata normal form. 1189/15306 useless extension candidates. Maximal degree in co-relation 124820. Up to 3241 conditions per place. [2021-04-29 05:32:25,241 INFO L132 encePairwiseOnDemand]: 58/63 looper letters, 3 selfloop transitions, 79 changer transitions 6/766 dead transitions. [2021-04-29 05:32:25,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 766 transitions, 15013 flow [2021-04-29 05:32:25,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 05:32:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 05:32:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2021-04-29 05:32:25,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9153439153439153 [2021-04-29 05:32:25,242 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 173 transitions. [2021-04-29 05:32:25,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 173 transitions. [2021-04-29 05:32:25,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:32:25,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 173 transitions. [2021-04-29 05:32:25,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:25,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:25,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:25,244 INFO L185 Difference]: Start difference. First operand has 273 places, 865 transitions, 16936 flow. Second operand 3 states and 173 transitions. [2021-04-29 05:32:25,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 766 transitions, 15013 flow [2021-04-29 05:32:30,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 766 transitions, 14526 flow, removed 194 selfloop flow, removed 15 redundant places. [2021-04-29 05:32:30,553 INFO L241 Difference]: Finished difference. Result has 261 places, 760 transitions, 14484 flow [2021-04-29 05:32:30,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=14362, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=766, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=687, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=14484, PETRI_PLACES=261, PETRI_TRANSITIONS=760} [2021-04-29 05:32:30,553 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 203 predicate places. [2021-04-29 05:32:30,554 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:32:30,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 760 transitions, 14484 flow [2021-04-29 05:32:30,554 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 760 transitions, 14484 flow [2021-04-29 05:32:30,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 760 transitions, 14484 flow [2021-04-29 05:32:34,345 INFO L129 PetriNetUnfolder]: 5419/16288 cut-off events. [2021-04-29 05:32:34,345 INFO L130 PetriNetUnfolder]: For 309975/315144 co-relation queries the response was YES. [2021-04-29 05:32:34,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121049 conditions, 16288 events. 5419/16288 cut-off events. For 309975/315144 co-relation queries the response was YES. Maximal size of possible extension queue 1053. Compared 197994 event pairs, 856 based on Foata normal form. 1063/15458 useless extension candidates. Maximal degree in co-relation 120624. Up to 3353 conditions per place. [2021-04-29 05:32:34,796 INFO L146 LiptonReduction]: Number of co-enabled transitions 8144 [2021-04-29 05:32:41,955 INFO L158 LiptonReduction]: Checked pairs total: 579 [2021-04-29 05:32:41,956 INFO L160 LiptonReduction]: Total number of compositions: 10 [2021-04-29 05:32:41,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11402 [2021-04-29 05:32:41,957 INFO L480 AbstractCegarLoop]: Abstraction has has 264 places, 763 transitions, 14496 flow [2021-04-29 05:32:41,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:41,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:32:41,957 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:32:41,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 05:32:41,958 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:32:41,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:32:41,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1869123460, now seen corresponding path program 18 times [2021-04-29 05:32:41,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:32:41,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837054785] [2021-04-29 05:32:41,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:32:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:32:41,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:41,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:32:41,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:41,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:32:42,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:42,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:32:42,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:42,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:32:42,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:42,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:32:42,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:32:42,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:32:42,047 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-29 05:32:42,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:32:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:32:42,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837054785] [2021-04-29 05:32:42,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:32:42,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 05:32:42,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954118307] [2021-04-29 05:32:42,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:32:42,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:32:42,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:32:42,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:32:42,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 73 [2021-04-29 05:32:42,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 763 transitions, 14496 flow. Second operand has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:42,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:32:42,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 73 [2021-04-29 05:32:42,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:32:49,474 INFO L129 PetriNetUnfolder]: 5522/16807 cut-off events. [2021-04-29 05:32:49,474 INFO L130 PetriNetUnfolder]: For 309767/316973 co-relation queries the response was YES. [2021-04-29 05:32:49,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124749 conditions, 16807 events. 5522/16807 cut-off events. For 309767/316973 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 207304 event pairs, 950 based on Foata normal form. 1276/15543 useless extension candidates. Maximal degree in co-relation 124342. Up to 3194 conditions per place. [2021-04-29 05:32:49,725 INFO L132 encePairwiseOnDemand]: 61/73 looper letters, 52 selfloop transitions, 38 changer transitions 2/774 dead transitions. [2021-04-29 05:32:49,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 774 transitions, 14750 flow [2021-04-29 05:32:49,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 05:32:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 05:32:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 631 transitions. [2021-04-29 05:32:49,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7858032378580324 [2021-04-29 05:32:49,727 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 631 transitions. [2021-04-29 05:32:49,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 631 transitions. [2021-04-29 05:32:49,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:32:49,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 631 transitions. [2021-04-29 05:32:49,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.36363636363637) internal successors, (631), 11 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:49,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 73.0) internal successors, (876), 12 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:49,731 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 73.0) internal successors, (876), 12 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:32:49,731 INFO L185 Difference]: Start difference. First operand has 264 places, 763 transitions, 14496 flow. Second operand 11 states and 631 transitions. [2021-04-29 05:32:49,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 774 transitions, 14750 flow [2021-04-29 05:32:55,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 774 transitions, 14503 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-29 05:32:55,626 INFO L241 Difference]: Finished difference. Result has 272 places, 763 transitions, 14302 flow [2021-04-29 05:32:55,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=14249, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=727, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=14302, PETRI_PLACES=272, PETRI_TRANSITIONS=763} [2021-04-29 05:32:55,630 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 214 predicate places. [2021-04-29 05:32:55,630 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:32:55,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 272 places, 763 transitions, 14302 flow [2021-04-29 05:32:55,632 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 272 places, 763 transitions, 14302 flow [2021-04-29 05:32:55,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 763 transitions, 14302 flow [2021-04-29 05:32:59,762 INFO L129 PetriNetUnfolder]: 5531/16767 cut-off events. [2021-04-29 05:32:59,762 INFO L130 PetriNetUnfolder]: For 304529/309223 co-relation queries the response was YES. [2021-04-29 05:33:00,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123872 conditions, 16767 events. 5531/16767 cut-off events. For 304529/309223 co-relation queries the response was YES. Maximal size of possible extension queue 1142. Compared 206503 event pairs, 916 based on Foata normal form. 864/15448 useless extension candidates. Maximal degree in co-relation 123189. Up to 3415 conditions per place. [2021-04-29 05:33:00,671 INFO L146 LiptonReduction]: Number of co-enabled transitions 8544 [2021-04-29 05:33:01,757 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:33:01,757 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:33:01,758 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6128 [2021-04-29 05:33:01,759 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 763 transitions, 14302 flow [2021-04-29 05:33:01,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 53.888888888888886) internal successors, (485), 9 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:01,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:33:01,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:33:01,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 05:33:01,760 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:33:01,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:33:01,760 INFO L82 PathProgramCache]: Analyzing trace with hash -199006275, now seen corresponding path program 1 times [2021-04-29 05:33:01,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:33:01,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26906593] [2021-04-29 05:33:01,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:33:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:33:01,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:01,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:33:01,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:01,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:33:01,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:01,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:33:01,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:01,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:33:01,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:01,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:01,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:01,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:33:01,829 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-04-29 05:33:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:33:01,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:01,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:33:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:33:01,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26906593] [2021-04-29 05:33:01,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:33:01,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 05:33:01,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745582126] [2021-04-29 05:33:01,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 05:33:01,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:33:01,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 05:33:01,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-04-29 05:33:01,843 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 73 [2021-04-29 05:33:01,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 763 transitions, 14302 flow. Second operand has 7 states, 7 states have (on average 46.714285714285715) internal successors, (327), 7 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:01,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:33:01,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 73 [2021-04-29 05:33:01,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:33:09,219 INFO L129 PetriNetUnfolder]: 6801/18459 cut-off events. [2021-04-29 05:33:09,219 INFO L130 PetriNetUnfolder]: For 396252/404470 co-relation queries the response was YES. [2021-04-29 05:33:09,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147481 conditions, 18459 events. 6801/18459 cut-off events. For 396252/404470 co-relation queries the response was YES. Maximal size of possible extension queue 1083. Compared 216046 event pairs, 1679 based on Foata normal form. 746/17022 useless extension candidates. Maximal degree in co-relation 146887. Up to 10842 conditions per place. [2021-04-29 05:33:09,521 INFO L132 encePairwiseOnDemand]: 62/73 looper letters, 623 selfloop transitions, 55 changer transitions 12/785 dead transitions. [2021-04-29 05:33:09,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 785 transitions, 15899 flow [2021-04-29 05:33:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 05:33:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 05:33:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 375 transitions. [2021-04-29 05:33:09,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7338551859099804 [2021-04-29 05:33:09,523 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 375 transitions. [2021-04-29 05:33:09,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 375 transitions. [2021-04-29 05:33:09,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:33:09,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 375 transitions. [2021-04-29 05:33:09,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 53.57142857142857) internal successors, (375), 7 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:09,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 73.0) internal successors, (584), 8 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:09,525 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 73.0) internal successors, (584), 8 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:09,525 INFO L185 Difference]: Start difference. First operand has 272 places, 763 transitions, 14302 flow. Second operand 7 states and 375 transitions. [2021-04-29 05:33:09,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 785 transitions, 15899 flow [2021-04-29 05:33:14,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 785 transitions, 15699 flow, removed 20 selfloop flow, removed 15 redundant places. [2021-04-29 05:33:14,453 INFO L241 Difference]: Finished difference. Result has 264 places, 730 transitions, 13527 flow [2021-04-29 05:33:14,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=13604, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=741, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=686, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=13527, PETRI_PLACES=264, PETRI_TRANSITIONS=730} [2021-04-29 05:33:14,454 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 206 predicate places. [2021-04-29 05:33:14,454 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:33:14,454 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 730 transitions, 13527 flow [2021-04-29 05:33:14,454 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 730 transitions, 13527 flow [2021-04-29 05:33:14,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 730 transitions, 13527 flow [2021-04-29 05:33:17,695 INFO L129 PetriNetUnfolder]: 5228/16107 cut-off events. [2021-04-29 05:33:17,695 INFO L130 PetriNetUnfolder]: For 291246/295987 co-relation queries the response was YES. [2021-04-29 05:33:17,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115910 conditions, 16107 events. 5228/16107 cut-off events. For 291246/295987 co-relation queries the response was YES. Maximal size of possible extension queue 1046. Compared 198569 event pairs, 906 based on Foata normal form. 814/14867 useless extension candidates. Maximal degree in co-relation 115251. Up to 3290 conditions per place. [2021-04-29 05:33:18,484 INFO L146 LiptonReduction]: Number of co-enabled transitions 8060 [2021-04-29 05:33:29,139 INFO L158 LiptonReduction]: Checked pairs total: 1055 [2021-04-29 05:33:29,139 INFO L160 LiptonReduction]: Total number of compositions: 18 [2021-04-29 05:33:29,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14686 [2021-04-29 05:33:29,141 INFO L480 AbstractCegarLoop]: Abstraction has has 269 places, 736 transitions, 13551 flow [2021-04-29 05:33:29,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 46.714285714285715) internal successors, (327), 7 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:29,141 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:33:29,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:33:29,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 05:33:29,142 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:33:29,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:33:29,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1202429270, now seen corresponding path program 1 times [2021-04-29 05:33:29,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:33:29,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134126307] [2021-04-29 05:33:29,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:33:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:33:29,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:29,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:33:29,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:33:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:29,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:29,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:29,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:29,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:29,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:29,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:29,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:29,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:29,223 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 05:33:29,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:33:29,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:29,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:33:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:33:29,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134126307] [2021-04-29 05:33:29,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:33:29,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:33:29,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124112876] [2021-04-29 05:33:29,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:33:29,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:33:29,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:33:29,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:33:29,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 91 [2021-04-29 05:33:29,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 736 transitions, 13551 flow. Second operand has 9 states, 9 states have (on average 64.11111111111111) internal successors, (577), 9 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:29,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:33:29,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 91 [2021-04-29 05:33:29,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:33:37,976 INFO L129 PetriNetUnfolder]: 7574/22164 cut-off events. [2021-04-29 05:33:37,977 INFO L130 PetriNetUnfolder]: For 444751/450371 co-relation queries the response was YES. [2021-04-29 05:33:38,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167623 conditions, 22164 events. 7574/22164 cut-off events. For 444751/450371 co-relation queries the response was YES. Maximal size of possible extension queue 1412. Compared 277256 event pairs, 893 based on Foata normal form. 1012/19951 useless extension candidates. Maximal degree in co-relation 167039. Up to 4818 conditions per place. [2021-04-29 05:33:38,324 INFO L132 encePairwiseOnDemand]: 76/91 looper letters, 543 selfloop transitions, 393 changer transitions 68/1105 dead transitions. [2021-04-29 05:33:38,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 1105 transitions, 22424 flow [2021-04-29 05:33:38,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 05:33:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 05:33:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 878 transitions. [2021-04-29 05:33:38,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8040293040293041 [2021-04-29 05:33:38,327 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 878 transitions. [2021-04-29 05:33:38,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 878 transitions. [2021-04-29 05:33:38,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:33:38,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 878 transitions. [2021-04-29 05:33:38,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 73.16666666666667) internal successors, (878), 12 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:38,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 91.0) internal successors, (1183), 13 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:38,331 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 91.0) internal successors, (1183), 13 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:38,331 INFO L185 Difference]: Start difference. First operand has 269 places, 736 transitions, 13551 flow. Second operand 12 states and 878 transitions. [2021-04-29 05:33:38,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 1105 transitions, 22424 flow [2021-04-29 05:33:44,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 1105 transitions, 22052 flow, removed 44 selfloop flow, removed 5 redundant places. [2021-04-29 05:33:44,427 INFO L241 Difference]: Finished difference. Result has 285 places, 845 transitions, 17315 flow [2021-04-29 05:33:44,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=13308, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17315, PETRI_PLACES=285, PETRI_TRANSITIONS=845} [2021-04-29 05:33:44,428 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 227 predicate places. [2021-04-29 05:33:44,429 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:33:44,429 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 845 transitions, 17315 flow [2021-04-29 05:33:44,429 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 845 transitions, 17315 flow [2021-04-29 05:33:44,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 285 places, 845 transitions, 17315 flow [2021-04-29 05:33:49,451 INFO L129 PetriNetUnfolder]: 5870/19586 cut-off events. [2021-04-29 05:33:49,451 INFO L130 PetriNetUnfolder]: For 424644/429259 co-relation queries the response was YES. [2021-04-29 05:33:49,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144462 conditions, 19586 events. 5870/19586 cut-off events. For 424644/429259 co-relation queries the response was YES. Maximal size of possible extension queue 1434. Compared 258691 event pairs, 941 based on Foata normal form. 648/16918 useless extension candidates. Maximal degree in co-relation 144079. Up to 3554 conditions per place. [2021-04-29 05:33:49,967 INFO L146 LiptonReduction]: Number of co-enabled transitions 9818 [2021-04-29 05:33:53,801 INFO L158 LiptonReduction]: Checked pairs total: 117 [2021-04-29 05:33:53,801 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 05:33:53,801 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9372 [2021-04-29 05:33:53,802 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 847 transitions, 17323 flow [2021-04-29 05:33:53,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 64.11111111111111) internal successors, (577), 9 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:53,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:33:53,803 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:33:53,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 05:33:53,803 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:33:53,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:33:53,804 INFO L82 PathProgramCache]: Analyzing trace with hash 2128097129, now seen corresponding path program 1 times [2021-04-29 05:33:53,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:33:53,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194941390] [2021-04-29 05:33:53,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:33:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:33:53,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:33:53,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:33:53,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:33:53,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:33:53,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:33:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:53,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:33:53,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:33:53,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:33:53,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:33:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:33:53,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194941390] [2021-04-29 05:33:53,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:33:53,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:33:53,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302528036] [2021-04-29 05:33:53,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:33:53,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:33:53,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:33:53,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:33:53,917 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:33:53,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 847 transitions, 17323 flow. Second operand has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:33:53,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:33:53,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:33:53,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:34:04,575 INFO L129 PetriNetUnfolder]: 8221/24048 cut-off events. [2021-04-29 05:34:04,575 INFO L130 PetriNetUnfolder]: For 567192/572173 co-relation queries the response was YES. [2021-04-29 05:34:04,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188496 conditions, 24048 events. 8221/24048 cut-off events. For 567192/572173 co-relation queries the response was YES. Maximal size of possible extension queue 1659. Compared 303526 event pairs, 825 based on Foata normal form. 1165/21338 useless extension candidates. Maximal degree in co-relation 187904. Up to 4620 conditions per place. [2021-04-29 05:34:04,961 INFO L132 encePairwiseOnDemand]: 75/93 looper letters, 549 selfloop transitions, 543 changer transitions 80/1275 dead transitions. [2021-04-29 05:34:04,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 1275 transitions, 29107 flow [2021-04-29 05:34:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 05:34:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 05:34:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1043 transitions. [2021-04-29 05:34:04,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8010752688172043 [2021-04-29 05:34:04,963 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1043 transitions. [2021-04-29 05:34:04,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1043 transitions. [2021-04-29 05:34:04,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:34:04,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1043 transitions. [2021-04-29 05:34:04,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 74.5) internal successors, (1043), 14 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:04,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:04,968 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:04,968 INFO L185 Difference]: Start difference. First operand has 287 places, 847 transitions, 17323 flow. Second operand 14 states and 1043 transitions. [2021-04-29 05:34:04,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 1275 transitions, 29107 flow [2021-04-29 05:34:11,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 1275 transitions, 28904 flow, removed 100 selfloop flow, removed 2 redundant places. [2021-04-29 05:34:11,418 INFO L241 Difference]: Finished difference. Result has 308 places, 1001 transitions, 22710 flow [2021-04-29 05:34:11,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=16823, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=830, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22710, PETRI_PLACES=308, PETRI_TRANSITIONS=1001} [2021-04-29 05:34:11,419 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 250 predicate places. [2021-04-29 05:34:11,419 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:34:11,419 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 308 places, 1001 transitions, 22710 flow [2021-04-29 05:34:11,419 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 308 places, 1001 transitions, 22710 flow [2021-04-29 05:34:11,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 308 places, 1001 transitions, 22710 flow [2021-04-29 05:34:16,094 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([134] L65-->L66: Formula: (or (= v_n2_14 0) (and (not (< v_n2_14 v_n3_13)) (not (= v_n2_14 v_n3_13)))) InVars {n2=v_n2_14, n3=v_n3_13} OutVars{n2=v_n2_14, n3=v_n3_13} AuxVars[] AssignedVars[][259], [Black: 491#(and (<= 1 n1) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 1772#(and (<= 0 n3) (<= n2 n1) (<= 1 n2)), Black: 1774#(and (<= n1 n3) (<= n2 n1) (<= 1 n2)), Black: 495#(and (<= 1 n1) (<= 0 n3) (<= n3 n1)), 10#thread1EXITtrue, Black: 1034#e1, 17#L66true, 32#L77true, 294#(and (<= n1 n3) (<= 0 n1)), Black: 1317#(and (<= 1 i2) (<= i3 0) (<= 2 i1) (< 2 i) (<= i 3) (<= i2 1) (<= i1 2) (<= 0 i3)), 40#thread2EXITtrue, 817#true, Black: 1326#(and (< n2 (+ n3 1)) (<= 1 n2)), Black: 819#(and (<= n1 n3) (<= 0 n1) (<= n3 n2) (<= n2 n1)), Black: 292#(and (<= n1 n3) (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 293#(and (<= n1 n3) (<= 0 n3) (<= n3 n1)), Black: 820#(and (<= n1 n2) (<= 0 n1) (<= n2 n1) (<= n3 n1)), Black: 821#(and (<= n1 n2) (<= 0 n1) (<= n3 n1)), Black: 822#(and (<= n1 n2) (<= 0 n1) (<= n3 n2)), Black: 295#(and (<= 0 n1) (<= 0 n3)), Black: 823#(and (<= n1 n2) (<= 0 n1)), Black: 296#(and (<= 1 n1) (<= 0 n3)), Black: 824#(and (<= 1 n1) (<= n1 (+ n2 1))), Black: 825#(and (<= n1 n2) (<= 1 n1)), Black: 303#(and (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 305#(and (<= n1 n3) (< n2 n1) (<= 1 n1)), Black: 827#(and (<= n1 n2) (<= 1 n1) (<= n3 n2)), Black: 307#(and (<= n1 n3) (<= 1 n1)), Black: 829#(and (<= n1 n2) (<= 1 n1) (<= n3 n1)), Black: 309#(and (or (<= 1 n3) (<= 1 n2)) (< n2 n1) (<= 1 n1) (<= 0 n3)), Black: 311#(and (<= 1 n1) (<= 0 n3) (or (<= 1 n3) (and (< n2 n1) (<= 1 n2)))), Black: 313#(and (< n2 n1) (or (and (<= 1 n3) (< n3 n1)) (<= 1 n2)) (<= 0 n3)), Black: 315#(and (<= 0 n3) (or (and (<= 1 n3) (< n3 n1)) (and (< n2 n1) (<= 1 n2)))), Black: 317#(and (<= 1 n3) (< n2 n1) (< n3 n1)), 77#true, Black: 607#(and (<= i2 0) (<= 2 i1) (< 2 i) (<= i 3) (<= 1 i3) (<= i3 1) (<= 0 i2) (<= i1 2)), 621#true, 1904#(and (<= 1 n3) (<= 0 n1) (<= n2 n3)), Black: 1906#(and (<= 1 n3) (<= 1 n1) (<= n2 n3)), Black: 1908#(and (<= n1 n2) (<= 1 n3) (<= 0 n1) (<= n2 n3)), Black: 1894#(and (<= n1 n2) (<= 0 n1) (<= n2 n3) (<= n2 n1)), Black: 625#(and (<= n3 n2) (<= 0 n3)), Black: 1910#(and (<= 1 n3) (<= (+ n3 1) n1) (<= n2 n3)), Black: 1895#(and (<= n1 n2) (<= 0 n1) (<= n2 n3)), Black: 627#(and (<= n1 n3) (<= 0 n3) (<= (+ n3 1) n2)), Black: 1896#(and (<= 0 n1) (<= 0 n3) (<= n2 n3)), Black: 628#(and (= n3 n2) (<= 1 n2)), Black: 1897#(and (<= 0 n1) (<= 0 n3)), Black: 1899#(and (<= 1 n3) (<= 1 n1)), Black: 631#(and (<= 0 n3) (<= n3 n1) (<= (+ n3 1) n2)), Black: 1900#(and (<= 1 n3) (<= (+ n3 1) n1)), Black: 633#(and (<= 0 n3) (<= n2 n1) (<= (+ n3 1) n2)), Black: 1902#(and (<= n1 n2) (<= 1 n3) (<= 0 n1) (<= n2 n3) (<= n2 n1)), Black: 623#(and (<= n3 n2) (<= 0 n3) (<= n2 n1)), Black: 394#(and (<= i2 0) (<= i1 1) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= 0 i2) (<= 1 i1)), 665#(and (<= 1 n3) (<= n2 n3) (<= 0 n2)), 921#(and (<= 0 n1) (<= 0 n3) (<= 0 n2)), 414#true, Black: 660#(and (<= 0 n3) (<= 0 n2)), Black: 661#(and (<= 1 n3) (<= 0 n2)), Black: 662#(and (<= 1 n3) (<= 1 n2)), Black: 663#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 667#(and (<= n3 n2) (<= n2 n3) (<= 1 n2)), Black: 929#(and (<= n1 n3) (<= 1 n1) (<= 0 n2)), Black: 416#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), Black: 671#(and (<= n2 n3) (<= 1 n2)), Black: 417#(and (<= n2 n3) (<= 0 n2)), Black: 931#(and (<= n1 n3) (<= 1 n1) (<= n3 n2)), 173#true, Black: 418#(and (<= 0 n2) (<= (+ n2 1) n3)), Black: 933#(and (<= 1 n3) (<= 1 n1) (<= 0 n2)), Black: 419#(and (<= n1 n2) (<= 0 n2) (<= (+ n2 1) n3)), Black: 920#(and (<= 0 n1) (<= n3 n2) (<= 0 n3)), Black: 420#(and (<= 1 n3) (= n3 n2)), Black: 421#(and (<= 1 n3) (<= (+ n3 1) n2)), Black: 423#(and (<= n1 n3) (<= 0 n2) (<= (+ n2 1) n3)), Black: 425#(and (<= n1 n3) (<= 1 n3) (= n3 n2)), Black: 176#(and (<= (+ n3 1) n1) (<= 1 n1) (<= (+ n2 1) n1)), Black: 177#(and (<= (+ n3 1) n1) (<= 1 n1) (= n2 n1)), Black: 179#(and (<= 1 n1) (<= (+ n1 1) n2)), Black: 206#e2, 486#(and (<= 0 n1) (<= 0 n3)), 1768#(and (<= 0 n3) (<= n2 n1) (<= 0 n2)), Black: 230#e3, 748#(and (<= n1 n3) (<= n2 n3) (<= 0 n2)), 1013#(and (<= 1 i2) (<= 2 i) (<= i 2) (<= i2 1) (<= i1 0) (<= 0 i1)), Black: 752#(and (<= n1 n3) (<= n2 (+ n3 1)) (<= 1 n2)), Black: 756#(and (<= n1 n3) (<= n2 n3) (<= 1 n2)), Black: 497#(and (<= 1 n3) (<= n3 n1)), Black: 744#(and (<= n2 n3) (<= 0 n2)), Black: 1776#(and (<= 1 n1) (<= 0 n3) (<= 1 n2)), Black: 1778#(and (< n1 (+ n2 1)) (<= 1 n1) (<= 0 n3)), Black: 745#(and (<= n2 (+ n3 1)) (<= 1 n2)), Black: 484#(and (<= 0 n3) (<= n2 n1) (<= n3 n1)), Black: 485#(and (<= 0 n3) (<= n3 n1)), Black: 746#(and (<= n2 n3) (<= 1 n2)), Black: 1780#(and (< n1 (+ n2 1)) (<= 1 n1) (<= 0 n3) (<= n2 n1)), Black: 1764#(and (<= n1 n3) (<= n2 n1) (<= 0 n2)), Black: 501#(and (<= 1 n3) (<= n2 n1) (< n3 n1)), Black: 750#(and (<= 0 n3) (<= 0 n2)), Black: 1782#(and (<= n1 n3) (< n1 (+ n2 1)) (<= 1 n1) (<= n2 n1)), Black: 487#(and (<= 1 n1) (<= 0 n3)), Black: 1766#(and (<= 0 n1) (<= 0 n3) (<= 0 n2)), Black: 488#(and (<= 1 n3) (<= 1 n1)), 254#(and (<= i1 0) (<= 0 i1)), Black: 489#(and (<= 1 n3) (< n3 n1)), Black: 1019#(and (<= 1 i2) (< 2 i) (<= i 3) (<= i3 2) (<= 2 i3) (<= i2 1) (<= i1 0) (<= 0 i1)), Black: 1770#(and (<= 0 n1) (<= 0 n3) (<= 1 n2))]) [2021-04-29 05:34:16,094 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is not cut-off event [2021-04-29 05:34:16,094 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-04-29 05:34:16,095 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-04-29 05:34:16,095 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-04-29 05:34:17,209 INFO L129 PetriNetUnfolder]: 6484/21631 cut-off events. [2021-04-29 05:34:17,210 INFO L130 PetriNetUnfolder]: For 504541/508794 co-relation queries the response was YES. [2021-04-29 05:34:17,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166642 conditions, 21631 events. 6484/21631 cut-off events. For 504541/508794 co-relation queries the response was YES. Maximal size of possible extension queue 1692. Compared 290745 event pairs, 982 based on Foata normal form. 490/18113 useless extension candidates. Maximal degree in co-relation 166199. Up to 3332 conditions per place. [2021-04-29 05:34:18,255 INFO L146 LiptonReduction]: Number of co-enabled transitions 10916 [2021-04-29 05:34:20,126 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:34:20,126 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:34:20,127 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8708 [2021-04-29 05:34:20,128 INFO L480 AbstractCegarLoop]: Abstraction has has 308 places, 1001 transitions, 22710 flow [2021-04-29 05:34:20,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:20,128 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:34:20,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:34:20,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 05:34:20,129 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:34:20,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:34:20,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1499513114, now seen corresponding path program 1 times [2021-04-29 05:34:20,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:34:20,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157753404] [2021-04-29 05:34:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:34:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:34:20,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:20,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 05:34:20,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:20,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 05:34:20,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:34:20,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:20,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:34:20,214 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 05:34:20,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 05:34:20,221 INFO L142 QuantifierPusher]: treesize reduction 38, result has 35.6 percent of original size [2021-04-29 05:34:20,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 05:34:20,240 INFO L142 QuantifierPusher]: treesize reduction 38, result has 15.6 percent of original size [2021-04-29 05:34:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:34:20,250 INFO L142 QuantifierPusher]: treesize reduction 35, result has 23.9 percent of original size [2021-04-29 05:34:20,251 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-04-29 05:34:20,264 INFO L142 QuantifierPusher]: treesize reduction 21, result has 51.2 percent of original size [2021-04-29 05:34:20,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 05:34:20,282 INFO L142 QuantifierPusher]: treesize reduction 37, result has 19.6 percent of original size [2021-04-29 05:34:20,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:34:20,293 INFO L142 QuantifierPusher]: treesize reduction 34, result has 2.9 percent of original size [2021-04-29 05:34:20,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:34:20,295 INFO L142 QuantifierPusher]: treesize reduction 32, result has 3.0 percent of original size [2021-04-29 05:34:20,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:34:20,296 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-04-29 05:34:20,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:34:20,297 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-04-29 05:34:20,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:34:20,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:20,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:34:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:34:20,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157753404] [2021-04-29 05:34:20,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:34:20,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:34:20,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664010253] [2021-04-29 05:34:20,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:34:20,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:34:20,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:34:20,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:34:20,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:34:20,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 1001 transitions, 22710 flow. Second operand has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:20,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:34:20,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:34:20,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:34:30,482 INFO L129 PetriNetUnfolder]: 6448/20536 cut-off events. [2021-04-29 05:34:30,482 INFO L130 PetriNetUnfolder]: For 530308/534940 co-relation queries the response was YES. [2021-04-29 05:34:30,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171181 conditions, 20536 events. 6448/20536 cut-off events. For 530308/534940 co-relation queries the response was YES. Maximal size of possible extension queue 1414. Compared 262794 event pairs, 976 based on Foata normal form. 784/18018 useless extension candidates. Maximal degree in co-relation 170486. Up to 3790 conditions per place. [2021-04-29 05:34:30,815 INFO L132 encePairwiseOnDemand]: 76/93 looper letters, 595 selfloop transitions, 403 changer transitions 119/1220 dead transitions. [2021-04-29 05:34:30,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 1220 transitions, 28956 flow [2021-04-29 05:34:30,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 05:34:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 05:34:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 899 transitions. [2021-04-29 05:34:30,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2021-04-29 05:34:30,818 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 899 transitions. [2021-04-29 05:34:30,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 899 transitions. [2021-04-29 05:34:30,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:34:30,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 899 transitions. [2021-04-29 05:34:30,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 74.91666666666667) internal successors, (899), 12 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) [2021-04-29 05:34:30,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:30,821 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:30,822 INFO L185 Difference]: Start difference. First operand has 308 places, 1001 transitions, 22710 flow. Second operand 12 states and 899 transitions. [2021-04-29 05:34:30,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 1220 transitions, 28956 flow [2021-04-29 05:34:36,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 1220 transitions, 28501 flow, removed 227 selfloop flow, removed 2 redundant places. [2021-04-29 05:34:36,794 INFO L241 Difference]: Finished difference. Result has 322 places, 924 transitions, 21522 flow [2021-04-29 05:34:36,795 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=20586, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=931, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=363, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21522, PETRI_PLACES=322, PETRI_TRANSITIONS=924} [2021-04-29 05:34:36,795 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 264 predicate places. [2021-04-29 05:34:36,795 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:34:36,795 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 322 places, 924 transitions, 21522 flow [2021-04-29 05:34:36,796 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 322 places, 924 transitions, 21522 flow [2021-04-29 05:34:36,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 320 places, 924 transitions, 21522 flow [2021-04-29 05:34:41,296 INFO L129 PetriNetUnfolder]: 4836/17731 cut-off events. [2021-04-29 05:34:41,297 INFO L130 PetriNetUnfolder]: For 430123/433252 co-relation queries the response was YES. [2021-04-29 05:34:41,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140309 conditions, 17731 events. 4836/17731 cut-off events. For 430123/433252 co-relation queries the response was YES. Maximal size of possible extension queue 1209. Compared 238503 event pairs, 779 based on Foata normal form. 442/15007 useless extension candidates. Maximal degree in co-relation 139862. Up to 2605 conditions per place. [2021-04-29 05:34:42,224 INFO L146 LiptonReduction]: Number of co-enabled transitions 9292 [2021-04-29 05:34:44,010 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:34:44,010 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:34:44,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7215 [2021-04-29 05:34:44,011 INFO L480 AbstractCegarLoop]: Abstraction has has 320 places, 924 transitions, 21522 flow [2021-04-29 05:34:44,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:44,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:34:44,012 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:34:44,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 05:34:44,012 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:34:44,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:34:44,012 INFO L82 PathProgramCache]: Analyzing trace with hash -282515573, now seen corresponding path program 2 times [2021-04-29 05:34:44,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:34:44,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870702178] [2021-04-29 05:34:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:34:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:34:44,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:34:44,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:34:44,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:34:44,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:34:44,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:34:44,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:34:44,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:34:44,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:34:44,143 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 05:34:44,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 05:34:44,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:34:44,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:34:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:34:44,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870702178] [2021-04-29 05:34:44,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:34:44,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 05:34:44,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090346166] [2021-04-29 05:34:44,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 05:34:44,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:34:44,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 05:34:44,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-29 05:34:44,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:34:44,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 924 transitions, 21522 flow. Second operand has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:44,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:34:44,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:34:44,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:34:52,945 INFO L129 PetriNetUnfolder]: 5227/17977 cut-off events. [2021-04-29 05:34:52,945 INFO L130 PetriNetUnfolder]: For 466327/469288 co-relation queries the response was YES. [2021-04-29 05:34:53,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149106 conditions, 17977 events. 5227/17977 cut-off events. For 466327/469288 co-relation queries the response was YES. Maximal size of possible extension queue 1067. Compared 231825 event pairs, 809 based on Foata normal form. 662/15776 useless extension candidates. Maximal degree in co-relation 148407. Up to 3410 conditions per place. [2021-04-29 05:34:53,206 INFO L132 encePairwiseOnDemand]: 73/93 looper letters, 314 selfloop transitions, 386 changer transitions 235/1038 dead transitions. [2021-04-29 05:34:53,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 1038 transitions, 25226 flow [2021-04-29 05:34:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 05:34:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 05:34:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1109 transitions. [2021-04-29 05:34:53,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7949820788530466 [2021-04-29 05:34:53,209 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1109 transitions. [2021-04-29 05:34:53,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1109 transitions. [2021-04-29 05:34:53,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:34:53,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1109 transitions. [2021-04-29 05:34:53,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 73.93333333333334) internal successors, (1109), 15 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:53,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 93.0) internal successors, (1488), 16 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:53,214 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 93.0) internal successors, (1488), 16 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:34:53,214 INFO L185 Difference]: Start difference. First operand has 320 places, 924 transitions, 21522 flow. Second operand 15 states and 1109 transitions. [2021-04-29 05:34:53,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 1038 transitions, 25226 flow [2021-04-29 05:34:58,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 1038 transitions, 24519 flow, removed 224 selfloop flow, removed 6 redundant places. [2021-04-29 05:34:58,651 INFO L241 Difference]: Finished difference. Result has 336 places, 716 transitions, 16392 flow [2021-04-29 05:34:58,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=17844, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=807, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16392, PETRI_PLACES=336, PETRI_TRANSITIONS=716} [2021-04-29 05:34:58,652 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 278 predicate places. [2021-04-29 05:34:58,652 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:34:58,652 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 716 transitions, 16392 flow [2021-04-29 05:34:58,652 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 716 transitions, 16392 flow [2021-04-29 05:34:58,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 336 places, 716 transitions, 16392 flow [2021-04-29 05:35:02,443 INFO L129 PetriNetUnfolder]: 3531/14588 cut-off events. [2021-04-29 05:35:02,443 INFO L130 PetriNetUnfolder]: For 362401/364437 co-relation queries the response was YES. [2021-04-29 05:35:02,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118452 conditions, 14588 events. 3531/14588 cut-off events. For 362401/364437 co-relation queries the response was YES. Maximal size of possible extension queue 908. Compared 197498 event pairs, 704 based on Foata normal form. 268/12393 useless extension candidates. Maximal degree in co-relation 118033. Up to 2023 conditions per place. [2021-04-29 05:35:02,897 INFO L146 LiptonReduction]: Number of co-enabled transitions 7672 [2021-04-29 05:35:03,868 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:35:03,868 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:35:03,868 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5216 [2021-04-29 05:35:03,870 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 716 transitions, 16392 flow [2021-04-29 05:35:03,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:03,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:35:03,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:35:03,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 05:35:03,870 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:35:03,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:35:03,871 INFO L82 PathProgramCache]: Analyzing trace with hash 704791558, now seen corresponding path program 2 times [2021-04-29 05:35:03,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:35:03,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020243738] [2021-04-29 05:35:03,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:35:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:35:03,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:03,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:03,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:03,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:03,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:35:03,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:03,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:35:03,944 INFO L142 QuantifierPusher]: treesize reduction 21, result has 34.4 percent of original size [2021-04-29 05:35:03,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 05:35:03,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:03,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 05:35:03,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:03,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 05:35:03,986 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-04-29 05:35:03,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 05:35:04,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:04,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 05:35:04,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:04,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 05:35:04,071 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 05:35:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 05:35:04,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:04,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 05:35:04,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:04,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:35:04,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020243738] [2021-04-29 05:35:04,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:35:04,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-04-29 05:35:04,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244736898] [2021-04-29 05:35:04,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 05:35:04,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:35:04,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 05:35:04,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-04-29 05:35:04,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:35:04,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 716 transitions, 16392 flow. Second operand has 13 states, 13 states have (on average 65.46153846153847) internal successors, (851), 13 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:04,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:35:04,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:35:04,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:35:08,706 INFO L129 PetriNetUnfolder]: 2428/8648 cut-off events. [2021-04-29 05:35:08,707 INFO L130 PetriNetUnfolder]: For 226147/226664 co-relation queries the response was YES. [2021-04-29 05:35:09,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69604 conditions, 8648 events. 2428/8648 cut-off events. For 226147/226664 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 102017 event pairs, 609 based on Foata normal form. 332/7858 useless extension candidates. Maximal degree in co-relation 69326. Up to 1377 conditions per place. [2021-04-29 05:35:09,111 INFO L132 encePairwiseOnDemand]: 72/93 looper letters, 221 selfloop transitions, 214 changer transitions 274/774 dead transitions. [2021-04-29 05:35:09,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 774 transitions, 18542 flow [2021-04-29 05:35:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 05:35:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 05:35:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1538 transitions. [2021-04-29 05:35:09,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7875064004096262 [2021-04-29 05:35:09,120 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1538 transitions. [2021-04-29 05:35:09,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1538 transitions. [2021-04-29 05:35:09,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:35:09,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1538 transitions. [2021-04-29 05:35:09,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 73.23809523809524) internal successors, (1538), 21 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:09,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 93.0) internal successors, (2046), 22 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:09,144 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 93.0) internal successors, (2046), 22 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:09,144 INFO L185 Difference]: Start difference. First operand has 336 places, 716 transitions, 16392 flow. Second operand 21 states and 1538 transitions. [2021-04-29 05:35:09,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 774 transitions, 18542 flow [2021-04-29 05:35:10,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 774 transitions, 17531 flow, removed 198 selfloop flow, removed 17 redundant places. [2021-04-29 05:35:10,701 INFO L241 Difference]: Finished difference. Result has 349 places, 424 transitions, 9431 flow [2021-04-29 05:35:10,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=11182, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=9431, PETRI_PLACES=349, PETRI_TRANSITIONS=424} [2021-04-29 05:35:10,702 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 291 predicate places. [2021-04-29 05:35:10,702 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:35:10,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 349 places, 424 transitions, 9431 flow [2021-04-29 05:35:10,702 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 349 places, 424 transitions, 9431 flow [2021-04-29 05:35:10,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 336 places, 424 transitions, 9431 flow [2021-04-29 05:35:11,569 INFO L129 PetriNetUnfolder]: 1023/4736 cut-off events. [2021-04-29 05:35:11,569 INFO L130 PetriNetUnfolder]: For 109464/109825 co-relation queries the response was YES. [2021-04-29 05:35:11,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35228 conditions, 4736 events. 1023/4736 cut-off events. For 109464/109825 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 54746 event pairs, 353 based on Foata normal form. 75/4102 useless extension candidates. Maximal degree in co-relation 35011. Up to 664 conditions per place. [2021-04-29 05:35:12,006 INFO L146 LiptonReduction]: Number of co-enabled transitions 3292 [2021-04-29 05:35:12,210 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:35:12,210 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:35:12,210 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1508 [2021-04-29 05:35:12,211 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 424 transitions, 9431 flow [2021-04-29 05:35:12,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 65.46153846153847) internal successors, (851), 13 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:12,212 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:35:12,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:35:12,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 05:35:12,212 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:35:12,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:35:12,212 INFO L82 PathProgramCache]: Analyzing trace with hash -753722240, now seen corresponding path program 1 times [2021-04-29 05:35:12,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:35:12,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332521504] [2021-04-29 05:35:12,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:35:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:35:12,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:12,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 05:35:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:35:12,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:12,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:12,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:12,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:12,282 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-04-29 05:35:12,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 05:35:12,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:12,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:12,299 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 05:35:12,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 05:35:12,305 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-04-29 05:35:12,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 05:35:12,332 INFO L142 QuantifierPusher]: treesize reduction 8, result has 81.8 percent of original size [2021-04-29 05:35:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 05:35:12,372 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-04-29 05:35:12,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 05:35:12,418 INFO L142 QuantifierPusher]: treesize reduction 7, result has 70.8 percent of original size [2021-04-29 05:35:12,419 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-04-29 05:35:12,443 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-04-29 05:35:12,444 INFO L147 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size 8 [2021-04-29 05:35:12,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:12,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:35:12,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332521504] [2021-04-29 05:35:12,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:35:12,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:35:12,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143189862] [2021-04-29 05:35:12,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:35:12,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:35:12,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:35:12,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:35:12,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:35:12,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 424 transitions, 9431 flow. Second operand has 10 states, 10 states have (on average 65.9) internal successors, (659), 10 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:12,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:35:12,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:35:12,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:35:15,138 INFO L129 PetriNetUnfolder]: 1662/6306 cut-off events. [2021-04-29 05:35:15,138 INFO L130 PetriNetUnfolder]: For 167491/167860 co-relation queries the response was YES. [2021-04-29 05:35:15,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51428 conditions, 6306 events. 1662/6306 cut-off events. For 167491/167860 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 72238 event pairs, 616 based on Foata normal form. 45/5435 useless extension candidates. Maximal degree in co-relation 51210. Up to 3022 conditions per place. [2021-04-29 05:35:15,221 INFO L132 encePairwiseOnDemand]: 77/93 looper letters, 338 selfloop transitions, 116 changer transitions 3/522 dead transitions. [2021-04-29 05:35:15,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 522 transitions, 12780 flow [2021-04-29 05:35:15,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 05:35:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 05:35:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 930 transitions. [2021-04-29 05:35:15,223 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2021-04-29 05:35:15,223 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 930 transitions. [2021-04-29 05:35:15,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 930 transitions. [2021-04-29 05:35:15,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:35:15,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 930 transitions. [2021-04-29 05:35:15,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 71.53846153846153) internal successors, (930), 13 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:15,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:15,228 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:15,228 INFO L185 Difference]: Start difference. First operand has 336 places, 424 transitions, 9431 flow. Second operand 13 states and 930 transitions. [2021-04-29 05:35:15,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 522 transitions, 12780 flow [2021-04-29 05:35:16,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 522 transitions, 11924 flow, removed 228 selfloop flow, removed 22 redundant places. [2021-04-29 05:35:16,333 INFO L241 Difference]: Finished difference. Result has 333 places, 492 transitions, 10947 flow [2021-04-29 05:35:16,333 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=8769, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10947, PETRI_PLACES=333, PETRI_TRANSITIONS=492} [2021-04-29 05:35:16,333 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 275 predicate places. [2021-04-29 05:35:16,333 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:35:16,334 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 492 transitions, 10947 flow [2021-04-29 05:35:16,334 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 492 transitions, 10947 flow [2021-04-29 05:35:16,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 492 transitions, 10947 flow [2021-04-29 05:35:17,498 INFO L129 PetriNetUnfolder]: 1177/5401 cut-off events. [2021-04-29 05:35:17,498 INFO L130 PetriNetUnfolder]: For 119002/119396 co-relation queries the response was YES. [2021-04-29 05:35:17,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39264 conditions, 5401 events. 1177/5401 cut-off events. For 119002/119396 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 64264 event pairs, 415 based on Foata normal form. 81/4634 useless extension candidates. Maximal degree in co-relation 38959. Up to 725 conditions per place. [2021-04-29 05:35:17,621 INFO L146 LiptonReduction]: Number of co-enabled transitions 3666 [2021-04-29 05:35:17,841 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:35:17,841 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:35:17,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1508 [2021-04-29 05:35:17,843 INFO L480 AbstractCegarLoop]: Abstraction has has 333 places, 492 transitions, 10947 flow [2021-04-29 05:35:17,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 65.9) internal successors, (659), 10 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:17,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:35:17,843 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:35:17,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 05:35:17,843 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:35:17,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:35:17,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1462933031, now seen corresponding path program 1 times [2021-04-29 05:35:17,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:35:17,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031204278] [2021-04-29 05:35:17,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:35:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:35:17,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:17,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:17,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:17,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:35:17,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:17,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:35:17,906 INFO L142 QuantifierPusher]: treesize reduction 19, result has 48.6 percent of original size [2021-04-29 05:35:17,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 05:35:17,924 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 05:35:17,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:35:17,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-04-29 05:35:17,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:17,942 INFO L142 QuantifierPusher]: treesize reduction 24, result has 40.0 percent of original size [2021-04-29 05:35:17,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:17,960 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-04-29 05:35:17,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:35:17,981 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-04-29 05:35:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 05:35:18,014 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-04-29 05:35:18,015 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-04-29 05:35:18,048 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-04-29 05:35:18,049 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size 25 [2021-04-29 05:35:18,077 INFO L142 QuantifierPusher]: treesize reduction 23, result has 36.1 percent of original size [2021-04-29 05:35:18,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:18,078 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-04-29 05:35:18,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:18,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:18,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:35:18,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031204278] [2021-04-29 05:35:18,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:35:18,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 05:35:18,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74446762] [2021-04-29 05:35:18,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 05:35:18,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:35:18,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 05:35:18,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-04-29 05:35:18,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:35:18,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 492 transitions, 10947 flow. Second operand has 12 states, 12 states have (on average 65.58333333333333) internal successors, (787), 12 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:18,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:35:18,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:35:18,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:35:21,078 INFO L129 PetriNetUnfolder]: 1781/6817 cut-off events. [2021-04-29 05:35:21,079 INFO L130 PetriNetUnfolder]: For 175158/175556 co-relation queries the response was YES. [2021-04-29 05:35:21,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54576 conditions, 6817 events. 1781/6817 cut-off events. For 175158/175556 co-relation queries the response was YES. Maximal size of possible extension queue 524. Compared 79542 event pairs, 488 based on Foata normal form. 102/5912 useless extension candidates. Maximal degree in co-relation 54217. Up to 1073 conditions per place. [2021-04-29 05:35:21,173 INFO L132 encePairwiseOnDemand]: 74/93 looper letters, 331 selfloop transitions, 250 changer transitions 22/667 dead transitions. [2021-04-29 05:35:21,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 667 transitions, 16161 flow [2021-04-29 05:35:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 05:35:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 05:35:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1310 transitions. [2021-04-29 05:35:21,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7825567502986858 [2021-04-29 05:35:21,176 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1310 transitions. [2021-04-29 05:35:21,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1310 transitions. [2021-04-29 05:35:21,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:35:21,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1310 transitions. [2021-04-29 05:35:21,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 72.77777777777777) internal successors, (1310), 18 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:21,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 93.0) internal successors, (1767), 19 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:21,181 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 93.0) internal successors, (1767), 19 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:21,181 INFO L185 Difference]: Start difference. First operand has 333 places, 492 transitions, 10947 flow. Second operand 18 states and 1310 transitions. [2021-04-29 05:35:21,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 667 transitions, 16161 flow [2021-04-29 05:35:22,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 667 transitions, 15712 flow, removed 218 selfloop flow, removed 1 redundant places. [2021-04-29 05:35:22,362 INFO L241 Difference]: Finished difference. Result has 360 places, 552 transitions, 12890 flow [2021-04-29 05:35:22,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=10515, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=12890, PETRI_PLACES=360, PETRI_TRANSITIONS=552} [2021-04-29 05:35:22,363 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 302 predicate places. [2021-04-29 05:35:22,363 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:35:22,364 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 552 transitions, 12890 flow [2021-04-29 05:35:22,364 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 552 transitions, 12890 flow [2021-04-29 05:35:22,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 360 places, 552 transitions, 12890 flow [2021-04-29 05:35:23,475 INFO L129 PetriNetUnfolder]: 1295/5822 cut-off events. [2021-04-29 05:35:23,475 INFO L130 PetriNetUnfolder]: For 145521/146075 co-relation queries the response was YES. [2021-04-29 05:35:23,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43757 conditions, 5822 events. 1295/5822 cut-off events. For 145521/146075 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 69906 event pairs, 460 based on Foata normal form. 110/4957 useless extension candidates. Maximal degree in co-relation 43436. Up to 777 conditions per place. [2021-04-29 05:35:23,636 INFO L146 LiptonReduction]: Number of co-enabled transitions 3990 [2021-04-29 05:35:23,965 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:35:23,966 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:35:23,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1603 [2021-04-29 05:35:23,967 INFO L480 AbstractCegarLoop]: Abstraction has has 360 places, 552 transitions, 12890 flow [2021-04-29 05:35:23,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 65.58333333333333) internal successors, (787), 12 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:23,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:35:23,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:35:23,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 05:35:23,967 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:35:23,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:35:23,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1597504059, now seen corresponding path program 2 times [2021-04-29 05:35:23,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:35:23,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376920306] [2021-04-29 05:35:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:35:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:35:24,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:24,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:35:24,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:24,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:35:24,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:24,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:24,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:24,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:24,037 INFO L142 QuantifierPusher]: treesize reduction 18, result has 35.7 percent of original size [2021-04-29 05:35:24,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:35:24,047 INFO L142 QuantifierPusher]: treesize reduction 7, result has 66.7 percent of original size [2021-04-29 05:35:24,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:35:24,058 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-04-29 05:35:24,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 05:35:24,075 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-04-29 05:35:24,076 INFO L147 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size 18 [2021-04-29 05:35:24,110 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-04-29 05:35:24,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 05:35:24,151 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-04-29 05:35:24,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 05:35:24,191 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-04-29 05:35:24,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 05:35:24,237 INFO L142 QuantifierPusher]: treesize reduction 19, result has 55.8 percent of original size [2021-04-29 05:35:24,238 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-04-29 05:35:24,278 INFO L142 QuantifierPusher]: treesize reduction 33, result has 2.9 percent of original size [2021-04-29 05:35:24,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:24,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:24,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:35:24,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376920306] [2021-04-29 05:35:24,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:35:24,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 05:35:24,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309651353] [2021-04-29 05:35:24,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 05:35:24,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:35:24,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 05:35:24,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-04-29 05:35:24,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:35:24,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 552 transitions, 12890 flow. Second operand has 12 states, 12 states have (on average 65.58333333333333) internal successors, (787), 12 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:24,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:35:24,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:35:24,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:35:27,508 INFO L129 PetriNetUnfolder]: 2130/8094 cut-off events. [2021-04-29 05:35:27,509 INFO L130 PetriNetUnfolder]: For 236674/237121 co-relation queries the response was YES. [2021-04-29 05:35:27,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66479 conditions, 8094 events. 2130/8094 cut-off events. For 236674/237121 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 97556 event pairs, 757 based on Foata normal form. 92/6903 useless extension candidates. Maximal degree in co-relation 66124. Up to 3670 conditions per place. [2021-04-29 05:35:27,640 INFO L132 encePairwiseOnDemand]: 74/93 looper letters, 511 selfloop transitions, 132 changer transitions 25/732 dead transitions. [2021-04-29 05:35:27,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 732 transitions, 18803 flow [2021-04-29 05:35:27,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 05:35:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 05:35:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1069 transitions. [2021-04-29 05:35:27,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7663082437275985 [2021-04-29 05:35:27,642 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1069 transitions. [2021-04-29 05:35:27,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1069 transitions. [2021-04-29 05:35:27,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:35:27,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1069 transitions. [2021-04-29 05:35:27,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 71.26666666666667) internal successors, (1069), 15 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:27,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 93.0) internal successors, (1488), 16 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:27,645 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 93.0) internal successors, (1488), 16 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:27,645 INFO L185 Difference]: Start difference. First operand has 360 places, 552 transitions, 12890 flow. Second operand 15 states and 1069 transitions. [2021-04-29 05:35:27,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 732 transitions, 18803 flow [2021-04-29 05:35:29,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 732 transitions, 18325 flow, removed 214 selfloop flow, removed 4 redundant places. [2021-04-29 05:35:29,377 INFO L241 Difference]: Finished difference. Result has 378 places, 639 transitions, 15535 flow [2021-04-29 05:35:29,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=12642, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15535, PETRI_PLACES=378, PETRI_TRANSITIONS=639} [2021-04-29 05:35:29,378 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 320 predicate places. [2021-04-29 05:35:29,378 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:35:29,378 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 378 places, 639 transitions, 15535 flow [2021-04-29 05:35:29,379 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 378 places, 639 transitions, 15535 flow [2021-04-29 05:35:29,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 378 places, 639 transitions, 15535 flow [2021-04-29 05:35:30,777 INFO L129 PetriNetUnfolder]: 1569/6897 cut-off events. [2021-04-29 05:35:30,777 INFO L130 PetriNetUnfolder]: For 176279/176805 co-relation queries the response was YES. [2021-04-29 05:35:30,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52270 conditions, 6897 events. 1569/6897 cut-off events. For 176279/176805 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 84767 event pairs, 553 based on Foata normal form. 116/5826 useless extension candidates. Maximal degree in co-relation 51937. Up to 941 conditions per place. [2021-04-29 05:35:30,982 INFO L146 LiptonReduction]: Number of co-enabled transitions 4364 [2021-04-29 05:35:31,425 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:35:31,425 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:35:31,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2047 [2021-04-29 05:35:31,427 INFO L480 AbstractCegarLoop]: Abstraction has has 378 places, 639 transitions, 15535 flow [2021-04-29 05:35:31,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 65.58333333333333) internal successors, (787), 12 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:31,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:35:31,427 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:35:31,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 05:35:31,427 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:35:31,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:35:31,428 INFO L82 PathProgramCache]: Analyzing trace with hash -674689169, now seen corresponding path program 3 times [2021-04-29 05:35:31,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:35:31,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885356892] [2021-04-29 05:35:31,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:35:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:35:31,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:31,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 05:35:31,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:31,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:35:31,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:31,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:31,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:31,498 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-04-29 05:35:31,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 05:35:31,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:31,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:31,512 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 05:35:31,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 05:35:31,519 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-04-29 05:35:31,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 05:35:31,549 INFO L142 QuantifierPusher]: treesize reduction 8, result has 81.8 percent of original size [2021-04-29 05:35:31,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 05:35:31,594 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-04-29 05:35:31,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 05:35:31,633 INFO L142 QuantifierPusher]: treesize reduction 7, result has 70.8 percent of original size [2021-04-29 05:35:31,634 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-04-29 05:35:31,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:31,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:31,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:31,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:35:31,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885356892] [2021-04-29 05:35:31,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:35:31,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:35:31,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626726447] [2021-04-29 05:35:31,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:35:31,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:35:31,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:35:31,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:35:31,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:35:31,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 639 transitions, 15535 flow. Second operand has 10 states, 10 states have (on average 65.9) internal successors, (659), 10 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:31,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:35:31,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:35:31,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:35:35,251 INFO L129 PetriNetUnfolder]: 1990/7873 cut-off events. [2021-04-29 05:35:35,251 INFO L130 PetriNetUnfolder]: For 227589/228095 co-relation queries the response was YES. [2021-04-29 05:35:35,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65370 conditions, 7873 events. 1990/7873 cut-off events. For 227589/228095 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 95738 event pairs, 747 based on Foata normal form. 54/6655 useless extension candidates. Maximal degree in co-relation 65016. Up to 3672 conditions per place. [2021-04-29 05:35:35,379 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 399 selfloop transitions, 57 changer transitions 179/699 dead transitions. [2021-04-29 05:35:35,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 699 transitions, 18305 flow [2021-04-29 05:35:35,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 05:35:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 05:35:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1135 transitions. [2021-04-29 05:35:35,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7627688172043011 [2021-04-29 05:35:35,381 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1135 transitions. [2021-04-29 05:35:35,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1135 transitions. [2021-04-29 05:35:35,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:35:35,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1135 transitions. [2021-04-29 05:35:35,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 70.9375) internal successors, (1135), 16 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:35,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 93.0) internal successors, (1581), 17 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:35,384 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 93.0) internal successors, (1581), 17 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:35,384 INFO L185 Difference]: Start difference. First operand has 378 places, 639 transitions, 15535 flow. Second operand 16 states and 1135 transitions. [2021-04-29 05:35:35,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 699 transitions, 18305 flow [2021-04-29 05:35:37,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 699 transitions, 18228 flow, removed 33 selfloop flow, removed 2 redundant places. [2021-04-29 05:35:37,217 INFO L241 Difference]: Finished difference. Result has 396 places, 509 transitions, 12093 flow [2021-04-29 05:35:37,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=15433, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=637, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=12093, PETRI_PLACES=396, PETRI_TRANSITIONS=509} [2021-04-29 05:35:37,218 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 338 predicate places. [2021-04-29 05:35:37,218 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:35:37,218 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 396 places, 509 transitions, 12093 flow [2021-04-29 05:35:37,218 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 396 places, 509 transitions, 12093 flow [2021-04-29 05:35:37,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 387 places, 509 transitions, 12093 flow [2021-04-29 05:35:38,347 INFO L129 PetriNetUnfolder]: 1196/5524 cut-off events. [2021-04-29 05:35:38,347 INFO L130 PetriNetUnfolder]: For 150905/151391 co-relation queries the response was YES. [2021-04-29 05:35:38,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42367 conditions, 5524 events. 1196/5524 cut-off events. For 150905/151391 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 66138 event pairs, 436 based on Foata normal form. 88/4690 useless extension candidates. Maximal degree in co-relation 42034. Up to 777 conditions per place. [2021-04-29 05:35:38,508 INFO L146 LiptonReduction]: Number of co-enabled transitions 3726 [2021-04-29 05:35:38,812 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:35:38,812 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:35:38,812 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1594 [2021-04-29 05:35:38,813 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 509 transitions, 12093 flow [2021-04-29 05:35:38,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 65.9) internal successors, (659), 10 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:38,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:35:38,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:35:38,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 05:35:38,814 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:35:38,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:35:38,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1475479479, now seen corresponding path program 4 times [2021-04-29 05:35:38,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:35:38,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553961271] [2021-04-29 05:35:38,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:35:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:35:38,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:38,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:38,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:38,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:38,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:38,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:38,880 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 05:35:38,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 05:35:38,913 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-04-29 05:35:38,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 05:35:38,932 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-04-29 05:35:38,933 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-04-29 05:35:38,966 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.9 percent of original size [2021-04-29 05:35:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 05:35:39,005 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-04-29 05:35:39,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 05:35:39,048 INFO L142 QuantifierPusher]: treesize reduction 46, result has 29.2 percent of original size [2021-04-29 05:35:39,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:35:39,076 INFO L142 QuantifierPusher]: treesize reduction 43, result has 15.7 percent of original size [2021-04-29 05:35:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 05:35:39,096 INFO L142 QuantifierPusher]: treesize reduction 19, result has 29.6 percent of original size [2021-04-29 05:35:39,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 05:35:39,098 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-04-29 05:35:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 05:35:39,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:39,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:35:39,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553961271] [2021-04-29 05:35:39,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:35:39,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 05:35:39,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615114842] [2021-04-29 05:35:39,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 05:35:39,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:35:39,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 05:35:39,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-04-29 05:35:39,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:35:39,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 509 transitions, 12093 flow. Second operand has 12 states, 12 states have (on average 65.58333333333333) internal successors, (787), 12 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:39,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:35:39,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:35:39,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:35:42,242 INFO L129 PetriNetUnfolder]: 1588/6511 cut-off events. [2021-04-29 05:35:42,243 INFO L130 PetriNetUnfolder]: For 203689/204096 co-relation queries the response was YES. [2021-04-29 05:35:42,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54030 conditions, 6511 events. 1588/6511 cut-off events. For 203689/204096 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 76939 event pairs, 558 based on Foata normal form. 110/5685 useless extension candidates. Maximal degree in co-relation 53649. Up to 2547 conditions per place. [2021-04-29 05:35:42,365 INFO L132 encePairwiseOnDemand]: 77/93 looper letters, 393 selfloop transitions, 116 changer transitions 36/609 dead transitions. [2021-04-29 05:35:42,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 609 transitions, 15682 flow [2021-04-29 05:35:42,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 05:35:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 05:35:42,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1194 transitions. [2021-04-29 05:35:42,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7552182163187856 [2021-04-29 05:35:42,367 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1194 transitions. [2021-04-29 05:35:42,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1194 transitions. [2021-04-29 05:35:42,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:35:42,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1194 transitions. [2021-04-29 05:35:42,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 70.23529411764706) internal successors, (1194), 17 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:42,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 93.0) internal successors, (1674), 18 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:42,371 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 93.0) internal successors, (1674), 18 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:42,372 INFO L185 Difference]: Start difference. First operand has 387 places, 509 transitions, 12093 flow. Second operand 17 states and 1194 transitions. [2021-04-29 05:35:42,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 609 transitions, 15682 flow [2021-04-29 05:35:43,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 609 transitions, 15340 flow, removed 102 selfloop flow, removed 13 redundant places. [2021-04-29 05:35:43,906 INFO L241 Difference]: Finished difference. Result has 395 places, 508 transitions, 12159 flow [2021-04-29 05:35:43,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=11688, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=12159, PETRI_PLACES=395, PETRI_TRANSITIONS=508} [2021-04-29 05:35:43,907 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 337 predicate places. [2021-04-29 05:35:43,907 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:35:43,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 508 transitions, 12159 flow [2021-04-29 05:35:43,908 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 508 transitions, 12159 flow [2021-04-29 05:35:43,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 393 places, 508 transitions, 12159 flow [2021-04-29 05:35:45,102 INFO L129 PetriNetUnfolder]: 1160/5619 cut-off events. [2021-04-29 05:35:45,102 INFO L130 PetriNetUnfolder]: For 149994/150464 co-relation queries the response was YES. [2021-04-29 05:35:45,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43257 conditions, 5619 events. 1160/5619 cut-off events. For 149994/150464 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 68267 event pairs, 406 based on Foata normal form. 86/4803 useless extension candidates. Maximal degree in co-relation 42915. Up to 785 conditions per place. [2021-04-29 05:35:45,261 INFO L146 LiptonReduction]: Number of co-enabled transitions 3682 [2021-04-29 05:35:45,643 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:35:45,643 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:35:45,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1736 [2021-04-29 05:35:45,645 INFO L480 AbstractCegarLoop]: Abstraction has has 393 places, 508 transitions, 12159 flow [2021-04-29 05:35:45,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 65.58333333333333) internal successors, (787), 12 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:45,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:35:45,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:35:45,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-29 05:35:45,645 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:35:45,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:35:45,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1970752799, now seen corresponding path program 5 times [2021-04-29 05:35:45,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:35:45,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403047939] [2021-04-29 05:35:45,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:35:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:35:45,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:45,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:45,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:45,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 05:35:45,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:45,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:35:45,708 INFO L142 QuantifierPusher]: treesize reduction 19, result has 48.6 percent of original size [2021-04-29 05:35:45,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 05:35:45,726 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 05:35:45,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 05:35:45,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-04-29 05:35:45,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:45,745 INFO L142 QuantifierPusher]: treesize reduction 24, result has 40.0 percent of original size [2021-04-29 05:35:45,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:45,766 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-04-29 05:35:45,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 05:35:45,787 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-04-29 05:35:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 05:35:45,821 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-04-29 05:35:45,822 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-04-29 05:35:45,859 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-04-29 05:35:45,860 INFO L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-04-29 05:35:45,869 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 05:35:45,870 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-04-29 05:35:45,894 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-04-29 05:35:45,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:45,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:45,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:35:45,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403047939] [2021-04-29 05:35:45,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:35:45,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 05:35:45,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113839237] [2021-04-29 05:35:45,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 05:35:45,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:35:45,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 05:35:45,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-04-29 05:35:45,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:35:45,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 508 transitions, 12159 flow. Second operand has 12 states, 12 states have (on average 65.58333333333333) internal successors, (787), 12 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:45,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:35:45,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:35:45,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 05:35:48,802 INFO L129 PetriNetUnfolder]: 1452/6040 cut-off events. [2021-04-29 05:35:48,803 INFO L130 PetriNetUnfolder]: For 183215/183701 co-relation queries the response was YES. [2021-04-29 05:35:48,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50382 conditions, 6040 events. 1452/6040 cut-off events. For 183215/183701 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 70742 event pairs, 423 based on Foata normal form. 121/5311 useless extension candidates. Maximal degree in co-relation 50001. Up to 905 conditions per place. [2021-04-29 05:35:48,921 INFO L132 encePairwiseOnDemand]: 74/93 looper letters, 268 selfloop transitions, 234 changer transitions 30/596 dead transitions. [2021-04-29 05:35:48,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 596 transitions, 15073 flow [2021-04-29 05:35:48,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 05:35:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 05:35:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1298 transitions. [2021-04-29 05:35:48,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7753882915173238 [2021-04-29 05:35:48,923 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1298 transitions. [2021-04-29 05:35:48,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1298 transitions. [2021-04-29 05:35:48,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 05:35:48,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1298 transitions. [2021-04-29 05:35:48,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 72.11111111111111) internal successors, (1298), 18 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:48,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 93.0) internal successors, (1767), 19 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:48,928 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 93.0) internal successors, (1767), 19 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:48,928 INFO L185 Difference]: Start difference. First operand has 393 places, 508 transitions, 12159 flow. Second operand 18 states and 1298 transitions. [2021-04-29 05:35:48,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 596 transitions, 15073 flow [2021-04-29 05:35:50,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 596 transitions, 14785 flow, removed 78 selfloop flow, removed 10 redundant places. [2021-04-29 05:35:50,270 INFO L241 Difference]: Finished difference. Result has 401 places, 481 transitions, 11629 flow [2021-04-29 05:35:50,271 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=11435, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=11629, PETRI_PLACES=401, PETRI_TRANSITIONS=481} [2021-04-29 05:35:50,271 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 343 predicate places. [2021-04-29 05:35:50,271 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 05:35:50,271 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 401 places, 481 transitions, 11629 flow [2021-04-29 05:35:50,272 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 401 places, 481 transitions, 11629 flow [2021-04-29 05:35:50,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 481 transitions, 11629 flow [2021-04-29 05:35:51,209 INFO L129 PetriNetUnfolder]: 948/4733 cut-off events. [2021-04-29 05:35:51,210 INFO L130 PetriNetUnfolder]: For 123884/124229 co-relation queries the response was YES. [2021-04-29 05:35:51,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36351 conditions, 4733 events. 948/4733 cut-off events. For 123884/124229 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 55898 event pairs, 342 based on Foata normal form. 83/4047 useless extension candidates. Maximal degree in co-relation 36005. Up to 661 conditions per place. [2021-04-29 05:35:51,365 INFO L146 LiptonReduction]: Number of co-enabled transitions 3498 [2021-04-29 05:35:51,604 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 05:35:51,604 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 05:35:51,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1333 [2021-04-29 05:35:51,605 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 481 transitions, 11629 flow [2021-04-29 05:35:51,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 65.58333333333333) internal successors, (787), 12 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:51,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 05:35:51,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 05:35:51,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-29 05:35:51,606 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 05:35:51,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 05:35:51,607 INFO L82 PathProgramCache]: Analyzing trace with hash 664975355, now seen corresponding path program 6 times [2021-04-29 05:35:51,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 05:35:51,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003532091] [2021-04-29 05:35:51,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 05:35:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 05:35:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:51,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 05:35:51,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:51,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 05:35:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:51,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:51,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:51,690 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-04-29 05:35:51,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 05:35:51,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:51,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 05:35:51,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-04-29 05:35:51,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 05:35:51,732 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-04-29 05:35:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 05:35:51,768 INFO L142 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size [2021-04-29 05:35:51,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 05:35:51,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 05:35:51,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 05:35:51,822 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-04-29 05:35:51,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 05:35:51,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 05:35:51,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 05:35:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 05:35:51,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003532091] [2021-04-29 05:35:51,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 05:35:51,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 05:35:51,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847574460] [2021-04-29 05:35:51,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 05:35:51,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 05:35:51,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 05:35:51,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-04-29 05:35:51,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 93 [2021-04-29 05:35:51,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 481 transitions, 11629 flow. Second operand has 10 states, 10 states have (on average 65.9) internal successors, (659), 10 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 05:35:51,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 05:35:51,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 93 [2021-04-29 05:35:51,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand