/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/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 06:58:49,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 06:58:49,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 06:58:49,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 06:58:49,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 06:58:49,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 06:58:49,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 06:58:49,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 06:58:49,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 06:58:49,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 06:58:49,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 06:58:49,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 06:58:49,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 06:58:49,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 06:58:49,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 06:58:49,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 06:58:49,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 06:58:49,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 06:58:49,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 06:58:49,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 06:58:49,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 06:58:49,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 06:58:49,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 06:58:49,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 06:58:49,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 06:58:49,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 06:58:49,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 06:58:49,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 06:58:49,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 06:58:49,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 06:58:49,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 06:58:49,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 06:58:49,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 06:58:49,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 06:58:49,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 06:58:49,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 06:58:49,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 06:58:49,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 06:58:49,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 06:58:49,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 06:58:49,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 06:58:49,429 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 06:58:49,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 06:58:49,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 06:58:49,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 06:58:49,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 06:58:49,497 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 06:58:49,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 06:58:49,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 06:58:49,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 06:58:49,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 06:58:49,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 06:58:49,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 06:58:49,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 06:58:49,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 06:58:49,501 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 06:58:49,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 06:58:49,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 06:58:49,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 06:58:49,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 06:58:49,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 06:58:49,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 06:58:49,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 06:58:49,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 06:58:49,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 06:58:49,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 06:58:49,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 06:58:49,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 06:58:49,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 06:58:49,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 06:58:49,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 06:58:49,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 06:58:49,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 06:58:49,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 06:58:49,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 06:58:49,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 06:58:49,979 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 06:58:49,980 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 06:58:49,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-04-29 06:58:49,981 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-04-29 06:58:50,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 06:58:50,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 06:58:50,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 06:58:50,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 06:58:50,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 06:58:50,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 06:58:50,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 06:58:50,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 06:58:50,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 06:58:50,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/1) ... [2021-04-29 06:58:50,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 06:58:50,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 06:58:50,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 06:58:50,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 06:58:50,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (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 06:58:50,253 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 06:58:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 06:58:50,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 06:58:50,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 06:58:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 06:58:50,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 06:58:50,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 06:58:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 06:58:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 06:58:50,258 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 06:58:50,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 06:58:50,492 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 06:58:50,494 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 06:58:50 BoogieIcfgContainer [2021-04-29 06:58:50,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 06:58:50,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 06:58:50,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 06:58:50,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 06:58:50,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 06:58:50" (1/2) ... [2021-04-29 06:58:50,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60980cd4 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 06:58:50, skipping insertion in model container [2021-04-29 06:58:50,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 06:58:50" (2/2) ... [2021-04-29 06:58:50,502 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-04-29 06:58:50,509 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 06:58:50,513 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 06:58:50,514 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 06:58:50,545 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-04-29 06:58:50,567 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-29 06:58:50,593 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 06:58:50,593 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 06:58:50,593 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 06:58:50,593 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 06:58:50,594 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 06:58:50,594 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 06:58:50,594 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 06:58:50,594 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 06:58:50,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 24 transitions, 64 flow [2021-04-29 06:58:50,630 INFO L129 PetriNetUnfolder]: 2/22 cut-off events. [2021-04-29 06:58:50,631 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 06:58:50,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 19 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-04-29 06:58:50,634 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 24 transitions, 64 flow [2021-04-29 06:58:50,639 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 20 transitions, 52 flow [2021-04-29 06:58:50,640 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:50,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 20 transitions, 52 flow [2021-04-29 06:58:50,662 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 20 transitions, 52 flow [2021-04-29 06:58:50,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 20 transitions, 52 flow [2021-04-29 06:58:50,672 INFO L129 PetriNetUnfolder]: 2/20 cut-off events. [2021-04-29 06:58:50,672 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 06:58:50,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 20 events. 2/20 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-04-29 06:58:50,674 INFO L146 LiptonReduction]: Number of co-enabled transitions 58 [2021-04-29 06:58:51,230 INFO L158 LiptonReduction]: Checked pairs total: 110 [2021-04-29 06:58:51,230 INFO L160 LiptonReduction]: Total number of compositions: 12 [2021-04-29 06:58:51,233 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 594 [2021-04-29 06:58:51,248 INFO L129 PetriNetUnfolder]: 2/20 cut-off events. [2021-04-29 06:58:51,248 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 06:58:51,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:51,249 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:51,249 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:51,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:51,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1880756576, now seen corresponding path program 1 times [2021-04-29 06:58:51,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:51,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809360247] [2021-04-29 06:58:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:51,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 06:58:51,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:51,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809360247] [2021-04-29 06:58:51,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 06:58:51,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 06:58:51,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518424486] [2021-04-29 06:58:51,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 06:58:51,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:51,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 06:58:51,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 06:58:51,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 36 [2021-04-29 06:58:51,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:51,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 36 [2021-04-29 06:58:51,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:51,494 INFO L129 PetriNetUnfolder]: 8/35 cut-off events. [2021-04-29 06:58:51,494 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 06:58:51,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 35 events. 8/35 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 92 event pairs, 1 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 44. Up to 15 conditions per place. [2021-04-29 06:58:51,496 INFO L132 encePairwiseOnDemand]: 30/36 looper letters, 7 selfloop transitions, 2 changer transitions 6/24 dead transitions. [2021-04-29 06:58:51,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 24 transitions, 82 flow [2021-04-29 06:58:51,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 06:58:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 06:58:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2021-04-29 06:58:51,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6759259259259259 [2021-04-29 06:58:51,511 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 73 transitions. [2021-04-29 06:58:51,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 73 transitions. [2021-04-29 06:58:51,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:51,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 73 transitions. [2021-04-29 06:58:51,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,523 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,525 INFO L185 Difference]: Start difference. First operand has 26 places, 21 transitions, 54 flow. Second operand 3 states and 73 transitions. [2021-04-29 06:58:51,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 24 transitions, 82 flow [2021-04-29 06:58:51,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 24 transitions, 74 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 06:58:51,531 INFO L241 Difference]: Finished difference. Result has 25 places, 16 transitions, 48 flow [2021-04-29 06:58:51,533 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=16} [2021-04-29 06:58:51,534 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, -1 predicate places. [2021-04-29 06:58:51,534 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:51,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 16 transitions, 48 flow [2021-04-29 06:58:51,535 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 16 transitions, 48 flow [2021-04-29 06:58:51,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 19 places, 16 transitions, 48 flow [2021-04-29 06:58:51,541 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-04-29 06:58:51,541 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 06:58:51,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 17 events. 2/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 28 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 17. Up to 5 conditions per place. [2021-04-29 06:58:51,542 INFO L146 LiptonReduction]: Number of co-enabled transitions 70 [2021-04-29 06:58:51,689 INFO L158 LiptonReduction]: Checked pairs total: 62 [2021-04-29 06:58:51,689 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 06:58:51,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-04-29 06:58:51,691 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 50 flow [2021-04-29 06:58:51,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,691 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:51,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:51,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 06:58:51,692 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:51,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:51,693 INFO L82 PathProgramCache]: Analyzing trace with hash -273527718, now seen corresponding path program 1 times [2021-04-29 06:58:51,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:51,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635174701] [2021-04-29 06:58:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:51,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 06:58:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:58:51,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635174701] [2021-04-29 06:58:51,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 06:58:51,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 06:58:51,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91397805] [2021-04-29 06:58:51,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 06:58:51,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:51,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 06:58:51,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 06:58:51,719 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 37 [2021-04-29 06:58:51,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:51,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 37 [2021-04-29 06:58:51,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:51,762 INFO L129 PetriNetUnfolder]: 46/99 cut-off events. [2021-04-29 06:58:51,762 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-04-29 06:58:51,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 99 events. 46/99 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 318 event pairs, 14 based on Foata normal form. 3/57 useless extension candidates. Maximal degree in co-relation 200. Up to 46 conditions per place. [2021-04-29 06:58:51,764 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 9 selfloop transitions, 4 changer transitions 3/22 dead transitions. [2021-04-29 06:58:51,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 22 transitions, 95 flow [2021-04-29 06:58:51,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 06:58:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 06:58:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 69 transitions. [2021-04-29 06:58:51,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6216216216216216 [2021-04-29 06:58:51,766 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 69 transitions. [2021-04-29 06:58:51,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 69 transitions. [2021-04-29 06:58:51,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:51,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 69 transitions. [2021-04-29 06:58:51,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,769 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,770 INFO L185 Difference]: Start difference. First operand has 20 places, 17 transitions, 50 flow. Second operand 3 states and 69 transitions. [2021-04-29 06:58:51,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 22 transitions, 95 flow [2021-04-29 06:58:51,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 22 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 06:58:51,772 INFO L241 Difference]: Finished difference. Result has 22 places, 17 transitions, 70 flow [2021-04-29 06:58:51,772 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=22, PETRI_TRANSITIONS=17} [2021-04-29 06:58:51,772 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, -4 predicate places. [2021-04-29 06:58:51,773 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:51,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 17 transitions, 70 flow [2021-04-29 06:58:51,773 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 17 transitions, 70 flow [2021-04-29 06:58:51,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 17 transitions, 70 flow [2021-04-29 06:58:51,779 INFO L129 PetriNetUnfolder]: 6/26 cut-off events. [2021-04-29 06:58:51,779 INFO L130 PetriNetUnfolder]: For 4/7 co-relation queries the response was YES. [2021-04-29 06:58:51,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 26 events. 6/26 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 34 event pairs, 2 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 27. Up to 10 conditions per place. [2021-04-29 06:58:51,781 INFO L146 LiptonReduction]: Number of co-enabled transitions 58 [2021-04-29 06:58:51,797 INFO L158 LiptonReduction]: Checked pairs total: 16 [2021-04-29 06:58:51,798 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:58:51,798 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-04-29 06:58:51,799 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 70 flow [2021-04-29 06:58:51,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:51,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:51,800 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:51,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 06:58:51,800 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:51,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:51,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1961808169, now seen corresponding path program 1 times [2021-04-29 06:58:51,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:51,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762804328] [2021-04-29 06:58:51,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:51,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:58:51,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762804328] [2021-04-29 06:58:51,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665515586] [2021-04-29 06:58:51,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:51,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 06:58:51,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:58:51,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:58:51,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:51,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:58:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,995 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-04-29 06:58:51,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:51,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:51,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,016 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 06:58:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:58:52,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:58:52,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-04-29 06:58:52,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785939374] [2021-04-29 06:58:52,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 06:58:52,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:52,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 06:58:52,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 06:58:52,043 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 37 [2021-04-29 06:58:52,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:52,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 37 [2021-04-29 06:58:52,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:52,085 INFO L129 PetriNetUnfolder]: 16/65 cut-off events. [2021-04-29 06:58:52,086 INFO L130 PetriNetUnfolder]: For 42/54 co-relation queries the response was YES. [2021-04-29 06:58:52,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 65 events. 16/65 cut-off events. For 42/54 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 221 event pairs, 3 based on Foata normal form. 10/68 useless extension candidates. Maximal degree in co-relation 50. Up to 25 conditions per place. [2021-04-29 06:58:52,087 INFO L132 encePairwiseOnDemand]: 32/37 looper letters, 8 selfloop transitions, 7 changer transitions 0/25 dead transitions. [2021-04-29 06:58:52,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 25 transitions, 132 flow [2021-04-29 06:58:52,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 06:58:52,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 06:58:52,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 95 transitions. [2021-04-29 06:58:52,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418918918918919 [2021-04-29 06:58:52,090 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 95 transitions. [2021-04-29 06:58:52,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 95 transitions. [2021-04-29 06:58:52,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:52,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 95 transitions. [2021-04-29 06:58:52,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,093 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,094 INFO L185 Difference]: Start difference. First operand has 20 places, 17 transitions, 70 flow. Second operand 4 states and 95 transitions. [2021-04-29 06:58:52,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 25 transitions, 132 flow [2021-04-29 06:58:52,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 25 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 06:58:52,097 INFO L241 Difference]: Finished difference. Result has 23 places, 22 transitions, 117 flow [2021-04-29 06:58:52,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=117, PETRI_PLACES=23, PETRI_TRANSITIONS=22} [2021-04-29 06:58:52,097 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, -3 predicate places. [2021-04-29 06:58:52,097 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:52,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 22 transitions, 117 flow [2021-04-29 06:58:52,098 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 22 transitions, 117 flow [2021-04-29 06:58:52,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 22 transitions, 117 flow [2021-04-29 06:58:52,106 INFO L129 PetriNetUnfolder]: 9/42 cut-off events. [2021-04-29 06:58:52,107 INFO L130 PetriNetUnfolder]: For 34/39 co-relation queries the response was YES. [2021-04-29 06:58:52,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 42 events. 9/42 cut-off events. For 34/39 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 99 event pairs, 2 based on Foata normal form. 3/37 useless extension candidates. Maximal degree in co-relation 48. Up to 16 conditions per place. [2021-04-29 06:58:52,108 INFO L146 LiptonReduction]: Number of co-enabled transitions 74 [2021-04-29 06:58:52,123 INFO L158 LiptonReduction]: Checked pairs total: 30 [2021-04-29 06:58:52,123 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:58:52,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-04-29 06:58:52,124 INFO L480 AbstractCegarLoop]: Abstraction has has 23 places, 22 transitions, 117 flow [2021-04-29 06:58:52,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:52,125 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:52,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-04-29 06:58:52,340 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:52,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:52,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1939623033, now seen corresponding path program 2 times [2021-04-29 06:58:52,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:52,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441514689] [2021-04-29 06:58:52,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:52,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 06:58:52,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 06:58:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 06:58:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:58:52,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441514689] [2021-04-29 06:58:52,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 06:58:52,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 06:58:52,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000038199] [2021-04-29 06:58:52,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 06:58:52,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:52,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 06:58:52,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 06:58:52,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 37 [2021-04-29 06:58:52,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 22 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:52,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 37 [2021-04-29 06:58:52,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:52,472 INFO L129 PetriNetUnfolder]: 18/61 cut-off events. [2021-04-29 06:58:52,473 INFO L130 PetriNetUnfolder]: For 135/176 co-relation queries the response was YES. [2021-04-29 06:58:52,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 61 events. 18/61 cut-off events. For 135/176 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 170 event pairs, 3 based on Foata normal form. 14/62 useless extension candidates. Maximal degree in co-relation 67. Up to 23 conditions per place. [2021-04-29 06:58:52,476 INFO L132 encePairwiseOnDemand]: 32/37 looper letters, 7 selfloop transitions, 8 changer transitions 0/25 dead transitions. [2021-04-29 06:58:52,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 25 transitions, 161 flow [2021-04-29 06:58:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 06:58:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 06:58:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2021-04-29 06:58:52,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6081081081081081 [2021-04-29 06:58:52,482 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 90 transitions. [2021-04-29 06:58:52,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 90 transitions. [2021-04-29 06:58:52,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:52,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 90 transitions. [2021-04-29 06:58:52,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,488 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,489 INFO L185 Difference]: Start difference. First operand has 23 places, 22 transitions, 117 flow. Second operand 4 states and 90 transitions. [2021-04-29 06:58:52,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 25 transitions, 161 flow [2021-04-29 06:58:52,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 25 transitions, 161 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 06:58:52,495 INFO L241 Difference]: Finished difference. Result has 28 places, 24 transitions, 166 flow [2021-04-29 06:58:52,495 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=166, PETRI_PLACES=28, PETRI_TRANSITIONS=24} [2021-04-29 06:58:52,496 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2021-04-29 06:58:52,496 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:52,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 24 transitions, 166 flow [2021-04-29 06:58:52,497 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 24 transitions, 166 flow [2021-04-29 06:58:52,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 24 transitions, 166 flow [2021-04-29 06:58:52,511 INFO L129 PetriNetUnfolder]: 11/51 cut-off events. [2021-04-29 06:58:52,511 INFO L130 PetriNetUnfolder]: For 62/71 co-relation queries the response was YES. [2021-04-29 06:58:52,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 51 events. 11/51 cut-off events. For 62/71 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 130 event pairs, 2 based on Foata normal form. 4/43 useless extension candidates. Maximal degree in co-relation 60. Up to 18 conditions per place. [2021-04-29 06:58:52,513 INFO L146 LiptonReduction]: Number of co-enabled transitions 82 [2021-04-29 06:58:52,533 INFO L158 LiptonReduction]: Checked pairs total: 44 [2021-04-29 06:58:52,533 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:58:52,533 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-04-29 06:58:52,536 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 24 transitions, 166 flow [2021-04-29 06:58:52,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:52,537 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:52,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:52,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 06:58:52,543 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:52,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:52,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1630305241, now seen corresponding path program 1 times [2021-04-29 06:58:52,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:52,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73665561] [2021-04-29 06:58:52,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:52,663 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:58:52,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:52,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:58:52,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:52,723 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-04-29 06:58:52,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:58:52,753 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-04-29 06:58:52,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:52,792 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:58:52,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:58:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:52,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73665561] [2021-04-29 06:58:52,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029185124] [2021-04-29 06:58:52,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:52,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-29 06:58:52,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:58:52,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,883 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-04-29 06:58:52,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:52,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:52,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:52,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:52,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:52,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:52,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:52,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:52,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:52,950 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:58:52,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:52,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:58:52,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:52,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:52,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:58:52,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,968 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:58:52,969 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:58:52,973 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:52,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:52,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:53,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:53,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:53,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:53,052 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 06:58:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:58:53,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:53,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:53,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:53,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:53,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 06:58:53,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:53,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:58:53,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-04-29 06:58:53,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263403183] [2021-04-29 06:58:53,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 06:58:53,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:53,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 06:58:53,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-04-29 06:58:53,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:58:53,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 24 transitions, 166 flow. Second operand has 14 states, 14 states have (on average 11.285714285714286) internal successors, (158), 14 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:53,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:53,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:58:53,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:53,553 INFO L129 PetriNetUnfolder]: 146/331 cut-off events. [2021-04-29 06:58:53,553 INFO L130 PetriNetUnfolder]: For 697/697 co-relation queries the response was YES. [2021-04-29 06:58:53,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1236 conditions, 331 events. 146/331 cut-off events. For 697/697 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1555 event pairs, 18 based on Foata normal form. 4/279 useless extension candidates. Maximal degree in co-relation 479. Up to 132 conditions per place. [2021-04-29 06:58:53,557 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 24 selfloop transitions, 37 changer transitions 34/99 dead transitions. [2021-04-29 06:58:53,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 99 transitions, 826 flow [2021-04-29 06:58:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 06:58:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 06:58:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 239 transitions. [2021-04-29 06:58:53,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40371621621621623 [2021-04-29 06:58:53,560 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 239 transitions. [2021-04-29 06:58:53,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 239 transitions. [2021-04-29 06:58:53,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:53,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 239 transitions. [2021-04-29 06:58:53,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 14.9375) internal successors, (239), 16 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:53,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:53,565 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:53,565 INFO L185 Difference]: Start difference. First operand has 28 places, 24 transitions, 166 flow. Second operand 16 states and 239 transitions. [2021-04-29 06:58:53,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 99 transitions, 826 flow [2021-04-29 06:58:53,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 99 transitions, 807 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-04-29 06:58:53,574 INFO L241 Difference]: Finished difference. Result has 48 places, 54 transitions, 560 flow [2021-04-29 06:58:53,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=560, PETRI_PLACES=48, PETRI_TRANSITIONS=54} [2021-04-29 06:58:53,574 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 22 predicate places. [2021-04-29 06:58:53,574 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:53,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 54 transitions, 560 flow [2021-04-29 06:58:53,575 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 54 transitions, 560 flow [2021-04-29 06:58:53,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 54 transitions, 560 flow [2021-04-29 06:58:53,590 INFO L129 PetriNetUnfolder]: 41/111 cut-off events. [2021-04-29 06:58:53,590 INFO L130 PetriNetUnfolder]: For 434/434 co-relation queries the response was YES. [2021-04-29 06:58:53,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 111 events. 41/111 cut-off events. For 434/434 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 381 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 491. Up to 43 conditions per place. [2021-04-29 06:58:53,593 INFO L146 LiptonReduction]: Number of co-enabled transitions 72 [2021-04-29 06:58:53,607 INFO L158 LiptonReduction]: Checked pairs total: 483 [2021-04-29 06:58:53,608 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:58:53,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-29 06:58:53,609 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 54 transitions, 560 flow [2021-04-29 06:58:53,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.285714285714286) internal successors, (158), 14 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:53,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:53,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:53,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:53,824 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:53,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:53,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1517119145, now seen corresponding path program 2 times [2021-04-29 06:58:53,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:53,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465209643] [2021-04-29 06:58:53,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:53,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:58:53,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:53,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:53,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:58:53,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:53,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:53,935 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:58:53,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:53,954 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:58:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:58:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:53,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465209643] [2021-04-29 06:58:53,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045386246] [2021-04-29 06:58:53,968 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:53,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 06:58:53,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:58:53,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-29 06:58:53,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:58:53,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:54,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:54,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:54,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:54,068 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:58:54,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:54,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:58:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:54,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:58:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:54,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,084 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:58:54,084 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:58:54,086 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:54,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:54,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:54,169 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:58:54,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:58:54,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:54,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:54,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:54,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,203 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:58:54,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:54,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:54,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:58:54,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:54,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:54,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:58:54,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,218 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:58:54,219 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:58:54,220 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:54,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:54,264 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:58:54,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:58:54,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:54,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:54,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:54,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:54,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:54,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:58:54,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-04-29 06:58:54,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124697080] [2021-04-29 06:58:54,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-04-29 06:58:54,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:54,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-04-29 06:58:54,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-04-29 06:58:54,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:58:54,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 54 transitions, 560 flow. Second operand has 16 states, 16 states have (on average 11.125) internal successors, (178), 16 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:54,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:54,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:58:54,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:54,719 INFO L129 PetriNetUnfolder]: 103/232 cut-off events. [2021-04-29 06:58:54,719 INFO L130 PetriNetUnfolder]: For 827/827 co-relation queries the response was YES. [2021-04-29 06:58:54,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1173 conditions, 232 events. 103/232 cut-off events. For 827/827 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 954 event pairs, 25 based on Foata normal form. 2/234 useless extension candidates. Maximal degree in co-relation 1147. Up to 164 conditions per place. [2021-04-29 06:58:54,723 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 54 selfloop transitions, 33 changer transitions 7/98 dead transitions. [2021-04-29 06:58:54,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 98 transitions, 1107 flow [2021-04-29 06:58:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 06:58:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 06:58:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 232 transitions. [2021-04-29 06:58:54,726 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3483483483483483 [2021-04-29 06:58:54,726 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 232 transitions. [2021-04-29 06:58:54,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 232 transitions. [2021-04-29 06:58:54,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:54,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 232 transitions. [2021-04-29 06:58:54,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 12.88888888888889) internal successors, (232), 18 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:54,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 37.0) internal successors, (703), 19 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:54,731 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 37.0) internal successors, (703), 19 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:54,731 INFO L185 Difference]: Start difference. First operand has 43 places, 54 transitions, 560 flow. Second operand 18 states and 232 transitions. [2021-04-29 06:58:54,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 98 transitions, 1107 flow [2021-04-29 06:58:54,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 98 transitions, 1005 flow, removed 51 selfloop flow, removed 3 redundant places. [2021-04-29 06:58:54,744 INFO L241 Difference]: Finished difference. Result has 63 places, 82 transitions, 872 flow [2021-04-29 06:58:54,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=872, PETRI_PLACES=63, PETRI_TRANSITIONS=82} [2021-04-29 06:58:54,745 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 37 predicate places. [2021-04-29 06:58:54,745 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:54,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 82 transitions, 872 flow [2021-04-29 06:58:54,746 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 82 transitions, 872 flow [2021-04-29 06:58:54,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 82 transitions, 872 flow [2021-04-29 06:58:54,767 INFO L129 PetriNetUnfolder]: 49/135 cut-off events. [2021-04-29 06:58:54,767 INFO L130 PetriNetUnfolder]: For 549/560 co-relation queries the response was YES. [2021-04-29 06:58:54,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 135 events. 49/135 cut-off events. For 549/560 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 535 event pairs, 1 based on Foata normal form. 1/136 useless extension candidates. Maximal degree in co-relation 639. Up to 52 conditions per place. [2021-04-29 06:58:54,770 INFO L146 LiptonReduction]: Number of co-enabled transitions 96 [2021-04-29 06:58:54,799 INFO L158 LiptonReduction]: Checked pairs total: 1225 [2021-04-29 06:58:54,799 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:58:54,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-04-29 06:58:54,800 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 82 transitions, 872 flow [2021-04-29 06:58:54,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.125) internal successors, (178), 16 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:54,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:54,801 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:55,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:55,017 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:55,018 INFO L82 PathProgramCache]: Analyzing trace with hash -677368863, now seen corresponding path program 3 times [2021-04-29 06:58:55,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:55,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725945943] [2021-04-29 06:58:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:55,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:58:55,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,105 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:58:55,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:55,119 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 06:58:55,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:55,129 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 06:58:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:55,150 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:58:55,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:55,172 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:58:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:58:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:55,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725945943] [2021-04-29 06:58:55,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655135031] [2021-04-29 06:58:55,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:55,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 06:58:55,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:58:55,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 17 conjunts are in the unsatisfiable core [2021-04-29 06:58:55,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:58:55,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:55,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:55,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:55,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:55,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:55,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:55,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:55,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:55,331 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-29 06:58:55,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:55,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 06:58:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 06:58:55,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:55,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 06:58:55,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 06:58:55,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,350 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-04-29 06:58:55,350 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 06:58:55,353 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,359 INFO L147 QuantifierPusher]: treesize reduction 13, result has 75.5 percent of original size 40 [2021-04-29 06:58:55,365 INFO L142 QuantifierPusher]: treesize reduction 13, result has 75.5 percent of original size [2021-04-29 06:58:55,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:55,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:55,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:55,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:55,422 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:58:55,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:55,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:55,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:55,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:55,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:55,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:55,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,445 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:58:55,445 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:58:55,447 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:58:55,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:58:55,487 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:58:55,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:55,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:55,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:55,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:55,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:55,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:55,521 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:58:55,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:58:55,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:55,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:55,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:55,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:55,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:55,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:58:55,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-04-29 06:58:55,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415516925] [2021-04-29 06:58:55,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 06:58:55,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:55,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 06:58:55,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-04-29 06:58:55,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:58:55,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 82 transitions, 872 flow. Second operand has 15 states, 15 states have (on average 11.2) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:55,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:55,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:58:55,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:56,330 INFO L129 PetriNetUnfolder]: 139/320 cut-off events. [2021-04-29 06:58:56,330 INFO L130 PetriNetUnfolder]: For 1488/1490 co-relation queries the response was YES. [2021-04-29 06:58:56,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 320 events. 139/320 cut-off events. For 1488/1490 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1521 event pairs, 6 based on Foata normal form. 6/326 useless extension candidates. Maximal degree in co-relation 1680. Up to 151 conditions per place. [2021-04-29 06:58:56,335 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 44 selfloop transitions, 84 changer transitions 21/153 dead transitions. [2021-04-29 06:58:56,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 153 transitions, 1840 flow [2021-04-29 06:58:56,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 06:58:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 06:58:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 318 transitions. [2021-04-29 06:58:56,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3581081081081081 [2021-04-29 06:58:56,338 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 318 transitions. [2021-04-29 06:58:56,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 318 transitions. [2021-04-29 06:58:56,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:56,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 318 transitions. [2021-04-29 06:58:56,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 13.25) internal successors, (318), 24 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:56,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 37.0) internal successors, (925), 25 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:56,342 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 37.0) internal successors, (925), 25 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:56,343 INFO L185 Difference]: Start difference. First operand has 61 places, 82 transitions, 872 flow. Second operand 24 states and 318 transitions. [2021-04-29 06:58:56,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 153 transitions, 1840 flow [2021-04-29 06:58:56,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 153 transitions, 1778 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-04-29 06:58:56,362 INFO L241 Difference]: Finished difference. Result has 88 places, 121 transitions, 1526 flow [2021-04-29 06:58:56,362 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1526, PETRI_PLACES=88, PETRI_TRANSITIONS=121} [2021-04-29 06:58:56,362 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 62 predicate places. [2021-04-29 06:58:56,362 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:56,362 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 121 transitions, 1526 flow [2021-04-29 06:58:56,363 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 121 transitions, 1526 flow [2021-04-29 06:58:56,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 121 transitions, 1526 flow [2021-04-29 06:58:56,393 INFO L129 PetriNetUnfolder]: 67/186 cut-off events. [2021-04-29 06:58:56,393 INFO L130 PetriNetUnfolder]: For 1105/1110 co-relation queries the response was YES. [2021-04-29 06:58:56,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 186 events. 67/186 cut-off events. For 1105/1110 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 883 event pairs, 1 based on Foata normal form. 1/187 useless extension candidates. Maximal degree in co-relation 1025. Up to 75 conditions per place. [2021-04-29 06:58:56,396 INFO L146 LiptonReduction]: Number of co-enabled transitions 122 [2021-04-29 06:58:56,485 INFO L158 LiptonReduction]: Checked pairs total: 2805 [2021-04-29 06:58:56,485 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:58:56,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-04-29 06:58:56,486 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 121 transitions, 1526 flow [2021-04-29 06:58:56,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.2) internal successors, (168), 15 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:56,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:56,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:56,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:56,701 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:56,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:56,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1960409225, now seen corresponding path program 4 times [2021-04-29 06:58:56,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:56,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468218880] [2021-04-29 06:58:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:56,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:58:56,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:56,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:56,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:58:56,785 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 06:58:56,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:58:56,803 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:58:56,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:56,822 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:58:56,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:58:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:56,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468218880] [2021-04-29 06:58:56,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986486200] [2021-04-29 06:58:56,836 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:56,859 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 06:58:56,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:58:56,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-29 06:58:56,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:58:56,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:56,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:56,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:56,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:56,921 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:58:56,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:56,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:58:56,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:56,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:56,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:58:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:56,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,936 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:58:56,937 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:58:56,939 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:56,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:56,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:56,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:56,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:56,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:56,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:56,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:57,017 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:58:57,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:57,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:57,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,032 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:58:57,032 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:58:57,034 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:58:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:58:57,073 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:58:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:57,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:57,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:57,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:57,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:57,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:57,101 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:58:57,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:58:57,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:57,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:57,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:57,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:57,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:57,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:58:57,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-04-29 06:58:57,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783222817] [2021-04-29 06:58:57,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-04-29 06:58:57,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:57,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-04-29 06:58:57,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2021-04-29 06:58:57,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:58:57,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 121 transitions, 1526 flow. Second operand has 16 states, 16 states have (on average 11.125) internal successors, (178), 16 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:57,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:57,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:58:57,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:57,786 INFO L129 PetriNetUnfolder]: 165/374 cut-off events. [2021-04-29 06:58:57,786 INFO L130 PetriNetUnfolder]: For 2469/2471 co-relation queries the response was YES. [2021-04-29 06:58:57,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2291 conditions, 374 events. 165/374 cut-off events. For 2469/2471 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1847 event pairs, 26 based on Foata normal form. 6/380 useless extension candidates. Maximal degree in co-relation 2256. Up to 217 conditions per place. [2021-04-29 06:58:57,792 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 77 selfloop transitions, 79 changer transitions 18/178 dead transitions. [2021-04-29 06:58:57,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 178 transitions, 2505 flow [2021-04-29 06:58:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 06:58:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 06:58:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 295 transitions. [2021-04-29 06:58:57,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36240786240786244 [2021-04-29 06:58:57,795 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 295 transitions. [2021-04-29 06:58:57,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 295 transitions. [2021-04-29 06:58:57,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:57,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 295 transitions. [2021-04-29 06:58:57,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 13.409090909090908) internal successors, (295), 22 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:57,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 37.0) internal successors, (851), 23 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 06:58:57,799 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 37.0) internal successors, (851), 23 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 06:58:57,800 INFO L185 Difference]: Start difference. First operand has 84 places, 121 transitions, 1526 flow. Second operand 22 states and 295 transitions. [2021-04-29 06:58:57,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 178 transitions, 2505 flow [2021-04-29 06:58:57,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 178 transitions, 2337 flow, removed 67 selfloop flow, removed 8 redundant places. [2021-04-29 06:58:57,838 INFO L241 Difference]: Finished difference. Result has 104 places, 145 transitions, 1935 flow [2021-04-29 06:58:57,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1402, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1935, PETRI_PLACES=104, PETRI_TRANSITIONS=145} [2021-04-29 06:58:57,839 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 78 predicate places. [2021-04-29 06:58:57,839 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:57,839 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 145 transitions, 1935 flow [2021-04-29 06:58:57,840 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 145 transitions, 1935 flow [2021-04-29 06:58:57,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 145 transitions, 1935 flow [2021-04-29 06:58:57,876 INFO L129 PetriNetUnfolder]: 81/221 cut-off events. [2021-04-29 06:58:57,876 INFO L130 PetriNetUnfolder]: For 1574/1582 co-relation queries the response was YES. [2021-04-29 06:58:57,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 221 events. 81/221 cut-off events. For 1574/1582 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1115 event pairs, 1 based on Foata normal form. 2/223 useless extension candidates. Maximal degree in co-relation 1299. Up to 89 conditions per place. [2021-04-29 06:58:57,881 INFO L146 LiptonReduction]: Number of co-enabled transitions 140 [2021-04-29 06:58:57,971 INFO L158 LiptonReduction]: Checked pairs total: 4200 [2021-04-29 06:58:57,971 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:58:57,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 132 [2021-04-29 06:58:57,972 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 145 transitions, 1935 flow [2021-04-29 06:58:57,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.125) internal successors, (178), 16 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:57,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:57,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:58,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-04-29 06:58:58,187 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:58,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:58,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1476278187, now seen corresponding path program 5 times [2021-04-29 06:58:58,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:58,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579939309] [2021-04-29 06:58:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:58:58,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:58,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:58,252 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-04-29 06:58:58,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 06:58:58,268 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 06:58:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:58:58,283 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:58:58,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:58,299 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:58:58,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:58:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:58,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579939309] [2021-04-29 06:58:58,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72043215] [2021-04-29 06:58:58,311 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 06:58:58,344 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 06:58:58,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:58:58,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-29 06:58:58,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:58,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:58:58,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:58,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:58,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:58,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:58,396 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:58:58,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:58:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:58:58,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:58:58,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,407 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:58:58,407 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:58:58,408 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:58,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:58,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,450 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:58:58,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:58:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:58,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:58,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:58:58,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,460 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:58:58,461 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:58:58,462 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:58,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:58:58,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:58,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:58,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:58,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:58,528 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:58:58,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:58,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:58,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:58,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:58,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:58,558 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:58:58,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:58:58,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:58:58,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:58:58,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:58:58,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:58,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:58,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:58:58,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-04-29 06:58:58,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032340805] [2021-04-29 06:58:58,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-04-29 06:58:58,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:58:58,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-04-29 06:58:58,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2021-04-29 06:58:58,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:58:58,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 145 transitions, 1935 flow. Second operand has 16 states, 16 states have (on average 11.125) internal successors, (178), 16 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:58,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:58:58,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:58:58,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:58:59,176 INFO L129 PetriNetUnfolder]: 187/418 cut-off events. [2021-04-29 06:58:59,177 INFO L130 PetriNetUnfolder]: For 3262/3262 co-relation queries the response was YES. [2021-04-29 06:58:59,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2699 conditions, 418 events. 187/418 cut-off events. For 3262/3262 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2107 event pairs, 30 based on Foata normal form. 4/422 useless extension candidates. Maximal degree in co-relation 2657. Up to 245 conditions per place. [2021-04-29 06:58:59,185 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 88 selfloop transitions, 87 changer transitions 18/197 dead transitions. [2021-04-29 06:58:59,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 197 transitions, 2975 flow [2021-04-29 06:58:59,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 06:58:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 06:58:59,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 255 transitions. [2021-04-29 06:58:59,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3627311522048364 [2021-04-29 06:58:59,188 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 255 transitions. [2021-04-29 06:58:59,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 255 transitions. [2021-04-29 06:58:59,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:58:59,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 255 transitions. [2021-04-29 06:58:59,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 13.421052631578947) internal successors, (255), 19 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:59,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:59,192 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 37.0) internal successors, (740), 20 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:59,192 INFO L185 Difference]: Start difference. First operand has 101 places, 145 transitions, 1935 flow. Second operand 19 states and 255 transitions. [2021-04-29 06:58:59,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 197 transitions, 2975 flow [2021-04-29 06:58:59,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 197 transitions, 2858 flow, removed 26 selfloop flow, removed 16 redundant places. [2021-04-29 06:58:59,233 INFO L241 Difference]: Finished difference. Result has 111 places, 170 transitions, 2488 flow [2021-04-29 06:58:59,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1826, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2488, PETRI_PLACES=111, PETRI_TRANSITIONS=170} [2021-04-29 06:58:59,234 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 85 predicate places. [2021-04-29 06:58:59,234 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:58:59,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 170 transitions, 2488 flow [2021-04-29 06:58:59,234 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 170 transitions, 2488 flow [2021-04-29 06:58:59,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 170 transitions, 2488 flow [2021-04-29 06:58:59,279 INFO L129 PetriNetUnfolder]: 92/244 cut-off events. [2021-04-29 06:58:59,280 INFO L130 PetriNetUnfolder]: For 1950/1954 co-relation queries the response was YES. [2021-04-29 06:58:59,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1643 conditions, 244 events. 92/244 cut-off events. For 1950/1954 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1226 event pairs, 1 based on Foata normal form. 2/246 useless extension candidates. Maximal degree in co-relation 1598. Up to 100 conditions per place. [2021-04-29 06:58:59,285 INFO L146 LiptonReduction]: Number of co-enabled transitions 168 [2021-04-29 06:58:59,334 INFO L158 LiptonReduction]: Checked pairs total: 5994 [2021-04-29 06:58:59,335 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:58:59,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-04-29 06:58:59,336 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 170 transitions, 2488 flow [2021-04-29 06:58:59,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.125) internal successors, (178), 16 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:58:59,336 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:58:59,336 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:58:59,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:59,550 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:58:59,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:58:59,550 INFO L82 PathProgramCache]: Analyzing trace with hash 702045593, now seen corresponding path program 6 times [2021-04-29 06:58:59,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:58:59,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508829331] [2021-04-29 06:58:59,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:58:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:58:59,591 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:58:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,601 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-04-29 06:58:59,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:58:59,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:58:59,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:59,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 06:58:59,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:58:59,724 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-04-29 06:58:59,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,746 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:58:59,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,767 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:58:59,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:58:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:58:59,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508829331] [2021-04-29 06:58:59,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034309187] [2021-04-29 06:58:59,784 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:58:59,817 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-04-29 06:58:59,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:58:59,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-04-29 06:58:59,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:58:59,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,847 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-04-29 06:58:59,848 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-04-29 06:58:59,849 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 06:58:59,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:58:59,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:58:59,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:58:59,954 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-04-29 06:58:59,955 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-04-29 06:58:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:58:59,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:59,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:59,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:58:59,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:58:59,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:00,031 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-29 06:59:00,038 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-04-29 06:59:00,041 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-04-29 06:59:00,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 06:59:00,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 06:59:00,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 06:59:00,092 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-04-29 06:59:00,093 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-04-29 06:59:00,094 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-04-29 06:59:00,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:00,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:00,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:00,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:00,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:00,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:00,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-04-29 06:59:00,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588209666] [2021-04-29 06:59:00,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-04-29 06:59:00,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:00,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-04-29 06:59:00,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-04-29 06:59:00,143 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:00,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 170 transitions, 2488 flow. Second operand has 19 states, 19 states have (on average 11.157894736842104) internal successors, (212), 19 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:00,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:00,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:00,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:01,185 INFO L129 PetriNetUnfolder]: 217/475 cut-off events. [2021-04-29 06:59:01,186 INFO L130 PetriNetUnfolder]: For 4843/4843 co-relation queries the response was YES. [2021-04-29 06:59:01,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3339 conditions, 475 events. 217/475 cut-off events. For 4843/4843 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2487 event pairs, 42 based on Foata normal form. 4/479 useless extension candidates. Maximal degree in co-relation 3296. Up to 367 conditions per place. [2021-04-29 06:59:01,195 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 160 selfloop transitions, 63 changer transitions 6/233 dead transitions. [2021-04-29 06:59:01,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 233 transitions, 3819 flow [2021-04-29 06:59:01,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 06:59:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 06:59:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 313 transitions. [2021-04-29 06:59:01,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3524774774774775 [2021-04-29 06:59:01,199 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 313 transitions. [2021-04-29 06:59:01,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 313 transitions. [2021-04-29 06:59:01,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:01,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 313 transitions. [2021-04-29 06:59:01,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 13.041666666666666) internal successors, (313), 24 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:01,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 37.0) internal successors, (925), 25 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:01,203 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 37.0) internal successors, (925), 25 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:01,204 INFO L185 Difference]: Start difference. First operand has 108 places, 170 transitions, 2488 flow. Second operand 24 states and 313 transitions. [2021-04-29 06:59:01,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 233 transitions, 3819 flow [2021-04-29 06:59:01,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 233 transitions, 3703 flow, removed 44 selfloop flow, removed 9 redundant places. [2021-04-29 06:59:01,264 INFO L241 Difference]: Finished difference. Result has 138 places, 215 transitions, 3310 flow [2021-04-29 06:59:01,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=2382, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3310, PETRI_PLACES=138, PETRI_TRANSITIONS=215} [2021-04-29 06:59:01,264 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 112 predicate places. [2021-04-29 06:59:01,264 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:01,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 215 transitions, 3310 flow [2021-04-29 06:59:01,265 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 215 transitions, 3310 flow [2021-04-29 06:59:01,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 215 transitions, 3310 flow [2021-04-29 06:59:01,334 INFO L129 PetriNetUnfolder]: 122/307 cut-off events. [2021-04-29 06:59:01,334 INFO L130 PetriNetUnfolder]: For 4247/4266 co-relation queries the response was YES. [2021-04-29 06:59:01,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2437 conditions, 307 events. 122/307 cut-off events. For 4247/4266 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1649 event pairs, 2 based on Foata normal form. 6/313 useless extension candidates. Maximal degree in co-relation 2384. Up to 126 conditions per place. [2021-04-29 06:59:01,342 INFO L146 LiptonReduction]: Number of co-enabled transitions 184 [2021-04-29 06:59:01,371 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:01,371 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:01,371 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-04-29 06:59:01,372 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 215 transitions, 3310 flow [2021-04-29 06:59:01,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.157894736842104) internal successors, (212), 19 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:01,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:01,373 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:01,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:01,587 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:01,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:01,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1448920969, now seen corresponding path program 7 times [2021-04-29 06:59:01,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:01,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244919087] [2021-04-29 06:59:01,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:01,622 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:01,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:01,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:01,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:01,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:01,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:01,715 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-04-29 06:59:01,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:01,747 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-04-29 06:59:01,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,772 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:59:01,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:01,795 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:01,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:01,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244919087] [2021-04-29 06:59:01,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771895402] [2021-04-29 06:59:01,813 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:01,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-04-29 06:59:01,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:01,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,870 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-04-29 06:59:01,871 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-04-29 06:59:01,872 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 06:59:01,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:01,948 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:01,950 INFO L147 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size 18 [2021-04-29 06:59:01,951 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-04-29 06:59:01,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:01,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:01,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:01,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:01,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:01,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:02,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:02,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:02,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:02,050 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-04-29 06:59:02,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:02,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:02,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:02,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:02,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:02,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:02,094 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-04-29 06:59:02,095 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-04-29 06:59:02,096 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 06:59:02,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:02,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:02,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:02,130 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:02,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:02,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:02,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:02,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:02,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-04-29 06:59:02,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519578724] [2021-04-29 06:59:02,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-04-29 06:59:02,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:02,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-04-29 06:59:02,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-04-29 06:59:02,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:02,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 215 transitions, 3310 flow. Second operand has 20 states, 20 states have (on average 11.1) internal successors, (222), 20 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:02,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:02,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:02,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:03,296 INFO L129 PetriNetUnfolder]: 238/526 cut-off events. [2021-04-29 06:59:03,296 INFO L130 PetriNetUnfolder]: For 8775/8775 co-relation queries the response was YES. [2021-04-29 06:59:03,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4562 conditions, 526 events. 238/526 cut-off events. For 8775/8775 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2894 event pairs, 15 based on Foata normal form. 2/528 useless extension candidates. Maximal degree in co-relation 4507. Up to 322 conditions per place. [2021-04-29 06:59:03,308 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 125 selfloop transitions, 143 changer transitions 5/277 dead transitions. [2021-04-29 06:59:03,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 277 transitions, 4860 flow [2021-04-29 06:59:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-29 06:59:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-04-29 06:59:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 345 transitions. [2021-04-29 06:59:03,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34534534534534533 [2021-04-29 06:59:03,311 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 345 transitions. [2021-04-29 06:59:03,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 345 transitions. [2021-04-29 06:59:03,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:03,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 345 transitions. [2021-04-29 06:59:03,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 12.777777777777779) internal successors, (345), 27 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:03,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:03,316 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:03,316 INFO L185 Difference]: Start difference. First operand has 136 places, 215 transitions, 3310 flow. Second operand 27 states and 345 transitions. [2021-04-29 06:59:03,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 277 transitions, 4860 flow [2021-04-29 06:59:03,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 277 transitions, 4551 flow, removed 113 selfloop flow, removed 6 redundant places. [2021-04-29 06:59:03,413 INFO L241 Difference]: Finished difference. Result has 167 places, 257 transitions, 4050 flow [2021-04-29 06:59:03,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=3031, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=4050, PETRI_PLACES=167, PETRI_TRANSITIONS=257} [2021-04-29 06:59:03,414 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 141 predicate places. [2021-04-29 06:59:03,414 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:03,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 257 transitions, 4050 flow [2021-04-29 06:59:03,415 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 257 transitions, 4050 flow [2021-04-29 06:59:03,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 257 transitions, 4050 flow [2021-04-29 06:59:03,498 INFO L129 PetriNetUnfolder]: 149/372 cut-off events. [2021-04-29 06:59:03,499 INFO L130 PetriNetUnfolder]: For 8028/8051 co-relation queries the response was YES. [2021-04-29 06:59:03,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3335 conditions, 372 events. 149/372 cut-off events. For 8028/8051 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2115 event pairs, 4 based on Foata normal form. 8/380 useless extension candidates. Maximal degree in co-relation 3272. Up to 145 conditions per place. [2021-04-29 06:59:03,509 INFO L146 LiptonReduction]: Number of co-enabled transitions 170 [2021-04-29 06:59:03,549 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:03,549 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:03,549 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 135 [2021-04-29 06:59:03,550 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 257 transitions, 4050 flow [2021-04-29 06:59:03,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.1) internal successors, (222), 20 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:03,550 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:03,550 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:03,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:03,764 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:03,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:03,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1541855047, now seen corresponding path program 8 times [2021-04-29 06:59:03,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:03,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328905575] [2021-04-29 06:59:03,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:03,806 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:03,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:03,816 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:59:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:03,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:03,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 06:59:03,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:03,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:03,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:03,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 06:59:03,989 INFO L142 QuantifierPusher]: treesize reduction 26, result has 61.8 percent of original size [2021-04-29 06:59:03,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:04,041 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.9 percent of original size [2021-04-29 06:59:04,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 06:59:04,077 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-04-29 06:59:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:04,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328905575] [2021-04-29 06:59:04,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645768601] [2021-04-29 06:59:04,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:04,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 06:59:04,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:04,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 17 conjunts are in the unsatisfiable core [2021-04-29 06:59:04,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:04,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,153 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-04-29 06:59:04,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:04,211 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:04,213 INFO L147 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size 18 [2021-04-29 06:59:04,214 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-04-29 06:59:04,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:04,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:04,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:04,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:04,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:04,291 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 06:59:04,293 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-04-29 06:59:04,294 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-04-29 06:59:04,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:04,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:04,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:04,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:04,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:04,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:04,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:04,352 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-04-29 06:59:04,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 06:59:04,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:04,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:04,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:04,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 06:59:04,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,366 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:04,366 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:04,368 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:04,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:04,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:04,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2021-04-29 06:59:04,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712574835] [2021-04-29 06:59:04,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-29 06:59:04,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:04,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-29 06:59:04,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-04-29 06:59:04,431 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:04,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 257 transitions, 4050 flow. Second operand has 17 states, 17 states have (on average 11.294117647058824) internal successors, (192), 17 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:04,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:04,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:04,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:05,372 INFO L129 PetriNetUnfolder]: 270/601 cut-off events. [2021-04-29 06:59:05,373 INFO L130 PetriNetUnfolder]: For 16775/16775 co-relation queries the response was YES. [2021-04-29 06:59:05,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6205 conditions, 601 events. 270/601 cut-off events. For 16775/16775 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3364 event pairs, 23 based on Foata normal form. 3/604 useless extension candidates. Maximal degree in co-relation 6140. Up to 344 conditions per place. [2021-04-29 06:59:05,387 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 158 selfloop transitions, 147 changer transitions 13/322 dead transitions. [2021-04-29 06:59:05,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 322 transitions, 6264 flow [2021-04-29 06:59:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 06:59:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 06:59:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 284 transitions. [2021-04-29 06:59:05,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3655083655083655 [2021-04-29 06:59:05,389 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 284 transitions. [2021-04-29 06:59:05,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 284 transitions. [2021-04-29 06:59:05,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:05,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 284 transitions. [2021-04-29 06:59:05,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.523809523809524) internal successors, (284), 21 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:05,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 37.0) internal successors, (814), 22 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:05,393 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 37.0) internal successors, (814), 22 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:05,393 INFO L185 Difference]: Start difference. First operand has 165 places, 257 transitions, 4050 flow. Second operand 21 states and 284 transitions. [2021-04-29 06:59:05,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 322 transitions, 6264 flow [2021-04-29 06:59:05,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 322 transitions, 5797 flow, removed 204 selfloop flow, removed 12 redundant places. [2021-04-29 06:59:05,516 INFO L241 Difference]: Finished difference. Result has 180 places, 291 transitions, 4893 flow [2021-04-29 06:59:05,516 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=3783, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=4893, PETRI_PLACES=180, PETRI_TRANSITIONS=291} [2021-04-29 06:59:05,517 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 154 predicate places. [2021-04-29 06:59:05,517 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:05,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 291 transitions, 4893 flow [2021-04-29 06:59:05,517 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 291 transitions, 4893 flow [2021-04-29 06:59:05,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 177 places, 291 transitions, 4893 flow [2021-04-29 06:59:05,610 INFO L129 PetriNetUnfolder]: 164/420 cut-off events. [2021-04-29 06:59:05,610 INFO L130 PetriNetUnfolder]: For 9309/9352 co-relation queries the response was YES. [2021-04-29 06:59:05,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3923 conditions, 420 events. 164/420 cut-off events. For 9309/9352 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2500 event pairs, 6 based on Foata normal form. 10/430 useless extension candidates. Maximal degree in co-relation 3855. Up to 165 conditions per place. [2021-04-29 06:59:05,621 INFO L146 LiptonReduction]: Number of co-enabled transitions 188 [2021-04-29 06:59:05,667 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:05,667 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:05,667 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-04-29 06:59:05,668 INFO L480 AbstractCegarLoop]: Abstraction has has 177 places, 291 transitions, 4893 flow [2021-04-29 06:59:05,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.294117647058824) internal successors, (192), 17 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:05,668 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:05,669 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:05,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:05,883 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:05,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:05,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1840613977, now seen corresponding path program 9 times [2021-04-29 06:59:05,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:05,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815423634] [2021-04-29 06:59:05,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:05,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:05,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:05,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:05,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:05,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:05,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:05,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:05,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:05,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:05,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 06:59:06,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:06,031 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 06:59:06,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,052 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:59:06,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:06,073 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:06,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:06,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815423634] [2021-04-29 06:59:06,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798915039] [2021-04-29 06:59:06,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:06,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 06:59:06,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:06,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-04-29 06:59:06,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:06,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,194 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-04-29 06:59:06,195 INFO L147 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size 16 [2021-04-29 06:59:06,196 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-04-29 06:59:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:06,249 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:06,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:06,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:06,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:06,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:06,278 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-04-29 06:59:06,280 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-04-29 06:59:06,280 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 06:59:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:06,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:06,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:06,310 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 06:59:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:06,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:06,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:06,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:06,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:06,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:06,357 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-04-29 06:59:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:06,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:06,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:06,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:06,391 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:06,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:06,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:06,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:06,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:06,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-04-29 06:59:06,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308901483] [2021-04-29 06:59:06,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-04-29 06:59:06,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:06,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-04-29 06:59:06,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-04-29 06:59:06,441 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:06,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 291 transitions, 4893 flow. Second operand has 20 states, 20 states have (on average 11.1) internal successors, (222), 20 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:06,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:06,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:06,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:07,142 INFO L129 PetriNetUnfolder]: 264/592 cut-off events. [2021-04-29 06:59:07,142 INFO L130 PetriNetUnfolder]: For 16009/16009 co-relation queries the response was YES. [2021-04-29 06:59:07,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6215 conditions, 592 events. 264/592 cut-off events. For 16009/16009 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3378 event pairs, 62 based on Foata normal form. 2/594 useless extension candidates. Maximal degree in co-relation 6145. Up to 546 conditions per place. [2021-04-29 06:59:07,156 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 265 selfloop transitions, 13 changer transitions 24/306 dead transitions. [2021-04-29 06:59:07,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 306 transitions, 5876 flow [2021-04-29 06:59:07,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 06:59:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 06:59:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 200 transitions. [2021-04-29 06:59:07,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33783783783783783 [2021-04-29 06:59:07,158 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 200 transitions. [2021-04-29 06:59:07,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 200 transitions. [2021-04-29 06:59:07,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:07,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 200 transitions. [2021-04-29 06:59:07,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 12.5) internal successors, (200), 16 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:07,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:07,161 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:07,161 INFO L185 Difference]: Start difference. First operand has 177 places, 291 transitions, 4893 flow. Second operand 16 states and 200 transitions. [2021-04-29 06:59:07,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 306 transitions, 5876 flow [2021-04-29 06:59:07,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 306 transitions, 5613 flow, removed 92 selfloop flow, removed 15 redundant places. [2021-04-29 06:59:07,252 INFO L241 Difference]: Finished difference. Result has 184 places, 280 transitions, 4484 flow [2021-04-29 06:59:07,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=4640, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4484, PETRI_PLACES=184, PETRI_TRANSITIONS=280} [2021-04-29 06:59:07,253 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 158 predicate places. [2021-04-29 06:59:07,253 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:07,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 280 transitions, 4484 flow [2021-04-29 06:59:07,254 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 280 transitions, 4484 flow [2021-04-29 06:59:07,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 280 transitions, 4484 flow [2021-04-29 06:59:07,322 INFO L129 PetriNetUnfolder]: 161/402 cut-off events. [2021-04-29 06:59:07,322 INFO L130 PetriNetUnfolder]: For 10412/10467 co-relation queries the response was YES. [2021-04-29 06:59:07,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3806 conditions, 402 events. 161/402 cut-off events. For 10412/10467 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2322 event pairs, 5 based on Foata normal form. 11/412 useless extension candidates. Maximal degree in co-relation 3737. Up to 157 conditions per place. [2021-04-29 06:59:07,332 INFO L146 LiptonReduction]: Number of co-enabled transitions 186 [2021-04-29 06:59:07,370 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:07,370 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:07,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-04-29 06:59:07,371 INFO L480 AbstractCegarLoop]: Abstraction has has 172 places, 280 transitions, 4484 flow [2021-04-29 06:59:07,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.1) internal successors, (222), 20 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:07,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:07,372 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:07,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:07,587 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:07,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:07,588 INFO L82 PathProgramCache]: Analyzing trace with hash -2108179389, now seen corresponding path program 10 times [2021-04-29 06:59:07,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:07,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308613430] [2021-04-29 06:59:07,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:07,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:07,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:07,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:07,639 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:07,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:07,654 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 06:59:07,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:07,674 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 06:59:07,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 06:59:07,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:07,706 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 06:59:07,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:07,725 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:59:07,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:07,744 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:07,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:07,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308613430] [2021-04-29 06:59:07,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181792502] [2021-04-29 06:59:07,761 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:07,782 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 06:59:07,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:07,783 WARN L261 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 06:59:07,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:07,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:07,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:07,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:07,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:07,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:07,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:07,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:07,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:07,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:07,886 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 06:59:07,887 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size 45 [2021-04-29 06:59:07,888 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size [2021-04-29 06:59:07,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:07,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:07,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:07,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 06:59:07,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 06:59:07,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 06:59:07,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:07,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 06:59:08,032 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size [2021-04-29 06:59:08,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:08,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:08,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:08,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:08,097 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-04-29 06:59:08,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:08,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:08,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:08,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:08,134 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 06:59:08,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:08,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:08,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:08,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:08,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:08,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:08,182 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-04-29 06:59:08,183 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-04-29 06:59:08,184 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 06:59:08,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:08,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:08,216 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:08,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:08,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:08,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:08,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:08,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 06:59:08,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395283934] [2021-04-29 06:59:08,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 06:59:08,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:08,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 06:59:08,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2021-04-29 06:59:08,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:08,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 280 transitions, 4484 flow. Second operand has 22 states, 22 states have (on average 11.0) internal successors, (242), 22 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:08,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:08,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:08,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:09,196 INFO L129 PetriNetUnfolder]: 280/627 cut-off events. [2021-04-29 06:59:09,196 INFO L130 PetriNetUnfolder]: For 22037/22037 co-relation queries the response was YES. [2021-04-29 06:59:09,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6837 conditions, 627 events. 280/627 cut-off events. For 22037/22037 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3599 event pairs, 6 based on Foata normal form. 2/629 useless extension candidates. Maximal degree in co-relation 6762. Up to 212 conditions per place. [2021-04-29 06:59:09,208 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 85 selfloop transitions, 179 changer transitions 98/366 dead transitions. [2021-04-29 06:59:09,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 366 transitions, 7067 flow [2021-04-29 06:59:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-29 06:59:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-04-29 06:59:09,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 324 transitions. [2021-04-29 06:59:09,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3367983367983368 [2021-04-29 06:59:09,210 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 324 transitions. [2021-04-29 06:59:09,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 324 transitions. [2021-04-29 06:59:09,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:09,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 324 transitions. [2021-04-29 06:59:09,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 12.461538461538462) internal successors, (324), 26 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:09,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 37.0) internal successors, (999), 27 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:09,214 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 37.0) internal successors, (999), 27 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:09,214 INFO L185 Difference]: Start difference. First operand has 172 places, 280 transitions, 4484 flow. Second operand 26 states and 324 transitions. [2021-04-29 06:59:09,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 366 transitions, 7067 flow [2021-04-29 06:59:09,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 366 transitions, 6738 flow, removed 150 selfloop flow, removed 12 redundant places. [2021-04-29 06:59:09,309 INFO L241 Difference]: Finished difference. Result has 200 places, 258 transitions, 5048 flow [2021-04-29 06:59:09,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=4323, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=5048, PETRI_PLACES=200, PETRI_TRANSITIONS=258} [2021-04-29 06:59:09,309 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 174 predicate places. [2021-04-29 06:59:09,309 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:09,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 258 transitions, 5048 flow [2021-04-29 06:59:09,310 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 258 transitions, 5048 flow [2021-04-29 06:59:09,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 258 transitions, 5048 flow [2021-04-29 06:59:09,397 INFO L129 PetriNetUnfolder]: 190/431 cut-off events. [2021-04-29 06:59:09,397 INFO L130 PetriNetUnfolder]: For 17507/17529 co-relation queries the response was YES. [2021-04-29 06:59:09,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5019 conditions, 431 events. 190/431 cut-off events. For 17507/17529 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2300 event pairs, 8 based on Foata normal form. 3/428 useless extension candidates. Maximal degree in co-relation 4941. Up to 160 conditions per place. [2021-04-29 06:59:09,405 INFO L146 LiptonReduction]: Number of co-enabled transitions 112 [2021-04-29 06:59:09,425 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:09,425 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:09,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 116 [2021-04-29 06:59:09,426 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 258 transitions, 5048 flow [2021-04-29 06:59:09,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.0) internal successors, (242), 22 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:09,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:09,426 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:09,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-04-29 06:59:09,627 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:09,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:09,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1631346401, now seen corresponding path program 11 times [2021-04-29 06:59:09,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:09,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766247414] [2021-04-29 06:59:09,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:09,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:09,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:09,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:09,677 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:09,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:09,692 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 06:59:09,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:09,709 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:09,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:09,711 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 06:59:09,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:09,712 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 06:59:09,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:09,732 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:59:09,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:09,748 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:09,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-29 06:59:09,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766247414] [2021-04-29 06:59:09,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544438156] [2021-04-29 06:59:09,765 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:09,791 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 06:59:09,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:09,792 WARN L261 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 06:59:09,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:09,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 06:59:09,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:09,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:09,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:09,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:09,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:09,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:09,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:09,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:09,867 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 06:59:09,868 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size 45 [2021-04-29 06:59:09,869 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size [2021-04-29 06:59:09,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:09,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:09,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:09,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 06:59:09,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 06:59:09,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 06:59:09,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 06:59:10,012 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-04-29 06:59:10,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:10,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 06:59:10,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-29 06:59:10,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:10,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 06:59:10,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-29 06:59:10,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:10,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,023 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:10,024 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:10,026 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 06:59:10,029 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2021-04-29 06:59:10,029 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:10,031 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,035 INFO L147 QuantifierPusher]: treesize reduction 29, result has 68.5 percent of original size 63 [2021-04-29 06:59:10,036 INFO L142 QuantifierPusher]: treesize reduction 29, result has 68.5 percent of original size [2021-04-29 06:59:10,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 06:59:10,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-29 06:59:10,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-29 06:59:10,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-29 06:59:10,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-29 06:59:10,222 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.9 percent of original size [2021-04-29 06:59:10,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:10,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-29 06:59:10,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 06:59:10,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:10,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-29 06:59:10,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 06:59:10,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:10,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,240 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2021-04-29 06:59:10,240 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:10,242 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,244 INFO L147 QuantifierPusher]: treesize reduction 6, result has 94.6 percent of original size 105 [2021-04-29 06:59:10,245 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 3, 1] term [2021-04-29 06:59:10,246 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:10,247 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,249 INFO L147 QuantifierPusher]: treesize reduction 23, result has 82.8 percent of original size 111 [2021-04-29 06:59:10,251 INFO L142 QuantifierPusher]: treesize reduction 23, result has 82.8 percent of original size [2021-04-29 06:59:10,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-04-29 06:59:10,386 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2021-04-29 06:59:10,388 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-04-29 06:59:10,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:10,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:10,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:10,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:10,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:10,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:10,423 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:10,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:10,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:10,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:10,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:10,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 18 [2021-04-29 06:59:10,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889215293] [2021-04-29 06:59:10,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-04-29 06:59:10,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:10,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-04-29 06:59:10,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2021-04-29 06:59:10,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:10,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 258 transitions, 5048 flow. Second operand has 20 states, 20 states have (on average 11.05) internal successors, (221), 20 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:10,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:10,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:10,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:11,154 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2021-04-29 06:59:11,793 INFO L129 PetriNetUnfolder]: 247/528 cut-off events. [2021-04-29 06:59:11,794 INFO L130 PetriNetUnfolder]: For 29198/29198 co-relation queries the response was YES. [2021-04-29 06:59:11,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6978 conditions, 528 events. 247/528 cut-off events. For 29198/29198 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2792 event pairs, 6 based on Foata normal form. 2/530 useless extension candidates. Maximal degree in co-relation 6897. Up to 193 conditions per place. [2021-04-29 06:59:11,808 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 88 selfloop transitions, 192 changer transitions 10/294 dead transitions. [2021-04-29 06:59:11,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 294 transitions, 6816 flow [2021-04-29 06:59:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 06:59:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 06:59:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 319 transitions. [2021-04-29 06:59:11,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34486486486486484 [2021-04-29 06:59:11,810 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 319 transitions. [2021-04-29 06:59:11,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 319 transitions. [2021-04-29 06:59:11,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:11,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 319 transitions. [2021-04-29 06:59:11,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 12.76) internal successors, (319), 25 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:11,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:11,816 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:11,816 INFO L185 Difference]: Start difference. First operand has 163 places, 258 transitions, 5048 flow. Second operand 25 states and 319 transitions. [2021-04-29 06:59:11,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 294 transitions, 6816 flow [2021-04-29 06:59:11,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 294 transitions, 6143 flow, removed 259 selfloop flow, removed 27 redundant places. [2021-04-29 06:59:11,934 INFO L241 Difference]: Finished difference. Result has 167 places, 273 transitions, 5430 flow [2021-04-29 06:59:11,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=4710, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5430, PETRI_PLACES=167, PETRI_TRANSITIONS=273} [2021-04-29 06:59:11,935 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 141 predicate places. [2021-04-29 06:59:11,935 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:11,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 273 transitions, 5430 flow [2021-04-29 06:59:11,942 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 273 transitions, 5430 flow [2021-04-29 06:59:11,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 273 transitions, 5430 flow [2021-04-29 06:59:12,010 INFO L129 PetriNetUnfolder]: 202/448 cut-off events. [2021-04-29 06:59:12,010 INFO L130 PetriNetUnfolder]: For 10612/10643 co-relation queries the response was YES. [2021-04-29 06:59:12,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4587 conditions, 448 events. 202/448 cut-off events. For 10612/10643 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2396 event pairs, 9 based on Foata normal form. 10/450 useless extension candidates. Maximal degree in co-relation 4522. Up to 167 conditions per place. [2021-04-29 06:59:12,021 INFO L146 LiptonReduction]: Number of co-enabled transitions 112 [2021-04-29 06:59:12,050 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:12,051 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:12,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 116 [2021-04-29 06:59:12,051 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 273 transitions, 5430 flow [2021-04-29 06:59:12,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.05) internal successors, (221), 20 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:12,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:12,052 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:12,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-04-29 06:59:12,267 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:12,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:12,268 INFO L82 PathProgramCache]: Analyzing trace with hash 40003417, now seen corresponding path program 12 times [2021-04-29 06:59:12,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:12,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646440340] [2021-04-29 06:59:12,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:12,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:12,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:12,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:12,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 06:59:12,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:12,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:12,389 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-04-29 06:59:12,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:12,407 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-04-29 06:59:12,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:12,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646440340] [2021-04-29 06:59:12,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765903487] [2021-04-29 06:59:12,421 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:12,457 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 06:59:12,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:12,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 17 conjunts are in the unsatisfiable core [2021-04-29 06:59:12,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:12,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,514 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-04-29 06:59:12,515 INFO L147 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size 16 [2021-04-29 06:59:12,516 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-04-29 06:59:12,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:12,541 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:12,542 INFO L147 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size 18 [2021-04-29 06:59:12,543 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-04-29 06:59:12,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:12,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:12,604 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:12,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:12,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:12,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:12,639 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:59:12,640 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-04-29 06:59:12,641 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 06:59:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:12,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:12,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:12,683 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 06:59:12,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:12,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:12,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:12,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:12,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,703 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:12,703 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:12,705 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:12,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:12,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:12,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-04-29 06:59:12,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843586199] [2021-04-29 06:59:12,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-04-29 06:59:12,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:12,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-04-29 06:59:12,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-04-29 06:59:12,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:12,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 273 transitions, 5430 flow. Second operand has 18 states, 18 states have (on average 11.222222222222221) internal successors, (202), 18 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:12,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:12,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:12,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:13,369 INFO L129 PetriNetUnfolder]: 252/538 cut-off events. [2021-04-29 06:59:13,369 INFO L130 PetriNetUnfolder]: For 14640/14640 co-relation queries the response was YES. [2021-04-29 06:59:13,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6081 conditions, 538 events. 252/538 cut-off events. For 14640/14640 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2834 event pairs, 29 based on Foata normal form. 2/540 useless extension candidates. Maximal degree in co-relation 6013. Up to 465 conditions per place. [2021-04-29 06:59:13,381 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 251 selfloop transitions, 31 changer transitions 10/296 dead transitions. [2021-04-29 06:59:13,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 296 transitions, 6612 flow [2021-04-29 06:59:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 06:59:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 06:59:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 181 transitions. [2021-04-29 06:59:13,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34942084942084944 [2021-04-29 06:59:13,390 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 181 transitions. [2021-04-29 06:59:13,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 181 transitions. [2021-04-29 06:59:13,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:13,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 181 transitions. [2021-04-29 06:59:13,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 12.928571428571429) internal successors, (181), 14 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:13,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 37.0) internal successors, (555), 15 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:13,397 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 37.0) internal successors, (555), 15 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:13,397 INFO L185 Difference]: Start difference. First operand has 163 places, 273 transitions, 5430 flow. Second operand 14 states and 181 transitions. [2021-04-29 06:59:13,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 296 transitions, 6612 flow [2021-04-29 06:59:13,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 296 transitions, 6102 flow, removed 92 selfloop flow, removed 17 redundant places. [2021-04-29 06:59:13,502 INFO L241 Difference]: Finished difference. Result has 165 places, 275 transitions, 5163 flow [2021-04-29 06:59:13,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=4982, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5163, PETRI_PLACES=165, PETRI_TRANSITIONS=275} [2021-04-29 06:59:13,503 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 139 predicate places. [2021-04-29 06:59:13,503 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:13,503 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 275 transitions, 5163 flow [2021-04-29 06:59:13,503 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 275 transitions, 5163 flow [2021-04-29 06:59:13,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 275 transitions, 5163 flow [2021-04-29 06:59:13,575 INFO L129 PetriNetUnfolder]: 204/452 cut-off events. [2021-04-29 06:59:13,575 INFO L130 PetriNetUnfolder]: For 9086/9098 co-relation queries the response was YES. [2021-04-29 06:59:13,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4312 conditions, 452 events. 204/452 cut-off events. For 9086/9098 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2367 event pairs, 11 based on Foata normal form. 0/444 useless extension candidates. Maximal degree in co-relation 4245. Up to 167 conditions per place. [2021-04-29 06:59:13,581 INFO L146 LiptonReduction]: Number of co-enabled transitions 112 [2021-04-29 06:59:13,611 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:13,611 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:13,611 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 108 [2021-04-29 06:59:13,612 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 275 transitions, 5163 flow [2021-04-29 06:59:13,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.222222222222221) internal successors, (202), 18 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:13,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:13,613 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:13,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:13,828 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:13,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:13,828 INFO L82 PathProgramCache]: Analyzing trace with hash 266276725, now seen corresponding path program 13 times [2021-04-29 06:59:13,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:13,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569296016] [2021-04-29 06:59:13,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:13,855 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:13,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:13,864 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-04-29 06:59:13,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:13,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:13,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:13,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:13,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:13,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:13,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:13,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:13,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:13,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:13,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:13,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:14,010 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:14,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:14,033 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-04-29 06:59:14,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,052 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 06:59:14,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:14,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569296016] [2021-04-29 06:59:14,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947572340] [2021-04-29 06:59:14,067 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:14,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 06:59:14,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:14,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,119 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 06:59:14,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:14,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:14,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:14,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:14,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:14,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:14,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:14,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:14,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:14,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:14,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:14,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:14,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:14,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:14,278 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:14,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:14,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:14,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:14,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:14,315 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 06:59:14,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:14,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:14,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:14,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:14,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:14,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:14,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,326 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:14,326 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:14,327 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:14,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:14,383 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 06:59:14,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:14,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:14,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:14,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:14,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:14,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:14,435 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:14,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:14,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:14,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:14,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:14,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:14,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,444 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:14,444 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:14,445 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:14,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:14,499 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:14,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:14,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:14,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:14,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:14,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:14,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:14,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-04-29 06:59:14,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801921592] [2021-04-29 06:59:14,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-04-29 06:59:14,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:14,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-04-29 06:59:14,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=432, Unknown=0, NotChecked=0, Total=552 [2021-04-29 06:59:14,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:14,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 275 transitions, 5163 flow. Second operand has 24 states, 24 states have (on average 11.083333333333334) internal successors, (266), 24 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:14,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:14,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:14,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:15,615 INFO L129 PetriNetUnfolder]: 363/774 cut-off events. [2021-04-29 06:59:15,615 INFO L130 PetriNetUnfolder]: For 18291/18291 co-relation queries the response was YES. [2021-04-29 06:59:15,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8054 conditions, 774 events. 363/774 cut-off events. For 18291/18291 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4287 event pairs, 40 based on Foata normal form. 4/778 useless extension candidates. Maximal degree in co-relation 7980. Up to 373 conditions per place. [2021-04-29 06:59:15,634 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 222 selfloop transitions, 174 changer transitions 6/406 dead transitions. [2021-04-29 06:59:15,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 406 transitions, 8509 flow [2021-04-29 06:59:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-29 06:59:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-04-29 06:59:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 349 transitions. [2021-04-29 06:59:15,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3627858627858628 [2021-04-29 06:59:15,636 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 349 transitions. [2021-04-29 06:59:15,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 349 transitions. [2021-04-29 06:59:15,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:15,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 349 transitions. [2021-04-29 06:59:15,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.423076923076923) internal successors, (349), 26 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:15,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 37.0) internal successors, (999), 27 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:15,639 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 37.0) internal successors, (999), 27 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:15,640 INFO L185 Difference]: Start difference. First operand has 159 places, 275 transitions, 5163 flow. Second operand 26 states and 349 transitions. [2021-04-29 06:59:15,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 406 transitions, 8509 flow [2021-04-29 06:59:15,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 406 transitions, 8420 flow, removed 25 selfloop flow, removed 12 redundant places. [2021-04-29 06:59:15,786 INFO L241 Difference]: Finished difference. Result has 184 places, 359 transitions, 7368 flow [2021-04-29 06:59:15,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=5102, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7368, PETRI_PLACES=184, PETRI_TRANSITIONS=359} [2021-04-29 06:59:15,786 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 158 predicate places. [2021-04-29 06:59:15,787 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:15,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 359 transitions, 7368 flow [2021-04-29 06:59:15,787 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 359 transitions, 7368 flow [2021-04-29 06:59:15,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 359 transitions, 7368 flow [2021-04-29 06:59:15,946 INFO L129 PetriNetUnfolder]: 280/631 cut-off events. [2021-04-29 06:59:15,947 INFO L130 PetriNetUnfolder]: For 15311/15329 co-relation queries the response was YES. [2021-04-29 06:59:15,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6560 conditions, 631 events. 280/631 cut-off events. For 15311/15329 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3615 event pairs, 27 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 6481. Up to 254 conditions per place. [2021-04-29 06:59:15,958 INFO L146 LiptonReduction]: Number of co-enabled transitions 160 [2021-04-29 06:59:15,988 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:15,988 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:15,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 202 [2021-04-29 06:59:15,989 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 359 transitions, 7368 flow [2021-04-29 06:59:15,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.083333333333334) internal successors, (266), 24 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:15,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:15,990 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:16,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:16,201 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:16,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:16,201 INFO L82 PathProgramCache]: Analyzing trace with hash -562700087, now seen corresponding path program 14 times [2021-04-29 06:59:16,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:16,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315064569] [2021-04-29 06:59:16,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:16,227 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:16,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:16,236 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-04-29 06:59:16,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:16,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:16,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:16,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:16,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:16,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:16,347 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 06:59:16,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:16,370 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:16,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:16,399 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-04-29 06:59:16,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,419 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 06:59:16,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:16,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315064569] [2021-04-29 06:59:16,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228588446] [2021-04-29 06:59:16,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:16,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 06:59:16,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:16,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 06:59:16,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:16,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,492 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 06:59:16,493 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-04-29 06:59:16,494 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-04-29 06:59:16,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:16,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:16,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:16,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:16,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:16,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:16,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:16,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:16,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:16,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:16,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:16,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:16,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:16,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:16,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:16,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:16,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:16,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:16,661 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 06:59:16,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:16,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:16,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:16,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:16,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:16,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:16,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,671 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:16,671 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:16,673 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:16,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:16,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:16,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:16,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:16,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:16,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:16,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:16,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:16,762 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:59:16,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:16,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:16,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:16,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,770 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:16,770 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:16,773 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:16,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:16,821 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 06:59:16,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:16,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:16,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:16,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:16,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:16,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 06:59:16,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:16,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:16,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:16,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 20 [2021-04-29 06:59:16,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409183123] [2021-04-29 06:59:16,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 06:59:16,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:16,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 06:59:16,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2021-04-29 06:59:16,868 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:16,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 359 transitions, 7368 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:16,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:16,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:16,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:18,908 INFO L129 PetriNetUnfolder]: 516/1093 cut-off events. [2021-04-29 06:59:18,908 INFO L130 PetriNetUnfolder]: For 32198/32198 co-relation queries the response was YES. [2021-04-29 06:59:18,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12332 conditions, 1093 events. 516/1093 cut-off events. For 32198/32198 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6384 event pairs, 36 based on Foata normal form. 7/1100 useless extension candidates. Maximal degree in co-relation 12249. Up to 419 conditions per place. [2021-04-29 06:59:18,925 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 160 selfloop transitions, 354 changer transitions 8/526 dead transitions. [2021-04-29 06:59:18,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 526 transitions, 11976 flow [2021-04-29 06:59:18,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-04-29 06:59:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-04-29 06:59:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 425 transitions. [2021-04-29 06:59:18,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37053182214472535 [2021-04-29 06:59:18,928 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 425 transitions. [2021-04-29 06:59:18,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 425 transitions. [2021-04-29 06:59:18,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:18,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 425 transitions. [2021-04-29 06:59:18,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 13.709677419354838) internal successors, (425), 31 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:18,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 37.0) internal successors, (1184), 32 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:18,932 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 37.0) internal successors, (1184), 32 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:18,932 INFO L185 Difference]: Start difference. First operand has 181 places, 359 transitions, 7368 flow. Second operand 31 states and 425 transitions. [2021-04-29 06:59:18,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 526 transitions, 11976 flow [2021-04-29 06:59:19,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 526 transitions, 11568 flow, removed 185 selfloop flow, removed 10 redundant places. [2021-04-29 06:59:19,093 INFO L241 Difference]: Finished difference. Result has 214 places, 471 transitions, 10596 flow [2021-04-29 06:59:19,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=7027, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=10596, PETRI_PLACES=214, PETRI_TRANSITIONS=471} [2021-04-29 06:59:19,094 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 188 predicate places. [2021-04-29 06:59:19,094 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:19,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 471 transitions, 10596 flow [2021-04-29 06:59:19,094 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 471 transitions, 10596 flow [2021-04-29 06:59:19,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 471 transitions, 10596 flow [2021-04-29 06:59:19,283 INFO L129 PetriNetUnfolder]: 394/888 cut-off events. [2021-04-29 06:59:19,284 INFO L130 PetriNetUnfolder]: For 27710/27746 co-relation queries the response was YES. [2021-04-29 06:59:19,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10066 conditions, 888 events. 394/888 cut-off events. For 27710/27746 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5338 event pairs, 47 based on Foata normal form. 3/877 useless extension candidates. Maximal degree in co-relation 9978. Up to 397 conditions per place. [2021-04-29 06:59:19,301 INFO L146 LiptonReduction]: Number of co-enabled transitions 218 [2021-04-29 06:59:19,351 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:19,351 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:19,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-04-29 06:59:19,352 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 471 transitions, 10596 flow [2021-04-29 06:59:19,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:19,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:19,353 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:19,553 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-04-29 06:59:19,554 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:19,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:19,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1180275739, now seen corresponding path program 15 times [2021-04-29 06:59:19,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:19,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24448625] [2021-04-29 06:59:19,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:19,596 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:19,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:19,605 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-04-29 06:59:19,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:19,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:19,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:19,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:19,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:19,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:19,715 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 06:59:19,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 06:59:19,757 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-04-29 06:59:19,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:19,796 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 06:59:19,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:19,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24448625] [2021-04-29 06:59:19,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504853740] [2021-04-29 06:59:19,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:19,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 06:59:19,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:19,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 06:59:19,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:19,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,871 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 06:59:19,872 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-04-29 06:59:19,872 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-04-29 06:59:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:19,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:19,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:19,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:19,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:19,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:19,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:19,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:19,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:19,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:19,996 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 06:59:19,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:19,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:19,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:19,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:20,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:20,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:20,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:20,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,003 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:20,004 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:20,005 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:20,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:20,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:20,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:20,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:20,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:20,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:20,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:20,122 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:59:20,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:20,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:20,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:20,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:20,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:20,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:20,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,130 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:20,130 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:20,131 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:20,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:20,177 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 06:59:20,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:20,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:20,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:20,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:20,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:20,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 06:59:20,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:20,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:20,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:20,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-04-29 06:59:20,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622540401] [2021-04-29 06:59:20,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 06:59:20,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:20,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 06:59:20,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2021-04-29 06:59:20,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:20,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 471 transitions, 10596 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:20,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:20,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:20,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:22,147 INFO L129 PetriNetUnfolder]: 600/1268 cut-off events. [2021-04-29 06:59:22,147 INFO L130 PetriNetUnfolder]: For 47014/47014 co-relation queries the response was YES. [2021-04-29 06:59:22,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15489 conditions, 1268 events. 600/1268 cut-off events. For 47014/47014 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7745 event pairs, 14 based on Foata normal form. 4/1272 useless extension candidates. Maximal degree in co-relation 15402. Up to 531 conditions per place. [2021-04-29 06:59:22,166 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 130 selfloop transitions, 492 changer transitions 7/633 dead transitions. [2021-04-29 06:59:22,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 633 transitions, 15501 flow [2021-04-29 06:59:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 06:59:22,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 06:59:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 377 transitions. [2021-04-29 06:59:22,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3638996138996139 [2021-04-29 06:59:22,168 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 377 transitions. [2021-04-29 06:59:22,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 377 transitions. [2021-04-29 06:59:22,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:22,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 377 transitions. [2021-04-29 06:59:22,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 13.464285714285714) internal successors, (377), 28 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:22,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:22,171 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:22,172 INFO L185 Difference]: Start difference. First operand has 211 places, 471 transitions, 10596 flow. Second operand 28 states and 377 transitions. [2021-04-29 06:59:22,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 633 transitions, 15501 flow [2021-04-29 06:59:22,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 633 transitions, 14605 flow, removed 407 selfloop flow, removed 14 redundant places. [2021-04-29 06:59:22,404 INFO L241 Difference]: Finished difference. Result has 234 places, 588 transitions, 14148 flow [2021-04-29 06:59:22,405 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=9964, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=378, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=14148, PETRI_PLACES=234, PETRI_TRANSITIONS=588} [2021-04-29 06:59:22,405 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 208 predicate places. [2021-04-29 06:59:22,405 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:22,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 588 transitions, 14148 flow [2021-04-29 06:59:22,405 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 588 transitions, 14148 flow [2021-04-29 06:59:22,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 231 places, 588 transitions, 14148 flow [2021-04-29 06:59:22,711 INFO L129 PetriNetUnfolder]: 525/1135 cut-off events. [2021-04-29 06:59:22,712 INFO L130 PetriNetUnfolder]: For 42443/42506 co-relation queries the response was YES. [2021-04-29 06:59:22,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13931 conditions, 1135 events. 525/1135 cut-off events. For 42443/42506 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6891 event pairs, 43 based on Foata normal form. 12/1143 useless extension candidates. Maximal degree in co-relation 13843. Up to 456 conditions per place. [2021-04-29 06:59:22,737 INFO L146 LiptonReduction]: Number of co-enabled transitions 152 [2021-04-29 06:59:22,820 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:22,820 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:22,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 416 [2021-04-29 06:59:22,821 INFO L480 AbstractCegarLoop]: Abstraction has has 231 places, 588 transitions, 14148 flow [2021-04-29 06:59:22,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:22,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:22,822 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:23,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-04-29 06:59:23,030 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:23,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:23,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1459063497, now seen corresponding path program 16 times [2021-04-29 06:59:23,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:23,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767702151] [2021-04-29 06:59:23,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:23,060 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:23,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:23,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 06:59:23,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:23,096 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-04-29 06:59:23,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:23,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-29 06:59:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:23,132 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-04-29 06:59:23,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:23,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 06:59:23,177 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-04-29 06:59:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:23,202 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-04-29 06:59:23,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:23,227 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-04-29 06:59:23,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,250 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:23,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767702151] [2021-04-29 06:59:23,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180100196] [2021-04-29 06:59:23,263 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:23,287 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 06:59:23,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:23,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 06:59:23,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:23,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,310 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 06:59:23,310 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-04-29 06:59:23,311 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-04-29 06:59:23,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:23,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:23,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:23,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:23,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:23,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:23,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:23,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:23,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:23,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:23,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:23,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:23,441 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 06:59:23,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:23,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:23,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:23,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:23,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:23,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:23,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,450 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:23,450 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:23,452 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:23,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:23,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:23,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:23,510 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:59:23,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:23,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:23,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:23,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:23,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:23,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,522 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:23,522 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:23,523 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:23,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:23,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:23,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:23,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:23,605 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:23,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:23,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:23,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:23,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:23,644 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:23,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:23,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:23,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:23,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:23,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:23,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:23,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:23,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 06:59:23,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147989301] [2021-04-29 06:59:23,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 06:59:23,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:23,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 06:59:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2021-04-29 06:59:23,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:23,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 588 transitions, 14148 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:23,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:23,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:23,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:25,421 INFO L129 PetriNetUnfolder]: 717/1502 cut-off events. [2021-04-29 06:59:25,421 INFO L130 PetriNetUnfolder]: For 65526/65526 co-relation queries the response was YES. [2021-04-29 06:59:25,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20196 conditions, 1502 events. 717/1502 cut-off events. For 65526/65526 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 9022 event pairs, 58 based on Foata normal form. 3/1505 useless extension candidates. Maximal degree in co-relation 20100. Up to 619 conditions per place. [2021-04-29 06:59:25,448 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 304 selfloop transitions, 433 changer transitions 9/750 dead transitions. [2021-04-29 06:59:25,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 750 transitions, 20091 flow [2021-04-29 06:59:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-29 06:59:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-04-29 06:59:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 366 transitions. [2021-04-29 06:59:25,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3663663663663664 [2021-04-29 06:59:25,451 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 366 transitions. [2021-04-29 06:59:25,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 366 transitions. [2021-04-29 06:59:25,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:25,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 366 transitions. [2021-04-29 06:59:25,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.555555555555555) internal successors, (366), 27 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:25,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:25,455 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:25,455 INFO L185 Difference]: Start difference. First operand has 231 places, 588 transitions, 14148 flow. Second operand 27 states and 366 transitions. [2021-04-29 06:59:25,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 750 transitions, 20091 flow [2021-04-29 06:59:25,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 750 transitions, 19538 flow, removed 175 selfloop flow, removed 14 redundant places. [2021-04-29 06:59:25,865 INFO L241 Difference]: Finished difference. Result has 259 places, 688 transitions, 18092 flow [2021-04-29 06:59:25,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=13703, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=18092, PETRI_PLACES=259, PETRI_TRANSITIONS=688} [2021-04-29 06:59:25,866 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 233 predicate places. [2021-04-29 06:59:25,866 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:25,867 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 259 places, 688 transitions, 18092 flow [2021-04-29 06:59:25,867 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 259 places, 688 transitions, 18092 flow [2021-04-29 06:59:25,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 688 transitions, 18092 flow [2021-04-29 06:59:26,273 INFO L129 PetriNetUnfolder]: 643/1382 cut-off events. [2021-04-29 06:59:26,273 INFO L130 PetriNetUnfolder]: For 67453/67515 co-relation queries the response was YES. [2021-04-29 06:59:26,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18615 conditions, 1382 events. 643/1382 cut-off events. For 67453/67515 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 8413 event pairs, 50 based on Foata normal form. 20/1399 useless extension candidates. Maximal degree in co-relation 18512. Up to 593 conditions per place. [2021-04-29 06:59:26,301 INFO L146 LiptonReduction]: Number of co-enabled transitions 154 [2021-04-29 06:59:26,391 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:26,391 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:26,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 525 [2021-04-29 06:59:26,392 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 688 transitions, 18092 flow [2021-04-29 06:59:26,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:26,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:26,392 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:26,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:26,607 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:26,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:26,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1463574733, now seen corresponding path program 17 times [2021-04-29 06:59:26,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:26,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689952369] [2021-04-29 06:59:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:26,656 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:26,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:26,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:26,681 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.5 percent of original size [2021-04-29 06:59:26,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 06:59:26,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-29 06:59:26,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:26,773 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-04-29 06:59:26,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 06:59:26,817 INFO L142 QuantifierPusher]: treesize reduction 26, result has 61.8 percent of original size [2021-04-29 06:59:26,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:26,866 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-04-29 06:59:26,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:59:26,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689952369] [2021-04-29 06:59:26,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253886606] [2021-04-29 06:59:26,881 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:26,911 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-04-29 06:59:26,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:26,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 18 conjunts are in the unsatisfiable core [2021-04-29 06:59:26,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:26,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:26,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:26,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:26,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:26,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:26,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:26,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:26,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:26,937 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 06:59:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:26,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:26,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:26,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:26,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:26,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:26,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:26,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:26,963 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:26,964 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-04-29 06:59:26,964 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 06:59:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:26,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:26,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:26,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:27,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 06:59:27,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 06:59:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 06:59:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 06:59:27,056 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-04-29 06:59:27,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:27,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 06:59:27,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 06:59:27,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:27,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 06:59:27,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 06:59:27,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,065 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:27,065 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:27,066 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,068 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.5 percent of original size 69 [2021-04-29 06:59:27,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.5 percent of original size [2021-04-29 06:59:27,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-29 06:59:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:27,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-04-29 06:59:27,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 06:59:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 06:59:27,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:27,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 06:59:27,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 06:59:27,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,162 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:27,163 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:27,165 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,167 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size 71 [2021-04-29 06:59:27,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-04-29 06:59:27,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-29 06:59:27,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 06:59:27,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 06:59:27,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 06:59:27,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 06:59:27,333 INFO L142 QuantifierPusher]: treesize reduction 7, result has 88.5 percent of original size [2021-04-29 06:59:27,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-29 06:59:27,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:27,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:27,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:27,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:27,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 06:59:27,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,343 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-04-29 06:59:27,344 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-04-29 06:59:27,345 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:27,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:27,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:27,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 15 [2021-04-29 06:59:27,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628488431] [2021-04-29 06:59:27,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-29 06:59:27,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:27,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-29 06:59:27,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-04-29 06:59:27,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:27,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 688 transitions, 18092 flow. Second operand has 17 states, 17 states have (on average 11.470588235294118) internal successors, (195), 17 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:27,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:27,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:27,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:28,287 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2021-04-29 06:59:28,885 INFO L129 PetriNetUnfolder]: 746/1559 cut-off events. [2021-04-29 06:59:28,885 INFO L130 PetriNetUnfolder]: For 76710/76710 co-relation queries the response was YES. [2021-04-29 06:59:28,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22408 conditions, 1559 events. 746/1559 cut-off events. For 76710/76710 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 9427 event pairs, 81 based on Foata normal form. 2/1561 useless extension candidates. Maximal degree in co-relation 22301. Up to 1383 conditions per place. [2021-04-29 06:59:28,913 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 634 selfloop transitions, 101 changer transitions 8/747 dead transitions. [2021-04-29 06:59:28,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 747 transitions, 21248 flow [2021-04-29 06:59:28,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 06:59:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 06:59:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 216 transitions. [2021-04-29 06:59:28,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36486486486486486 [2021-04-29 06:59:28,915 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 216 transitions. [2021-04-29 06:59:28,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 216 transitions. [2021-04-29 06:59:28,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:28,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 216 transitions. [2021-04-29 06:59:28,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 13.5) internal successors, (216), 16 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:28,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:28,917 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:28,917 INFO L185 Difference]: Start difference. First operand has 256 places, 688 transitions, 18092 flow. Second operand 16 states and 216 transitions. [2021-04-29 06:59:28,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 747 transitions, 21248 flow [2021-04-29 06:59:29,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 747 transitions, 20692 flow, removed 264 selfloop flow, removed 10 redundant places. [2021-04-29 06:59:29,558 INFO L241 Difference]: Finished difference. Result has 265 places, 715 transitions, 18602 flow [2021-04-29 06:59:29,559 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=17548, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=688, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=597, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18602, PETRI_PLACES=265, PETRI_TRANSITIONS=715} [2021-04-29 06:59:29,559 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 239 predicate places. [2021-04-29 06:59:29,559 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:29,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 715 transitions, 18602 flow [2021-04-29 06:59:29,560 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 715 transitions, 18602 flow [2021-04-29 06:59:29,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 715 transitions, 18602 flow [2021-04-29 06:59:29,951 INFO L129 PetriNetUnfolder]: 677/1446 cut-off events. [2021-04-29 06:59:29,951 INFO L130 PetriNetUnfolder]: For 68566/68647 co-relation queries the response was YES. [2021-04-29 06:59:29,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19208 conditions, 1446 events. 677/1446 cut-off events. For 68566/68647 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8849 event pairs, 52 based on Foata normal form. 23/1465 useless extension candidates. Maximal degree in co-relation 19106. Up to 619 conditions per place. [2021-04-29 06:59:29,979 INFO L146 LiptonReduction]: Number of co-enabled transitions 154 [2021-04-29 06:59:30,074 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:30,075 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:30,075 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 516 [2021-04-29 06:59:30,075 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 715 transitions, 18602 flow [2021-04-29 06:59:30,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.470588235294118) internal successors, (195), 17 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:30,076 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:30,076 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:30,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-04-29 06:59:30,290 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:30,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:30,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1325361251, now seen corresponding path program 18 times [2021-04-29 06:59:30,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:30,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114727309] [2021-04-29 06:59:30,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:30,312 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:30,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:30,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:30,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:30,354 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-04-29 06:59:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:30,383 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-04-29 06:59:30,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:30,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:30,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:30,486 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-04-29 06:59:30,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,508 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:30,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:30,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114727309] [2021-04-29 06:59:30,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744802988] [2021-04-29 06:59:30,524 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:30,549 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-04-29 06:59:30,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:30,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 06:59:30,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:30,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,581 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 06:59:30,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:30,648 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 06:59:30,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:30,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:30,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:30,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:30,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:30,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:30,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,655 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:30,655 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:30,657 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:30,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:30,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:30,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:30,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:30,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:30,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:30,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:30,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:59:30,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:30,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:30,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:59:30,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:30,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:30,821 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:59:30,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:30,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:30,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:30,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:30,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:30,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:30,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,832 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:30,832 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:30,834 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:30,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:30,883 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 06:59:30,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:30,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:30,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:30,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:30,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:30,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 06:59:30,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:30,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:30,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:30,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-04-29 06:59:30,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298120025] [2021-04-29 06:59:30,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 06:59:30,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:30,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 06:59:30,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-04-29 06:59:30,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:30,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 715 transitions, 18602 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:30,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:30,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:30,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:33,653 INFO L129 PetriNetUnfolder]: 975/2029 cut-off events. [2021-04-29 06:59:33,654 INFO L130 PetriNetUnfolder]: For 106651/106651 co-relation queries the response was YES. [2021-04-29 06:59:33,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29271 conditions, 2029 events. 975/2029 cut-off events. For 106651/106651 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 13003 event pairs, 124 based on Foata normal form. 3/2032 useless extension candidates. Maximal degree in co-relation 29161. Up to 1338 conditions per place. [2021-04-29 06:59:33,691 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 635 selfloop transitions, 319 changer transitions 9/967 dead transitions. [2021-04-29 06:59:33,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 967 transitions, 27759 flow [2021-04-29 06:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-04-29 06:59:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-04-29 06:59:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 482 transitions. [2021-04-29 06:59:33,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36186186186186187 [2021-04-29 06:59:33,693 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 482 transitions. [2021-04-29 06:59:33,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 482 transitions. [2021-04-29 06:59:33,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:33,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 482 transitions. [2021-04-29 06:59:33,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 13.38888888888889) internal successors, (482), 36 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:33,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 37.0) internal successors, (1369), 37 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:33,698 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 37.0) internal successors, (1369), 37 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:33,698 INFO L185 Difference]: Start difference. First operand has 263 places, 715 transitions, 18602 flow. Second operand 36 states and 482 transitions. [2021-04-29 06:59:33,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 967 transitions, 27759 flow [2021-04-29 06:59:34,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 967 transitions, 27549 flow, removed 97 selfloop flow, removed 6 redundant places. [2021-04-29 06:59:34,337 INFO L241 Difference]: Finished difference. Result has 305 places, 866 transitions, 23988 flow [2021-04-29 06:59:34,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=18438, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=23988, PETRI_PLACES=305, PETRI_TRANSITIONS=866} [2021-04-29 06:59:34,338 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 279 predicate places. [2021-04-29 06:59:34,338 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:34,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 866 transitions, 23988 flow [2021-04-29 06:59:34,339 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 866 transitions, 23988 flow [2021-04-29 06:59:34,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 866 transitions, 23988 flow [2021-04-29 06:59:35,035 INFO L129 PetriNetUnfolder]: 894/1881 cut-off events. [2021-04-29 06:59:35,036 INFO L130 PetriNetUnfolder]: For 110386/110545 co-relation queries the response was YES. [2021-04-29 06:59:35,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26831 conditions, 1881 events. 894/1881 cut-off events. For 110386/110545 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 12100 event pairs, 91 based on Foata normal form. 18/1893 useless extension candidates. Maximal degree in co-relation 26711. Up to 827 conditions per place. [2021-04-29 06:59:35,075 INFO L146 LiptonReduction]: Number of co-enabled transitions 170 [2021-04-29 06:59:35,217 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:35,217 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:35,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 879 [2021-04-29 06:59:35,218 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 866 transitions, 23988 flow [2021-04-29 06:59:35,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:35,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:35,219 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:35,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-04-29 06:59:35,425 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:35,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:35,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1668036081, now seen corresponding path program 19 times [2021-04-29 06:59:35,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:35,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349408976] [2021-04-29 06:59:35,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:35,450 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 06:59:35,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:35,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:35,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:35,491 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-29 06:59:35,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:35,519 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:35,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:35,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 06:59:35,568 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-04-29 06:59:35,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:35,596 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-04-29 06:59:35,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:35,624 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-04-29 06:59:35,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:35,648 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:35,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:35,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349408976] [2021-04-29 06:59:35,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800118904] [2021-04-29 06:59:35,665 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:35,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 06:59:35,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:35,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,718 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 06:59:35,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:35,779 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 06:59:35,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:35,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:35,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:35,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:35,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:35,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,787 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:35,787 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:35,789 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:35,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 06:59:35,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:35,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:35,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:35,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:59:35,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:35,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:35,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:59:35,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:35,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:35,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:35,904 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 06:59:35,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:35,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:35,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:35,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:35,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:35,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:35,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,911 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:35,911 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:35,912 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:35,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:35,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:35,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:35,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:35,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:35,988 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:35,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:35,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:35,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:35,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:35,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:35,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:35,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:36,019 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:36,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:36,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:36,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:36,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:36,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:36,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:36,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:36,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 06:59:36,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221949325] [2021-04-29 06:59:36,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 06:59:36,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:36,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 06:59:36,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2021-04-29 06:59:36,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:36,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 866 transitions, 23988 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:36,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:36,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:36,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:38,624 INFO L129 PetriNetUnfolder]: 1051/2182 cut-off events. [2021-04-29 06:59:38,625 INFO L130 PetriNetUnfolder]: For 132783/132783 co-relation queries the response was YES. [2021-04-29 06:59:38,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33539 conditions, 2182 events. 1051/2182 cut-off events. For 132783/132783 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14169 event pairs, 135 based on Foata normal form. 3/2185 useless extension candidates. Maximal degree in co-relation 33419. Up to 1696 conditions per place. [2021-04-29 06:59:38,736 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 672 selfloop transitions, 336 changer transitions 10/1022 dead transitions. [2021-04-29 06:59:38,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 1022 transitions, 31244 flow [2021-04-29 06:59:38,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 06:59:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 06:59:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 381 transitions. [2021-04-29 06:59:38,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3550792171481827 [2021-04-29 06:59:38,738 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 381 transitions. [2021-04-29 06:59:38,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 381 transitions. [2021-04-29 06:59:38,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:38,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 381 transitions. [2021-04-29 06:59:38,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 13.137931034482758) internal successors, (381), 29 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:38,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 37.0) internal successors, (1110), 30 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:38,742 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 37.0) internal successors, (1110), 30 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:38,742 INFO L185 Difference]: Start difference. First operand has 302 places, 866 transitions, 23988 flow. Second operand 29 states and 381 transitions. [2021-04-29 06:59:38,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 1022 transitions, 31244 flow [2021-04-29 06:59:39,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 1022 transitions, 30161 flow, removed 523 selfloop flow, removed 12 redundant places. [2021-04-29 06:59:39,484 INFO L241 Difference]: Finished difference. Result has 329 places, 969 transitions, 27472 flow [2021-04-29 06:59:39,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=23146, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=27472, PETRI_PLACES=329, PETRI_TRANSITIONS=969} [2021-04-29 06:59:39,486 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 303 predicate places. [2021-04-29 06:59:39,486 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:39,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 329 places, 969 transitions, 27472 flow [2021-04-29 06:59:39,486 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 329 places, 969 transitions, 27472 flow [2021-04-29 06:59:39,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 326 places, 969 transitions, 27472 flow [2021-04-29 06:59:40,424 INFO L129 PetriNetUnfolder]: 962/2034 cut-off events. [2021-04-29 06:59:40,424 INFO L130 PetriNetUnfolder]: For 135578/135623 co-relation queries the response was YES. [2021-04-29 06:59:40,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30532 conditions, 2034 events. 962/2034 cut-off events. For 135578/135623 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 13351 event pairs, 99 based on Foata normal form. 15/2046 useless extension candidates. Maximal degree in co-relation 30407. Up to 911 conditions per place. [2021-04-29 06:59:40,468 INFO L146 LiptonReduction]: Number of co-enabled transitions 168 [2021-04-29 06:59:40,640 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:40,640 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:40,640 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1154 [2021-04-29 06:59:40,641 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 969 transitions, 27472 flow [2021-04-29 06:59:40,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:40,641 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:40,641 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:40,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2021-04-29 06:59:40,856 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:40,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:40,856 INFO L82 PathProgramCache]: Analyzing trace with hash -574601673, now seen corresponding path program 20 times [2021-04-29 06:59:40,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:40,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519615842] [2021-04-29 06:59:40,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:40,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:40,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:40,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:40,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:40,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:40,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:40,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:40,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:40,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:40,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:40,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:40,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:40,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:40,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 06:59:40,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:40,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:40,988 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 06:59:40,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:41,013 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:59:41,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:41,036 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:41,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:59:41,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519615842] [2021-04-29 06:59:41,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189685645] [2021-04-29 06:59:41,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:41,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 06:59:41,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:41,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 06:59:41,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:41,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:41,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:41,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:41,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:41,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:41,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:41,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:41,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:41,174 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:41,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:41,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 06:59:41,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:41,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 06:59:41,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,181 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:41,182 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:41,183 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 06:59:41,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 06:59:41,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:41,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:41,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:41,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:41,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:41,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:41,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:41,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:41,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:41,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:41,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:41,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:41,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:41,316 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 06:59:41,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:41,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:41,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:41,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:41,359 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 06:59:41,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:41,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:41,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:41,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 06:59:41,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,367 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:41,367 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:41,369 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:41,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 06:59:41,426 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 06:59:41,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 06:59:41,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:41,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 06:59:41,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:41,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:41,476 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:41,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:41,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:41,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:41,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:41,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,483 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:41,483 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:41,484 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:41,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:41,540 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:41,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:41,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:41,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:41,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:41,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:41,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:41,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:41,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2021-04-29 06:59:41,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525686497] [2021-04-29 06:59:41,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-29 06:59:41,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:41,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-29 06:59:41,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-04-29 06:59:41,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:41,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 969 transitions, 27472 flow. Second operand has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:41,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:41,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:41,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:44,314 INFO L129 PetriNetUnfolder]: 1214/2526 cut-off events. [2021-04-29 06:59:44,315 INFO L130 PetriNetUnfolder]: For 178871/178871 co-relation queries the response was YES. [2021-04-29 06:59:44,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40296 conditions, 2526 events. 1214/2526 cut-off events. For 178871/178871 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 17079 event pairs, 159 based on Foata normal form. 7/2533 useless extension candidates. Maximal degree in co-relation 40167. Up to 1989 conditions per place. [2021-04-29 06:59:44,363 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 910 selfloop transitions, 252 changer transitions 5/1171 dead transitions. [2021-04-29 06:59:44,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1171 transitions, 35709 flow [2021-04-29 06:59:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 06:59:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 06:59:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 328 transitions. [2021-04-29 06:59:44,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3545945945945946 [2021-04-29 06:59:44,366 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 328 transitions. [2021-04-29 06:59:44,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 328 transitions. [2021-04-29 06:59:44,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:44,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 328 transitions. [2021-04-29 06:59:44,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 13.12) internal successors, (328), 25 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:44,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:44,369 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:44,369 INFO L185 Difference]: Start difference. First operand has 326 places, 969 transitions, 27472 flow. Second operand 25 states and 328 transitions. [2021-04-29 06:59:44,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1171 transitions, 35709 flow [2021-04-29 06:59:45,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 1171 transitions, 34616 flow, removed 530 selfloop flow, removed 12 redundant places. [2021-04-29 06:59:45,699 INFO L241 Difference]: Finished difference. Result has 350 places, 1136 transitions, 32488 flow [2021-04-29 06:59:45,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=26455, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=765, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=32488, PETRI_PLACES=350, PETRI_TRANSITIONS=1136} [2021-04-29 06:59:45,700 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 324 predicate places. [2021-04-29 06:59:45,700 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:45,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 1136 transitions, 32488 flow [2021-04-29 06:59:45,701 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 1136 transitions, 32488 flow [2021-04-29 06:59:45,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 348 places, 1136 transitions, 32488 flow [2021-04-29 06:59:46,846 INFO L129 PetriNetUnfolder]: 1128/2385 cut-off events. [2021-04-29 06:59:46,846 INFO L130 PetriNetUnfolder]: For 165915/165985 co-relation queries the response was YES. [2021-04-29 06:59:46,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36172 conditions, 2385 events. 1128/2385 cut-off events. For 165915/165985 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 16254 event pairs, 126 based on Foata normal form. 23/2405 useless extension candidates. Maximal degree in co-relation 36040. Up to 1007 conditions per place. [2021-04-29 06:59:46,899 INFO L146 LiptonReduction]: Number of co-enabled transitions 180 [2021-04-29 06:59:47,158 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:47,158 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:47,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1458 [2021-04-29 06:59:47,159 INFO L480 AbstractCegarLoop]: Abstraction has has 348 places, 1136 transitions, 32488 flow [2021-04-29 06:59:47,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:47,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:47,159 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:47,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-04-29 06:59:47,360 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:47,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1307378405, now seen corresponding path program 21 times [2021-04-29 06:59:47,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:47,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596407150] [2021-04-29 06:59:47,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:47,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:47,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:47,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:47,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:47,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:47,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:47,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:47,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,495 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:59:47,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:47,517 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:47,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:47,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596407150] [2021-04-29 06:59:47,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237725909] [2021-04-29 06:59:47,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:47,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 06:59:47,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:47,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 06:59:47,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:47,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:47,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:47,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:47,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:47,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:47,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:47,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:47,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:47,660 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:47,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 06:59:47,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:47,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 06:59:47,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,667 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:47,667 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:47,668 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 06:59:47,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 06:59:47,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:47,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:47,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:47,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:47,725 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 06:59:47,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:47,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:47,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:47,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:47,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,733 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:47,734 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:47,735 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 06:59:47,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 06:59:47,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:59:47,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:47,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 06:59:47,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:47,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:47,866 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:47,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:47,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:47,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,899 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:47,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:47,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:47,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:47,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,907 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:47,907 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:47,908 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:47,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:47,957 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:47,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:47,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:47,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:47,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:47,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:47,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:47,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:47,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 19 [2021-04-29 06:59:47,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878308044] [2021-04-29 06:59:47,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 06:59:47,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:48,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 06:59:48,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-04-29 06:59:48,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:48,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 1136 transitions, 32488 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:48,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:48,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:48,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 06:59:51,847 INFO L129 PetriNetUnfolder]: 1510/3158 cut-off events. [2021-04-29 06:59:51,847 INFO L130 PetriNetUnfolder]: For 234112/234112 co-relation queries the response was YES. [2021-04-29 06:59:51,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51168 conditions, 3158 events. 1510/3158 cut-off events. For 234112/234112 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 22282 event pairs, 165 based on Foata normal form. 7/3165 useless extension candidates. Maximal degree in co-relation 51028. Up to 1821 conditions per place. [2021-04-29 06:59:51,904 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 828 selfloop transitions, 642 changer transitions 5/1479 dead transitions. [2021-04-29 06:59:51,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 1479 transitions, 46041 flow [2021-04-29 06:59:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-29 06:59:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-04-29 06:59:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 399 transitions. [2021-04-29 06:59:51,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35945945945945945 [2021-04-29 06:59:51,906 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 399 transitions. [2021-04-29 06:59:51,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 399 transitions. [2021-04-29 06:59:51,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 06:59:51,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 399 transitions. [2021-04-29 06:59:51,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 13.3) internal successors, (399), 30 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:51,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 37.0) internal successors, (1147), 31 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:51,908 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 37.0) internal successors, (1147), 31 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:51,909 INFO L185 Difference]: Start difference. First operand has 348 places, 1136 transitions, 32488 flow. Second operand 30 states and 399 transitions. [2021-04-29 06:59:51,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 1479 transitions, 46041 flow [2021-04-29 06:59:53,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 1479 transitions, 45568 flow, removed 223 selfloop flow, removed 8 redundant places. [2021-04-29 06:59:53,786 INFO L241 Difference]: Finished difference. Result has 386 places, 1424 transitions, 43993 flow [2021-04-29 06:59:53,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=32053, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=404, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=43993, PETRI_PLACES=386, PETRI_TRANSITIONS=1424} [2021-04-29 06:59:53,788 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 360 predicate places. [2021-04-29 06:59:53,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 06:59:53,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 1424 transitions, 43993 flow [2021-04-29 06:59:53,788 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 1424 transitions, 43993 flow [2021-04-29 06:59:53,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 384 places, 1424 transitions, 43993 flow [2021-04-29 06:59:55,654 INFO L129 PetriNetUnfolder]: 1395/2966 cut-off events. [2021-04-29 06:59:55,654 INFO L130 PetriNetUnfolder]: For 240994/241220 co-relation queries the response was YES. [2021-04-29 06:59:55,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47519 conditions, 2966 events. 1395/2966 cut-off events. For 240994/241220 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 21038 event pairs, 165 based on Foata normal form. 44/3004 useless extension candidates. Maximal degree in co-relation 47368. Up to 1303 conditions per place. [2021-04-29 06:59:55,727 INFO L146 LiptonReduction]: Number of co-enabled transitions 218 [2021-04-29 06:59:56,088 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 06:59:56,088 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 06:59:56,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2300 [2021-04-29 06:59:56,089 INFO L480 AbstractCegarLoop]: Abstraction has has 384 places, 1424 transitions, 43993 flow [2021-04-29 06:59:56,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:56,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 06:59:56,089 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 06:59:56,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:56,295 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 06:59:56,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 06:59:56,295 INFO L82 PathProgramCache]: Analyzing trace with hash 345521395, now seen corresponding path program 22 times [2021-04-29 06:59:56,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 06:59:56,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712440917] [2021-04-29 06:59:56,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 06:59:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 06:59:56,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:56,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 06:59:56,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:56,407 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 06:59:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:56,492 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 06:59:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 06:59:56,518 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 06:59:56,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,544 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 06:59:56,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 06:59:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 06:59:56,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712440917] [2021-04-29 06:59:56,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925993082] [2021-04-29 06:59:56,566 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 06:59:56,590 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 06:59:56,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 06:59:56,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 06:59:56,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 06:59:56,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 06:59:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:56,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:56,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:56,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:56,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:56,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 06:59:56,704 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:56,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:56,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 06:59:56,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 06:59:56,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,714 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:56,714 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:56,715 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 06:59:56,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 06:59:56,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:56,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:56,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:56,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 06:59:56,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:56,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:56,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:56,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:56,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 06:59:56,845 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 06:59:56,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:56,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:56,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 06:59:56,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 06:59:56,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,857 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:56,857 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:56,859 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:56,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 06:59:56,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:56,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:56,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:56,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 06:59:56,950 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:56,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:56,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:56,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:56,992 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 06:59:56,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:56,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:56,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:56,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:56,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 06:59:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 06:59:57,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,001 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 06:59:57,002 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 06:59:57,002 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:57,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 06:59:57,066 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 06:59:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 06:59:57,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 06:59:57,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 06:59:57,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 06:59:57,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 06:59:57,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 06:59:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 06:59:57,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 06:59:57,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 06:59:57,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715943227] [2021-04-29 06:59:57,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 06:59:57,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 06:59:57,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 06:59:57,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2021-04-29 06:59:57,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 06:59:57,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 1424 transitions, 43993 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 06:59:57,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 06:59:57,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 06:59:57,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:00:02,578 INFO L129 PetriNetUnfolder]: 1524/3195 cut-off events. [2021-04-29 07:00:02,578 INFO L130 PetriNetUnfolder]: For 258075/258075 co-relation queries the response was YES. [2021-04-29 07:00:02,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53981 conditions, 3195 events. 1524/3195 cut-off events. For 258075/258075 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 22697 event pairs, 160 based on Foata normal form. 2/3197 useless extension candidates. Maximal degree in co-relation 53825. Up to 2019 conditions per place. [2021-04-29 07:00:02,635 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 762 selfloop transitions, 741 changer transitions 5/1512 dead transitions. [2021-04-29 07:00:02,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 1512 transitions, 49735 flow [2021-04-29 07:00:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-04-29 07:00:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-04-29 07:00:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 454 transitions. [2021-04-29 07:00:02,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35057915057915057 [2021-04-29 07:00:02,636 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 454 transitions. [2021-04-29 07:00:02,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 454 transitions. [2021-04-29 07:00:02,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:00:02,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 454 transitions. [2021-04-29 07:00:02,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 12.971428571428572) internal successors, (454), 35 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:02,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 37.0) internal successors, (1332), 36 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:02,639 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 37.0) internal successors, (1332), 36 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:02,640 INFO L185 Difference]: Start difference. First operand has 384 places, 1424 transitions, 43993 flow. Second operand 35 states and 454 transitions. [2021-04-29 07:00:02,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 1512 transitions, 49735 flow [2021-04-29 07:00:04,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 1512 transitions, 48614 flow, removed 541 selfloop flow, removed 10 redundant places. [2021-04-29 07:00:04,794 INFO L241 Difference]: Finished difference. Result has 415 places, 1469 transitions, 46166 flow [2021-04-29 07:00:04,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=42890, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=699, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=46166, PETRI_PLACES=415, PETRI_TRANSITIONS=1469} [2021-04-29 07:00:04,796 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 389 predicate places. [2021-04-29 07:00:04,796 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:00:04,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 1469 transitions, 46166 flow [2021-04-29 07:00:04,797 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 1469 transitions, 46166 flow [2021-04-29 07:00:04,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 1469 transitions, 46166 flow [2021-04-29 07:00:06,581 INFO L129 PetriNetUnfolder]: 1418/3012 cut-off events. [2021-04-29 07:00:06,581 INFO L130 PetriNetUnfolder]: For 240130/240308 co-relation queries the response was YES. [2021-04-29 07:00:06,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48447 conditions, 3012 events. 1418/3012 cut-off events. For 240130/240308 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 21464 event pairs, 169 based on Foata normal form. 35/3040 useless extension candidates. Maximal degree in co-relation 48290. Up to 1303 conditions per place. [2021-04-29 07:00:06,657 INFO L146 LiptonReduction]: Number of co-enabled transitions 226 [2021-04-29 07:00:07,033 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:00:07,033 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:00:07,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2237 [2021-04-29 07:00:07,034 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 1469 transitions, 46166 flow [2021-04-29 07:00:07,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:07,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:00:07,034 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:00:07,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:00:07,235 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:00:07,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:00:07,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1026923953, now seen corresponding path program 23 times [2021-04-29 07:00:07,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:00:07,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836442945] [2021-04-29 07:00:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:00:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:00:07,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:07,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:07,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:07,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:07,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:07,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:07,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:07,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,369 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:00:07,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:07,389 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:00:07,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:00:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:00:07,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836442945] [2021-04-29 07:00:07,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824316152] [2021-04-29 07:00:07,405 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:00:07,436 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:00:07,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:00:07,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:00:07,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:00:07,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:07,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:07,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:07,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:07,497 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-04-29 07:00:07,498 INFO L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-04-29 07:00:07,499 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-04-29 07:00:07,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:07,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:07,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:07,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:07,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:07,568 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:00:07,569 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-04-29 07:00:07,570 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-04-29 07:00:07,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:07,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:07,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:07,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:07,751 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:00:07,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:07,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:07,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:07,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,787 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:00:07,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:07,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:07,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:00:07,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:07,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:07,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:00:07,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,795 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:07,795 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:07,796 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:00:07,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:00:07,846 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:00:07,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:07,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:07,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:07,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:07,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:07,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:07,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:00:07,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:00:07,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 19 [2021-04-29 07:00:07,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948557984] [2021-04-29 07:00:07,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 07:00:07,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:00:07,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 07:00:07,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-04-29 07:00:07,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:00:07,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 1469 transitions, 46166 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:07,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:00:07,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:00:07,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:00:13,102 INFO L129 PetriNetUnfolder]: 1729/3634 cut-off events. [2021-04-29 07:00:13,102 INFO L130 PetriNetUnfolder]: For 307013/307015 co-relation queries the response was YES. [2021-04-29 07:00:13,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62374 conditions, 3634 events. 1729/3634 cut-off events. For 307013/307015 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 26493 event pairs, 173 based on Foata normal form. 6/3640 useless extension candidates. Maximal degree in co-relation 62208. Up to 1894 conditions per place. [2021-04-29 07:00:13,192 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 874 selfloop transitions, 845 changer transitions 4/1727 dead transitions. [2021-04-29 07:00:13,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 1727 transitions, 58218 flow [2021-04-29 07:00:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 07:00:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 07:00:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 292 transitions. [2021-04-29 07:00:13,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35872235872235875 [2021-04-29 07:00:13,194 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 292 transitions. [2021-04-29 07:00:13,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 292 transitions. [2021-04-29 07:00:13,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:00:13,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 292 transitions. [2021-04-29 07:00:13,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 13.272727272727273) internal successors, (292), 22 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:13,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 37.0) internal successors, (851), 23 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 07:00:13,197 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 37.0) internal successors, (851), 23 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 07:00:13,197 INFO L185 Difference]: Start difference. First operand has 413 places, 1469 transitions, 46166 flow. Second operand 22 states and 292 transitions. [2021-04-29 07:00:13,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 1727 transitions, 58218 flow [2021-04-29 07:00:15,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 1727 transitions, 57055 flow, removed 365 selfloop flow, removed 21 redundant places. [2021-04-29 07:00:15,868 INFO L241 Difference]: Finished difference. Result has 426 places, 1686 transitions, 55876 flow [2021-04-29 07:00:15,869 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=45065, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=663, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=55876, PETRI_PLACES=426, PETRI_TRANSITIONS=1686} [2021-04-29 07:00:15,869 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 400 predicate places. [2021-04-29 07:00:15,869 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:00:15,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 1686 transitions, 55876 flow [2021-04-29 07:00:15,870 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 1686 transitions, 55876 flow [2021-04-29 07:00:15,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 1686 transitions, 55876 flow [2021-04-29 07:00:18,309 INFO L129 PetriNetUnfolder]: 1620/3462 cut-off events. [2021-04-29 07:00:18,309 INFO L130 PetriNetUnfolder]: For 305647/305842 co-relation queries the response was YES. [2021-04-29 07:00:18,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58388 conditions, 3462 events. 1620/3462 cut-off events. For 305647/305842 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 25398 event pairs, 167 based on Foata normal form. 43/3498 useless extension candidates. Maximal degree in co-relation 58219. Up to 1481 conditions per place. [2021-04-29 07:00:18,429 INFO L146 LiptonReduction]: Number of co-enabled transitions 228 [2021-04-29 07:00:19,036 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:00:19,036 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:00:19,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3167 [2021-04-29 07:00:19,037 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 1686 transitions, 55876 flow [2021-04-29 07:00:19,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:19,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:00:19,037 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:00:19,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:00:19,239 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:00:19,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:00:19,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1759700685, now seen corresponding path program 24 times [2021-04-29 07:00:19,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:00:19,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628950407] [2021-04-29 07:00:19,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:00:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:00:19,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:19,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:00:19,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:19,384 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:00:19,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:19,410 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:00:19,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,430 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:00:19,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:00:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:00:19,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628950407] [2021-04-29 07:00:19,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032888345] [2021-04-29 07:00:19,446 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:00:19,477 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:00:19,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:00:19,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:00:19,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:00:19,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:19,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:19,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:19,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:19,540 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:00:19,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:19,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:19,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:19,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:19,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,547 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:19,547 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:19,548 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:00:19,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:00:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:19,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:19,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:19,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:19,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:19,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:19,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:19,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:19,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:19,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:19,696 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:00:19,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:19,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:19,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:19,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:19,738 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 07:00:19,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:19,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:00:19,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:19,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:00:19,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,746 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:19,746 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:19,748 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:00:19,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:00:19,810 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:00:19,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:00:19,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:00:19,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:19,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:19,860 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:00:19,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:19,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:00:19,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:19,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:00:19,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,866 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:19,866 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:19,868 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:00:19,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:00:19,924 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:00:19,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:19,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:19,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:19,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:19,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:19,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:00:19,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:00:19,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2021-04-29 07:00:19,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637634477] [2021-04-29 07:00:19,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-29 07:00:19,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:00:19,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-29 07:00:19,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2021-04-29 07:00:19,975 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:00:19,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 1686 transitions, 55876 flow. Second operand has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:19,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:00:19,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:00:19,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:00:26,076 INFO L129 PetriNetUnfolder]: 1871/3936 cut-off events. [2021-04-29 07:00:26,076 INFO L130 PetriNetUnfolder]: For 349567/349567 co-relation queries the response was YES. [2021-04-29 07:00:26,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69935 conditions, 3936 events. 1871/3936 cut-off events. For 349567/349567 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 29048 event pairs, 299 based on Foata normal form. 2/3938 useless extension candidates. Maximal degree in co-relation 69760. Up to 3469 conditions per place. [2021-04-29 07:00:26,156 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1582 selfloop transitions, 264 changer transitions 6/1856 dead transitions. [2021-04-29 07:00:26,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1856 transitions, 65569 flow [2021-04-29 07:00:26,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 07:00:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 07:00:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 273 transitions. [2021-04-29 07:00:26,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35135135135135137 [2021-04-29 07:00:26,158 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 273 transitions. [2021-04-29 07:00:26,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 273 transitions. [2021-04-29 07:00:26,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:00:26,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 273 transitions. [2021-04-29 07:00:26,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.0) internal successors, (273), 21 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:26,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 37.0) internal successors, (814), 22 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:26,161 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 37.0) internal successors, (814), 22 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:26,161 INFO L185 Difference]: Start difference. First operand has 424 places, 1686 transitions, 55876 flow. Second operand 21 states and 273 transitions. [2021-04-29 07:00:26,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1856 transitions, 65569 flow [2021-04-29 07:00:29,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 1856 transitions, 64827 flow, removed 364 selfloop flow, removed 6 redundant places. [2021-04-29 07:00:29,513 INFO L241 Difference]: Finished difference. Result has 448 places, 1830 transitions, 61488 flow [2021-04-29 07:00:29,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=55232, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=61488, PETRI_PLACES=448, PETRI_TRANSITIONS=1830} [2021-04-29 07:00:29,515 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 422 predicate places. [2021-04-29 07:00:29,515 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:00:29,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 1830 transitions, 61488 flow [2021-04-29 07:00:29,516 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 1830 transitions, 61488 flow [2021-04-29 07:00:29,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 1830 transitions, 61488 flow [2021-04-29 07:00:32,407 INFO L129 PetriNetUnfolder]: 1762/3766 cut-off events. [2021-04-29 07:00:32,407 INFO L130 PetriNetUnfolder]: For 319910/320111 co-relation queries the response was YES. [2021-04-29 07:00:32,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63289 conditions, 3766 events. 1762/3766 cut-off events. For 319910/320111 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 27969 event pairs, 187 based on Foata normal form. 41/3800 useless extension candidates. Maximal degree in co-relation 63111. Up to 1579 conditions per place. [2021-04-29 07:00:32,513 INFO L146 LiptonReduction]: Number of co-enabled transitions 230 [2021-04-29 07:00:33,098 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:00:33,098 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:00:33,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3583 [2021-04-29 07:00:33,099 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 1830 transitions, 61488 flow [2021-04-29 07:00:33,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:33,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:00:33,099 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:00:33,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-04-29 07:00:33,300 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:00:33,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:00:33,301 INFO L82 PathProgramCache]: Analyzing trace with hash -2041754693, now seen corresponding path program 25 times [2021-04-29 07:00:33,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:00:33,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593340970] [2021-04-29 07:00:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:00:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:00:33,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:33,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:33,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:33,407 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:00:33,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:33,436 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 07:00:33,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:33,461 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:00:33,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,481 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:00:33,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:00:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:00:33,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593340970] [2021-04-29 07:00:33,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393103606] [2021-04-29 07:00:33,498 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:00:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:00:33,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:00:33,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:00:33,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:33,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:33,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:33,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:33,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:33,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:33,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:33,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:33,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:33,730 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:00:33,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:33,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:00:33,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:33,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:33,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:00:33,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,737 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:33,737 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:33,739 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:00:33,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:00:33,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:33,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:33,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:33,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:33,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:33,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:33,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:33,869 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:00:33,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:33,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:00:33,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:33,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:33,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:00:33,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,876 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:33,876 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:33,877 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:33,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:33,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:33,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:33,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:33,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:33,961 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:00:33,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:33,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:33,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:00:33,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:33,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:33,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:00:33,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,972 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:33,972 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:33,973 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:33,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:33,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:34,025 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:00:34,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:34,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:34,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:34,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:34,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:34,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:34,062 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:00:34,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:34,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:34,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:34,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:34,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:34,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:00:34,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:00:34,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:00:34,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161816213] [2021-04-29 07:00:34,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:00:34,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:00:34,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:00:34,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:00:34,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:00:34,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 1830 transitions, 61488 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:34,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:00:34,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:00:34,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:00:41,725 INFO L129 PetriNetUnfolder]: 1896/3988 cut-off events. [2021-04-29 07:00:41,725 INFO L130 PetriNetUnfolder]: For 348347/348349 co-relation queries the response was YES. [2021-04-29 07:00:41,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70556 conditions, 3988 events. 1896/3988 cut-off events. For 348347/348349 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 29535 event pairs, 203 based on Foata normal form. 4/3992 useless extension candidates. Maximal degree in co-relation 70372. Up to 2274 conditions per place. [2021-04-29 07:00:41,807 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 769 selfloop transitions, 1136 changer transitions 9/1918 dead transitions. [2021-04-29 07:00:41,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 1918 transitions, 68115 flow [2021-04-29 07:00:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-04-29 07:00:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-04-29 07:00:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 514 transitions. [2021-04-29 07:00:41,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3562023562023562 [2021-04-29 07:00:41,810 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 514 transitions. [2021-04-29 07:00:41,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 514 transitions. [2021-04-29 07:00:41,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:00:41,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 514 transitions. [2021-04-29 07:00:41,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 13.179487179487179) internal successors, (514), 39 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:41,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 37.0) internal successors, (1480), 40 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:41,814 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 37.0) internal successors, (1480), 40 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:41,814 INFO L185 Difference]: Start difference. First operand has 446 places, 1830 transitions, 61488 flow. Second operand 39 states and 514 transitions. [2021-04-29 07:00:41,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 1918 transitions, 68115 flow [2021-04-29 07:00:45,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 1918 transitions, 67983 flow, removed 57 selfloop flow, removed 7 redundant places. [2021-04-29 07:00:45,336 INFO L241 Difference]: Finished difference. Result has 484 places, 1863 transitions, 65249 flow [2021-04-29 07:00:45,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=61356, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1830, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=714, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=65249, PETRI_PLACES=484, PETRI_TRANSITIONS=1863} [2021-04-29 07:00:45,338 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 458 predicate places. [2021-04-29 07:00:45,338 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:00:45,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 484 places, 1863 transitions, 65249 flow [2021-04-29 07:00:45,339 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 484 places, 1863 transitions, 65249 flow [2021-04-29 07:00:45,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 1863 transitions, 65249 flow [2021-04-29 07:00:48,472 INFO L129 PetriNetUnfolder]: 1784/3802 cut-off events. [2021-04-29 07:00:48,472 INFO L130 PetriNetUnfolder]: For 345267/345481 co-relation queries the response was YES. [2021-04-29 07:00:48,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66005 conditions, 3802 events. 1784/3802 cut-off events. For 345267/345481 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 28327 event pairs, 201 based on Foata normal form. 45/3841 useless extension candidates. Maximal degree in co-relation 65821. Up to 1603 conditions per place. [2021-04-29 07:00:48,577 INFO L146 LiptonReduction]: Number of co-enabled transitions 232 [2021-04-29 07:00:49,183 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:00:49,183 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:00:49,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3845 [2021-04-29 07:00:49,184 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 1863 transitions, 65249 flow [2021-04-29 07:00:49,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:49,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:00:49,184 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:00:49,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:00:49,392 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:00:49,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:00:49,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1750668485, now seen corresponding path program 26 times [2021-04-29 07:00:49,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:00:49,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529362624] [2021-04-29 07:00:49,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:00:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:00:49,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:49,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:49,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:49,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:49,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:49,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:49,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:00:49,498 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 07:00:49,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:49,518 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:00:49,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:00:49,537 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:00:49,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:00:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:00:49,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529362624] [2021-04-29 07:00:49,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167754902] [2021-04-29 07:00:49,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:00:49,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:00:49,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:00:49,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:00:49,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:00:49,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:00:49,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:49,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:49,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:49,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:49,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:49,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:49,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:49,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:00:49,676 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:00:49,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:00:49,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:00:49,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:00:49,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,683 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:49,684 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:49,685 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:00:49,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:00:49,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:00:49,742 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:00:49,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,750 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:49,750 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:49,751 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:00:49,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:00:49,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:00:49,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:49,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:00:49,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:49,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,869 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:00:49,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:49,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:00:49,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:00:49,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:00:49,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,875 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:00:49,875 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:00:49,876 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:49,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:00:49,938 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:00:49,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:49,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:49,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:00:49,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:00:49,976 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:00:49,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:00:49,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:00:49,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:00:49,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:00:49,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:49,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:49,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:50,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:50,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:50,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:50,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:50,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:50,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:50,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:00:50,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:00:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:00:50,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:00:50,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 19 [2021-04-29 07:00:50,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923233974] [2021-04-29 07:00:50,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 07:00:50,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:00:50,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 07:00:50,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2021-04-29 07:00:50,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:00:50,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 1863 transitions, 65249 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:50,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:00:50,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:00:50,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:00:50,572 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2021-04-29 07:00:58,637 INFO L129 PetriNetUnfolder]: 1922/4040 cut-off events. [2021-04-29 07:00:58,637 INFO L130 PetriNetUnfolder]: For 373784/373784 co-relation queries the response was YES. [2021-04-29 07:00:58,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73836 conditions, 4040 events. 1922/4040 cut-off events. For 373784/373784 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 29987 event pairs, 182 based on Foata normal form. 2/4042 useless extension candidates. Maximal degree in co-relation 73646. Up to 2406 conditions per place. [2021-04-29 07:00:58,723 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1095 selfloop transitions, 878 changer transitions 9/1986 dead transitions. [2021-04-29 07:00:58,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 1986 transitions, 73639 flow [2021-04-29 07:00:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-04-29 07:00:58,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-04-29 07:00:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 520 transitions. [2021-04-29 07:00:58,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36036036036036034 [2021-04-29 07:00:58,725 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 520 transitions. [2021-04-29 07:00:58,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 520 transitions. [2021-04-29 07:00:58,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:00:58,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 520 transitions. [2021-04-29 07:00:58,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 13.333333333333334) internal successors, (520), 39 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:58,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 37.0) internal successors, (1480), 40 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:58,729 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 37.0) internal successors, (1480), 40 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:00:58,729 INFO L185 Difference]: Start difference. First operand has 482 places, 1863 transitions, 65249 flow. Second operand 39 states and 520 transitions. [2021-04-29 07:00:58,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 1986 transitions, 73639 flow [2021-04-29 07:01:02,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 1986 transitions, 71741 flow, removed 314 selfloop flow, removed 31 redundant places. [2021-04-29 07:01:02,520 INFO L241 Difference]: Finished difference. Result has 498 places, 1925 transitions, 68079 flow [2021-04-29 07:01:02,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=63387, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=822, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1031, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=68079, PETRI_PLACES=498, PETRI_TRANSITIONS=1925} [2021-04-29 07:01:02,522 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 472 predicate places. [2021-04-29 07:01:02,522 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:01:02,522 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 1925 transitions, 68079 flow [2021-04-29 07:01:02,522 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 1925 transitions, 68079 flow [2021-04-29 07:01:02,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 1925 transitions, 68079 flow [2021-04-29 07:01:05,728 INFO L129 PetriNetUnfolder]: 1814/3871 cut-off events. [2021-04-29 07:01:05,729 INFO L130 PetriNetUnfolder]: For 359585/359767 co-relation queries the response was YES. [2021-04-29 07:01:05,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67752 conditions, 3871 events. 1814/3871 cut-off events. For 359585/359767 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 28944 event pairs, 207 based on Foata normal form. 44/3910 useless extension candidates. Maximal degree in co-relation 67563. Up to 1622 conditions per place. [2021-04-29 07:01:05,839 INFO L146 LiptonReduction]: Number of co-enabled transitions 236 [2021-04-29 07:01:06,480 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:01:06,480 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:01:06,481 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3959 [2021-04-29 07:01:06,481 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 1925 transitions, 68079 flow [2021-04-29 07:01:06,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:06,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:01:06,481 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:01:06,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-04-29 07:01:06,682 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:01:06,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:01:06,683 INFO L82 PathProgramCache]: Analyzing trace with hash 172273703, now seen corresponding path program 27 times [2021-04-29 07:01:06,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:01:06,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273723861] [2021-04-29 07:01:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:01:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:01:06,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:06,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:06,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:06,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:06,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:06,793 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:01:06,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:01:06,827 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:01:06,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:06,850 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:01:06,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:06,875 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:01:06,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:01:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:01:06,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273723861] [2021-04-29 07:01:06,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746324448] [2021-04-29 07:01:06,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:01:06,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 07:01:06,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:01:06,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:01:06,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:01:06,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:06,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:06,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:06,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:06,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:06,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:06,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:06,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:06,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:06,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:07,013 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:01:07,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:07,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:01:07,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:01:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,021 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:07,021 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:07,022 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:01:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:01:07,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:07,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:07,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:07,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:07,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:07,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:07,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:07,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:07,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:07,111 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:01:07,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:01:07,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:07,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:01:07,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,118 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:07,119 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:07,120 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:07,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:07,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:07,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:07,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:07,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:07,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:07,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:07,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:07,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:07,238 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:01:07,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:07,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:07,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:01:07,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,282 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:01:07,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:07,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:01:07,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:07,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:01:07,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,290 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:07,290 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:07,291 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:01:07,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:01:07,353 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:01:07,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:07,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:07,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:07,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:01:07,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:07,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:01:07,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:01:07,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:01:07,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545638150] [2021-04-29 07:01:07,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:01:07,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:01:07,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:01:07,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:01:07,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:01:07,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 1925 transitions, 68079 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:07,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:01:07,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:01:07,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:01:07,619 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2021-04-29 07:01:15,306 INFO L129 PetriNetUnfolder]: 2026/4256 cut-off events. [2021-04-29 07:01:15,306 INFO L130 PetriNetUnfolder]: For 427717/427717 co-relation queries the response was YES. [2021-04-29 07:01:15,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78630 conditions, 4256 events. 2026/4256 cut-off events. For 427717/427717 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 31920 event pairs, 221 based on Foata normal form. 9/4265 useless extension candidates. Maximal degree in co-relation 78435. Up to 2574 conditions per place. [2021-04-29 07:01:15,401 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 993 selfloop transitions, 1069 changer transitions 5/2071 dead transitions. [2021-04-29 07:01:15,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 2071 transitions, 77088 flow [2021-04-29 07:01:15,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 07:01:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 07:01:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 370 transitions. [2021-04-29 07:01:15,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35714285714285715 [2021-04-29 07:01:15,403 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 370 transitions. [2021-04-29 07:01:15,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 370 transitions. [2021-04-29 07:01:15,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:01:15,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 370 transitions. [2021-04-29 07:01:15,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 13.214285714285714) internal successors, (370), 28 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 07:01:15,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:15,405 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:15,405 INFO L185 Difference]: Start difference. First operand has 496 places, 1925 transitions, 68079 flow. Second operand 28 states and 370 transitions. [2021-04-29 07:01:15,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 2071 transitions, 77088 flow [2021-04-29 07:01:19,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 2071 transitions, 75009 flow, removed 650 selfloop flow, removed 28 redundant places. [2021-04-29 07:01:19,725 INFO L241 Difference]: Finished difference. Result has 505 places, 2037 transitions, 72735 flow [2021-04-29 07:01:19,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=66008, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1925, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=975, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=950, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=72735, PETRI_PLACES=505, PETRI_TRANSITIONS=2037} [2021-04-29 07:01:19,727 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 479 predicate places. [2021-04-29 07:01:19,727 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:01:19,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 2037 transitions, 72735 flow [2021-04-29 07:01:19,727 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 2037 transitions, 72735 flow [2021-04-29 07:01:19,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 2037 transitions, 72735 flow [2021-04-29 07:01:23,316 INFO L129 PetriNetUnfolder]: 1919/4067 cut-off events. [2021-04-29 07:01:23,317 INFO L130 PetriNetUnfolder]: For 387656/387902 co-relation queries the response was YES. [2021-04-29 07:01:23,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71778 conditions, 4067 events. 1919/4067 cut-off events. For 387656/387902 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 30601 event pairs, 221 based on Foata normal form. 49/4110 useless extension candidates. Maximal degree in co-relation 71582. Up to 1645 conditions per place. [2021-04-29 07:01:23,444 INFO L146 LiptonReduction]: Number of co-enabled transitions 224 [2021-04-29 07:01:24,230 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:01:24,230 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:01:24,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4503 [2021-04-29 07:01:24,230 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 2037 transitions, 72735 flow [2021-04-29 07:01:24,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:24,231 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:01:24,231 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:01:24,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-04-29 07:01:24,437 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:01:24,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:01:24,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1686018927, now seen corresponding path program 28 times [2021-04-29 07:01:24,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:01:24,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349543033] [2021-04-29 07:01:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:01:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:01:24,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:24,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:24,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:24,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:01:24,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:24,532 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-04-29 07:01:24,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:01:24,550 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 07:01:24,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:24,569 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:01:24,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:24,588 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:01:24,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:01:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:01:24,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349543033] [2021-04-29 07:01:24,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000338580] [2021-04-29 07:01:24,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:01:24,635 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:01:24,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:01:24,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:01:24,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:01:24,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:24,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:24,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:24,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:24,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:24,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:24,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:24,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:24,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:01:24,732 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:01:24,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:24,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:24,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:01:24,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:24,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:24,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:01:24,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,739 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:24,740 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:24,744 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:01:24,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:01:24,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:24,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:24,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:24,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:24,801 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:01:24,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:24,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:24,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:24,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:24,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:24,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:24,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,809 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:24,809 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:24,811 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:01:24,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:01:24,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:24,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:01:24,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:24,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:24,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:01:24,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:24,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:24,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:24,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:24,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:24,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:24,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:24,908 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:01:24,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:24,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:24,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:01:24,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:24,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:24,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:01:24,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,916 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:24,917 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:24,918 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:24,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:24,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:24,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:24,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:24,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:24,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:25,012 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:01:25,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:01:25,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:25,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:25,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:25,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:25,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:25,052 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:01:25,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:25,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:25,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:25,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:01:25,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:25,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:01:25,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:01:25,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 19 [2021-04-29 07:01:25,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972142586] [2021-04-29 07:01:25,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 07:01:25,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:01:25,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 07:01:25,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2021-04-29 07:01:25,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:01:25,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 2037 transitions, 72735 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:25,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:01:25,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:01:25,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:01:34,816 INFO L129 PetriNetUnfolder]: 2177/4565 cut-off events. [2021-04-29 07:01:34,817 INFO L130 PetriNetUnfolder]: For 473255/473255 co-relation queries the response was YES. [2021-04-29 07:01:34,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85777 conditions, 4565 events. 2177/4565 cut-off events. For 473255/473255 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 34523 event pairs, 208 based on Foata normal form. 6/4571 useless extension candidates. Maximal degree in co-relation 85571. Up to 2509 conditions per place. [2021-04-29 07:01:34,923 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1104 selfloop transitions, 1132 changer transitions 9/2249 dead transitions. [2021-04-29 07:01:34,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 2249 transitions, 85616 flow [2021-04-29 07:01:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-04-29 07:01:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-04-29 07:01:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 431 transitions. [2021-04-29 07:01:34,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3640202702702703 [2021-04-29 07:01:34,925 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 431 transitions. [2021-04-29 07:01:34,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 431 transitions. [2021-04-29 07:01:34,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:01:34,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 431 transitions. [2021-04-29 07:01:34,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 13.46875) internal successors, (431), 32 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:34,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 37.0) internal successors, (1221), 33 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:34,928 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 37.0) internal successors, (1221), 33 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:34,929 INFO L185 Difference]: Start difference. First operand has 503 places, 2037 transitions, 72735 flow. Second operand 32 states and 431 transitions. [2021-04-29 07:01:34,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 2249 transitions, 85616 flow [2021-04-29 07:01:39,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 2249 transitions, 84342 flow, removed 572 selfloop flow, removed 12 redundant places. [2021-04-29 07:01:39,633 INFO L241 Difference]: Finished difference. Result has 533 places, 2196 transitions, 81972 flow [2021-04-29 07:01:39,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=71747, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2037, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=999, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=970, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=81972, PETRI_PLACES=533, PETRI_TRANSITIONS=2196} [2021-04-29 07:01:39,635 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 507 predicate places. [2021-04-29 07:01:39,635 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:01:39,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 533 places, 2196 transitions, 81972 flow [2021-04-29 07:01:39,635 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 533 places, 2196 transitions, 81972 flow [2021-04-29 07:01:39,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 531 places, 2196 transitions, 81972 flow [2021-04-29 07:01:43,526 INFO L129 PetriNetUnfolder]: 2070/4388 cut-off events. [2021-04-29 07:01:43,526 INFO L130 PetriNetUnfolder]: For 441536/441747 co-relation queries the response was YES. [2021-04-29 07:01:43,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79964 conditions, 4388 events. 2070/4388 cut-off events. For 441536/441747 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 33379 event pairs, 237 based on Foata normal form. 43/4425 useless extension candidates. Maximal degree in co-relation 79757. Up to 1777 conditions per place. [2021-04-29 07:01:43,690 INFO L146 LiptonReduction]: Number of co-enabled transitions 228 [2021-04-29 07:01:44,577 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:01:44,577 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:01:44,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4942 [2021-04-29 07:01:44,578 INFO L480 AbstractCegarLoop]: Abstraction has has 531 places, 2196 transitions, 81972 flow [2021-04-29 07:01:44,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:44,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:01:44,578 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:01:44,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:01:44,779 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:01:44,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:01:44,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1615143543, now seen corresponding path program 29 times [2021-04-29 07:01:44,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:01:44,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994694891] [2021-04-29 07:01:44,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:01:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:01:44,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:44,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:44,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:44,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:44,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:44,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:44,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:44,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:44,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:44,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:01:44,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:44,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:44,906 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:01:44,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:01:44,943 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:01:44,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:01:44,971 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:01:44,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:44,997 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:01:44,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:01:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:01:45,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994694891] [2021-04-29 07:01:45,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318987267] [2021-04-29 07:01:45,019 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:01:45,050 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-04-29 07:01:45,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:01:45,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:01:45,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:01:45,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:45,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:45,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:45,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:45,116 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:01:45,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:45,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:45,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:45,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:45,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,125 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:45,125 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:45,126 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:01:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:01:45,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:01:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:45,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:45,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:45,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:01:45,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:45,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:45,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:45,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:45,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:45,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:45,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:45,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:01:45,300 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:01:45,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:45,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:01:45,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:01:45,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:01:45,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,308 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:45,308 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:45,310 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:45,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:01:45,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:45,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:45,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:45,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:01:45,522 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:01:45,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:45,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:45,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:01:45,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,561 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:01:45,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:45,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:01:45,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:01:45,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:01:45,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,569 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:01:45,569 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:01:45,571 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:01:45,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:01:45,633 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:01:45,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:01:45,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:01:45,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:01:45,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:01:45,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:01:45,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:01:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:01:45,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:01:45,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:01:45,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306979621] [2021-04-29 07:01:45,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:01:45,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:01:45,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:01:45,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:01:45,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:01:45,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 2196 transitions, 81972 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:45,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:01:45,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:01:45,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:01:55,505 INFO L129 PetriNetUnfolder]: 2211/4649 cut-off events. [2021-04-29 07:01:55,505 INFO L130 PetriNetUnfolder]: For 480046/480046 co-relation queries the response was YES. [2021-04-29 07:01:55,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88839 conditions, 4649 events. 2211/4649 cut-off events. For 480046/480046 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 35510 event pairs, 255 based on Foata normal form. 3/4652 useless extension candidates. Maximal degree in co-relation 88625. Up to 3136 conditions per place. [2021-04-29 07:01:55,615 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1247 selfloop transitions, 1031 changer transitions 6/2288 dead transitions. [2021-04-29 07:01:55,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 2288 transitions, 89967 flow [2021-04-29 07:01:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-29 07:01:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-04-29 07:01:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 353 transitions. [2021-04-29 07:01:55,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3533533533533533 [2021-04-29 07:01:55,617 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 353 transitions. [2021-04-29 07:01:55,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 353 transitions. [2021-04-29 07:01:55,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:01:55,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 353 transitions. [2021-04-29 07:01:55,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.074074074074074) internal successors, (353), 27 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:55,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:55,620 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:01:55,620 INFO L185 Difference]: Start difference. First operand has 531 places, 2196 transitions, 81972 flow. Second operand 27 states and 353 transitions. [2021-04-29 07:01:55,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 2288 transitions, 89967 flow [2021-04-29 07:02:01,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 2288 transitions, 88328 flow, removed 691 selfloop flow, removed 14 redundant places. [2021-04-29 07:02:01,146 INFO L241 Difference]: Finished difference. Result has 551 places, 2253 transitions, 85771 flow [2021-04-29 07:02:01,148 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=80335, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=978, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=85771, PETRI_PLACES=551, PETRI_TRANSITIONS=2253} [2021-04-29 07:02:01,148 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 525 predicate places. [2021-04-29 07:02:01,148 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:02:01,149 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 551 places, 2253 transitions, 85771 flow [2021-04-29 07:02:01,149 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 551 places, 2253 transitions, 85771 flow [2021-04-29 07:02:01,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 549 places, 2253 transitions, 85771 flow [2021-04-29 07:02:05,097 INFO L129 PetriNetUnfolder]: 2108/4476 cut-off events. [2021-04-29 07:02:05,097 INFO L130 PetriNetUnfolder]: For 447618/447803 co-relation queries the response was YES. [2021-04-29 07:02:05,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82716 conditions, 4476 events. 2108/4476 cut-off events. For 447618/447803 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 34250 event pairs, 243 based on Foata normal form. 36/4506 useless extension candidates. Maximal degree in co-relation 82503. Up to 1800 conditions per place. [2021-04-29 07:02:05,244 INFO L146 LiptonReduction]: Number of co-enabled transitions 228 [2021-04-29 07:02:06,203 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:02:06,203 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:02:06,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5055 [2021-04-29 07:02:06,203 INFO L480 AbstractCegarLoop]: Abstraction has has 549 places, 2253 transitions, 85771 flow [2021-04-29 07:02:06,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:06,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:02:06,204 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:02:06,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:02:06,408 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:02:06,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:02:06,409 INFO L82 PathProgramCache]: Analyzing trace with hash 583633873, now seen corresponding path program 30 times [2021-04-29 07:02:06,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:02:06,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898441148] [2021-04-29 07:02:06,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:02:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:02:06,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:06,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:02:06,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:06,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:06,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:02:06,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:06,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:02:06,521 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 07:02:06,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:02:06,541 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:02:06,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:06,561 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:02:06,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:02:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:02:06,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898441148] [2021-04-29 07:02:06,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864193790] [2021-04-29 07:02:06,577 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:02:06,613 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:02:06,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:02:06,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:02:06,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:02:06,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:02:06,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:06,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:06,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:06,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:06,666 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:02:06,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:02:06,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:02:06,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:06,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,673 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:02:06,673 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:02:06,674 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:02:06,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:02:06,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:06,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:06,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:06,753 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:02:06,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:06,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:06,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:06,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:06,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,759 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:02:06,759 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:02:06,761 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:02:06,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:02:06,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:02:06,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:06,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:02:06,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:06,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,890 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:02:06,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:06,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:02:06,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:06,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:02:06,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,897 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:02:06,898 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:02:06,899 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:06,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:06,959 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:02:06,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:06,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:06,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:02:06,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:06,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:06,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:06,999 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:02:07,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:02:07,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:07,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:02:07,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:07,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:07,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:02:07,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:02:07,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 19 [2021-04-29 07:02:07,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475611201] [2021-04-29 07:02:07,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 07:02:07,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:02:07,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 07:02:07,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2021-04-29 07:02:07,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:02:07,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 2253 transitions, 85771 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:07,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:02:07,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:02:07,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:02:18,644 INFO L129 PetriNetUnfolder]: 2262/4757 cut-off events. [2021-04-29 07:02:18,645 INFO L130 PetriNetUnfolder]: For 502812/502812 co-relation queries the response was YES. [2021-04-29 07:02:18,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92448 conditions, 4757 events. 2262/4757 cut-off events. For 502812/502812 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 36415 event pairs, 173 based on Foata normal form. 2/4759 useless extension candidates. Maximal degree in co-relation 92224. Up to 2547 conditions per place. [2021-04-29 07:02:18,924 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1185 selfloop transitions, 1193 changer transitions 8/2390 dead transitions. [2021-04-29 07:02:18,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 2390 transitions, 95954 flow [2021-04-29 07:02:18,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-04-29 07:02:18,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-04-29 07:02:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 425 transitions. [2021-04-29 07:02:18,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3589527027027027 [2021-04-29 07:02:18,927 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 425 transitions. [2021-04-29 07:02:18,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 425 transitions. [2021-04-29 07:02:18,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:02:18,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 425 transitions. [2021-04-29 07:02:18,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 13.28125) internal successors, (425), 32 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:18,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 37.0) internal successors, (1221), 33 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:18,930 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 37.0) internal successors, (1221), 33 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:18,930 INFO L185 Difference]: Start difference. First operand has 549 places, 2253 transitions, 85771 flow. Second operand 32 states and 425 transitions. [2021-04-29 07:02:18,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 2390 transitions, 95954 flow [2021-04-29 07:02:24,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 2390 transitions, 95171 flow, removed 170 selfloop flow, removed 18 redundant places. [2021-04-29 07:02:24,594 INFO L241 Difference]: Finished difference. Result has 573 places, 2339 transitions, 92535 flow [2021-04-29 07:02:24,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=85004, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1097, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=92535, PETRI_PLACES=573, PETRI_TRANSITIONS=2339} [2021-04-29 07:02:24,596 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 547 predicate places. [2021-04-29 07:02:24,596 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:02:24,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 573 places, 2339 transitions, 92535 flow [2021-04-29 07:02:24,597 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 573 places, 2339 transitions, 92535 flow [2021-04-29 07:02:24,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 571 places, 2339 transitions, 92535 flow [2021-04-29 07:02:28,697 INFO L129 PetriNetUnfolder]: 2155/4578 cut-off events. [2021-04-29 07:02:28,697 INFO L130 PetriNetUnfolder]: For 492953/493101 co-relation queries the response was YES. [2021-04-29 07:02:28,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87648 conditions, 4578 events. 2155/4578 cut-off events. For 492953/493101 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 35362 event pairs, 249 based on Foata normal form. 28/4599 useless extension candidates. Maximal degree in co-relation 87425. Up to 1851 conditions per place. [2021-04-29 07:02:28,867 INFO L146 LiptonReduction]: Number of co-enabled transitions 230 [2021-04-29 07:02:29,954 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:02:29,954 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:02:29,955 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5359 [2021-04-29 07:02:29,955 INFO L480 AbstractCegarLoop]: Abstraction has has 571 places, 2339 transitions, 92535 flow [2021-04-29 07:02:29,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:29,955 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:02:29,955 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:02:30,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:02:30,169 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:02:30,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:02:30,169 INFO L82 PathProgramCache]: Analyzing trace with hash -2058433623, now seen corresponding path program 31 times [2021-04-29 07:02:30,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:02:30,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903787459] [2021-04-29 07:02:30,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:02:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:02:30,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:02:30,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:02:30,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,273 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:02:30,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:30,301 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 07:02:30,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:30,327 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:02:30,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,349 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:02:30,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:02:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:02:30,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903787459] [2021-04-29 07:02:30,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632491898] [2021-04-29 07:02:30,369 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:02:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:02:30,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:02:30,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:02:30,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:30,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:30,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:30,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:30,467 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:02:30,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:02:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:30,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:02:30,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,479 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:02:30,479 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:02:30,480 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:02:30,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:02:30,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:30,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:30,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:30,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:30,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:30,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:02:30,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:30,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:02:30,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:30,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:30,651 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:02:30,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:02:30,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:02:30,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:02:30,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:02:30,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,667 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:02:30,667 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:02:30,668 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:30,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:30,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:30,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:30,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:30,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:30,742 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:02:30,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:30,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:02:30,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:30,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:02:30,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,749 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:02:30,749 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:02:30,751 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:30,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:02:30,805 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:02:30,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:30,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:02:30,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:02:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:30,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:30,844 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:02:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:02:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:30,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:02:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:30,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:30,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:02:30,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:02:30,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:02:30,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756667214] [2021-04-29 07:02:30,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:02:30,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:02:30,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:02:30,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:02:30,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:02:30,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 2339 transitions, 92535 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:30,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:02:30,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:02:30,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:02:45,507 INFO L129 PetriNetUnfolder]: 2299/4833 cut-off events. [2021-04-29 07:02:45,507 INFO L130 PetriNetUnfolder]: For 548578/548578 co-relation queries the response was YES. [2021-04-29 07:02:45,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96923 conditions, 4833 events. 2299/4833 cut-off events. For 548578/548578 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 37231 event pairs, 255 based on Foata normal form. 3/4836 useless extension candidates. Maximal degree in co-relation 96692. Up to 2926 conditions per place. [2021-04-29 07:02:45,673 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1082 selfloop transitions, 1340 changer transitions 11/2437 dead transitions. [2021-04-29 07:02:45,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 2437 transitions, 101330 flow [2021-04-29 07:02:45,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-04-29 07:02:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-04-29 07:02:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 412 transitions. [2021-04-29 07:02:45,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35919790758500436 [2021-04-29 07:02:45,676 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 412 transitions. [2021-04-29 07:02:45,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 412 transitions. [2021-04-29 07:02:45,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:02:45,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 412 transitions. [2021-04-29 07:02:45,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 13.290322580645162) internal successors, (412), 31 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:45,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 37.0) internal successors, (1184), 32 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:45,679 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 37.0) internal successors, (1184), 32 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:45,680 INFO L185 Difference]: Start difference. First operand has 571 places, 2339 transitions, 92535 flow. Second operand 31 states and 412 transitions. [2021-04-29 07:02:45,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 2437 transitions, 101330 flow [2021-04-29 07:02:52,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 2437 transitions, 100213 flow, removed 525 selfloop flow, removed 16 redundant places. [2021-04-29 07:02:52,776 INFO L241 Difference]: Finished difference. Result has 591 places, 2387 transitions, 96756 flow [2021-04-29 07:02:52,778 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=91538, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1025, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=96756, PETRI_PLACES=591, PETRI_TRANSITIONS=2387} [2021-04-29 07:02:52,778 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 565 predicate places. [2021-04-29 07:02:52,778 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:02:52,779 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 591 places, 2387 transitions, 96756 flow [2021-04-29 07:02:52,779 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 591 places, 2387 transitions, 96756 flow [2021-04-29 07:02:52,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 589 places, 2387 transitions, 96756 flow [2021-04-29 07:02:57,411 INFO L129 PetriNetUnfolder]: 2192/4662 cut-off events. [2021-04-29 07:02:57,411 INFO L130 PetriNetUnfolder]: For 501988/502127 co-relation queries the response was YES. [2021-04-29 07:02:57,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90308 conditions, 4662 events. 2192/4662 cut-off events. For 501988/502127 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 36070 event pairs, 249 based on Foata normal form. 27/4685 useless extension candidates. Maximal degree in co-relation 90081. Up to 1863 conditions per place. [2021-04-29 07:02:57,575 INFO L146 LiptonReduction]: Number of co-enabled transitions 230 [2021-04-29 07:02:58,565 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:02:58,566 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:02:58,566 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5788 [2021-04-29 07:02:58,566 INFO L480 AbstractCegarLoop]: Abstraction has has 589 places, 2387 transitions, 96756 flow [2021-04-29 07:02:58,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:58,566 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:02:58,566 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:02:58,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable95 [2021-04-29 07:02:58,778 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:02:58,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:02:58,778 INFO L82 PathProgramCache]: Analyzing trace with hash 431393229, now seen corresponding path program 32 times [2021-04-29 07:02:58,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:02:58,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328797827] [2021-04-29 07:02:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:02:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:02:58,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:58,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:02:58,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:58,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:58,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:58,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:02:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:02:58,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:58,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:58,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:58,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:02:58,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:58,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:02:58,887 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 07:02:58,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:02:58,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:58,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:02:58,924 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:02:58,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:02:58,950 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:02:58,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:58,977 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:02:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:02:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:02:58,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328797827] [2021-04-29 07:02:58,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58911846] [2021-04-29 07:02:58,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:02:59,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:02:59,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:02:59,017 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 22 conjunts are in the unsatisfiable core [2021-04-29 07:02:59,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:02:59,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:02:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:59,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:59,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:59,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:02:59,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:02:59,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:02:59,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:02:59,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:02:59,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:59,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:02:59,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:59,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:59,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:02:59,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:59,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:59,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:59,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:59,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:59,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:59,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:02:59,221 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:02:59,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:59,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:59,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:59,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:59,263 INFO L142 QuantifierPusher]: treesize reduction 20, result has 64.9 percent of original size [2021-04-29 07:02:59,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:02:59,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:02:59,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:02:59,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:02:59,323 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 07:02:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:02:59,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:02:59,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:02:59,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:02:59,354 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 07:02:59,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:59,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:02:59,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:02:59,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:59,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:02:59,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:02:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,361 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:02:59,362 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:02:59,363 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:02:59,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:02:59,431 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:02:59,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:02:59,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:59,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:02:59,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:02:59,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:02:59,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:02:59,482 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:02:59,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:59,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:59,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:02:59,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:59,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:02:59,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:02:59,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,490 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:02:59,490 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:02:59,491 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:02:59,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:02:59,550 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:02:59,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:02:59,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:02:59,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:02:59,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:02:59,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:02:59,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:02:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:02:59,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:02:59,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-04-29 07:02:59,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577008148] [2021-04-29 07:02:59,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-04-29 07:02:59,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:02:59,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-04-29 07:02:59,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-04-29 07:02:59,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:02:59,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 2387 transitions, 96756 flow. Second operand has 24 states, 24 states have (on average 11.083333333333334) internal successors, (266), 24 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:02:59,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:02:59,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:02:59,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:03:09,899 INFO L129 PetriNetUnfolder]: 2320/4887 cut-off events. [2021-04-29 07:03:09,899 INFO L130 PetriNetUnfolder]: For 532764/532764 co-relation queries the response was YES. [2021-04-29 07:03:09,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99095 conditions, 4887 events. 2320/4887 cut-off events. For 532764/532764 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 37698 event pairs, 338 based on Foata normal form. 2/4889 useless extension candidates. Maximal degree in co-relation 98860. Up to 4085 conditions per place. [2021-04-29 07:03:10,023 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 2037 selfloop transitions, 398 changer transitions 8/2447 dead transitions. [2021-04-29 07:03:10,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 2447 transitions, 104281 flow [2021-04-29 07:03:10,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 07:03:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 07:03:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 297 transitions. [2021-04-29 07:03:10,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3490011750881316 [2021-04-29 07:03:10,024 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 297 transitions. [2021-04-29 07:03:10,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 297 transitions. [2021-04-29 07:03:10,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:03:10,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 297 transitions. [2021-04-29 07:03:10,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 12.91304347826087) internal successors, (297), 23 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:10,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 37.0) internal successors, (888), 24 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:10,027 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 37.0) internal successors, (888), 24 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:10,027 INFO L185 Difference]: Start difference. First operand has 589 places, 2387 transitions, 96756 flow. Second operand 23 states and 297 transitions. [2021-04-29 07:03:10,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 2447 transitions, 104281 flow [2021-04-29 07:03:16,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 2447 transitions, 102392 flow, removed 275 selfloop flow, removed 25 redundant places. [2021-04-29 07:03:16,755 INFO L241 Difference]: Finished difference. Result has 592 places, 2418 transitions, 97428 flow [2021-04-29 07:03:16,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=94885, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=368, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2017, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=97428, PETRI_PLACES=592, PETRI_TRANSITIONS=2418} [2021-04-29 07:03:16,756 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 566 predicate places. [2021-04-29 07:03:16,756 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:03:16,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 592 places, 2418 transitions, 97428 flow [2021-04-29 07:03:16,757 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 592 places, 2418 transitions, 97428 flow [2021-04-29 07:03:16,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 590 places, 2418 transitions, 97428 flow [2021-04-29 07:03:21,548 INFO L129 PetriNetUnfolder]: 2211/4709 cut-off events. [2021-04-29 07:03:21,548 INFO L130 PetriNetUnfolder]: For 506505/506663 co-relation queries the response was YES. [2021-04-29 07:03:21,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90654 conditions, 4709 events. 2211/4709 cut-off events. For 506505/506663 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 36649 event pairs, 250 based on Foata normal form. 32/4737 useless extension candidates. Maximal degree in co-relation 90424. Up to 1871 conditions per place. [2021-04-29 07:03:21,853 INFO L146 LiptonReduction]: Number of co-enabled transitions 236 [2021-04-29 07:03:22,816 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:03:22,817 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:03:22,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6061 [2021-04-29 07:03:22,817 INFO L480 AbstractCegarLoop]: Abstraction has has 590 places, 2418 transitions, 97428 flow [2021-04-29 07:03:22,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.083333333333334) internal successors, (266), 24 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:22,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:03:22,818 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:03:23,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:03:23,028 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:03:23,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:03:23,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2044959963, now seen corresponding path program 33 times [2021-04-29 07:03:23,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:03:23,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312356404] [2021-04-29 07:03:23,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:03:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:03:23,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:03:23,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:23,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:23,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,103 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:03:23,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:23,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:03:23,145 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 07:03:23,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:03:23,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:03:23,177 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:03:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:03:23,199 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:03:23,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:23,221 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:03:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:03:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:03:23,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312356404] [2021-04-29 07:03:23,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543716929] [2021-04-29 07:03:23,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:03:23,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 07:03:23,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:03:23,264 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 22 conjunts are in the unsatisfiable core [2021-04-29 07:03:23,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:03:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:23,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:03:23,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:03:23,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:03:23,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:03:23,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:23,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:23,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:23,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:03:23,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:03:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:23,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:23,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:23,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:23,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:23,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:23,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:23,448 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-29 07:03:23,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:03:23,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:03:23,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:03:23,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:03:23,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,456 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-04-29 07:03:23,457 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:03:23,458 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,459 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-04-29 07:03:23,460 INFO L142 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-04-29 07:03:23,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:03:23,515 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:03:23,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:03:23,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:03:23,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:03:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:03:23,560 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 07:03:23,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:03:23,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:03:23,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:03:23,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:03:23,594 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 07:03:23,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:03:23,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:03:23,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:03:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:03:23,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,601 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:03:23,601 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:03:23,602 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:03:23,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:03:23,670 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:03:23,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:03:23,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:03:23,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:03:23,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:03:23,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:03:23,722 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:03:23,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:23,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:03:23,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:23,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:03:23,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,729 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:03:23,729 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:03:23,730 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:03:23,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:03:23,792 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:03:23,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:03:23,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:23,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:03:23,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:03:23,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:23,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:03:23,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:03:23,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-04-29 07:03:23,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615696150] [2021-04-29 07:03:23,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-04-29 07:03:23,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:03:23,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-04-29 07:03:23,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-04-29 07:03:23,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:03:23,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 2418 transitions, 97428 flow. Second operand has 24 states, 24 states have (on average 11.083333333333334) internal successors, (266), 24 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:23,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:03:23,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:03:23,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:03:35,998 INFO L129 PetriNetUnfolder]: 2340/4940 cut-off events. [2021-04-29 07:03:35,998 INFO L130 PetriNetUnfolder]: For 550017/550017 co-relation queries the response was YES. [2021-04-29 07:03:36,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99613 conditions, 4940 events. 2340/4940 cut-off events. For 550017/550017 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 38318 event pairs, 265 based on Foata normal form. 3/4943 useless extension candidates. Maximal degree in co-relation 99375. Up to 3185 conditions per place. [2021-04-29 07:03:36,121 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1321 selfloop transitions, 1149 changer transitions 8/2482 dead transitions. [2021-04-29 07:03:36,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 2482 transitions, 105066 flow [2021-04-29 07:03:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-29 07:03:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-04-29 07:03:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 351 transitions. [2021-04-29 07:03:36,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35135135135135137 [2021-04-29 07:03:36,123 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 351 transitions. [2021-04-29 07:03:36,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 351 transitions. [2021-04-29 07:03:36,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:03:36,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 351 transitions. [2021-04-29 07:03:36,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.0) internal successors, (351), 27 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:36,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:36,126 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 37.0) internal successors, (1036), 28 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:36,126 INFO L185 Difference]: Start difference. First operand has 590 places, 2418 transitions, 97428 flow. Second operand 27 states and 351 transitions. [2021-04-29 07:03:36,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 2482 transitions, 105066 flow [2021-04-29 07:03:43,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 2482 transitions, 104798 flow, removed 69 selfloop flow, removed 7 redundant places. [2021-04-29 07:03:43,145 INFO L241 Difference]: Finished difference. Result has 615 places, 2445 transitions, 101161 flow [2021-04-29 07:03:43,147 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=97172, PETRI_DIFFERENCE_MINUEND_PLACES=583, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=101161, PETRI_PLACES=615, PETRI_TRANSITIONS=2445} [2021-04-29 07:03:43,147 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 589 predicate places. [2021-04-29 07:03:43,147 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:03:43,147 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 2445 transitions, 101161 flow [2021-04-29 07:03:43,147 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 2445 transitions, 101161 flow [2021-04-29 07:03:43,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 613 places, 2445 transitions, 101161 flow [2021-04-29 07:03:47,867 INFO L129 PetriNetUnfolder]: 2228/4752 cut-off events. [2021-04-29 07:03:47,867 INFO L130 PetriNetUnfolder]: For 536423/536575 co-relation queries the response was YES. [2021-04-29 07:03:47,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93353 conditions, 4752 events. 2228/4752 cut-off events. For 536423/536575 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 37096 event pairs, 266 based on Foata normal form. 38/4783 useless extension candidates. Maximal degree in co-relation 93118. Up to 1878 conditions per place. [2021-04-29 07:03:48,025 INFO L146 LiptonReduction]: Number of co-enabled transitions 242 [2021-04-29 07:03:49,022 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:03:49,023 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:03:49,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5876 [2021-04-29 07:03:49,023 INFO L480 AbstractCegarLoop]: Abstraction has has 613 places, 2445 transitions, 101161 flow [2021-04-29 07:03:49,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.083333333333334) internal successors, (266), 24 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:49,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:03:49,024 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:03:49,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-04-29 07:03:49,225 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:03:49,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:03:49,225 INFO L82 PathProgramCache]: Analyzing trace with hash 381664157, now seen corresponding path program 34 times [2021-04-29 07:03:49,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:03:49,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210354529] [2021-04-29 07:03:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:03:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:03:49,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:03:49,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:49,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:49,326 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:03:49,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:03:49,359 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:03:49,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:03:49,408 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:03:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:03:49,434 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:03:49,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,463 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:03:49,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:03:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:03:49,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210354529] [2021-04-29 07:03:49,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613933230] [2021-04-29 07:03:49,490 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:03:49,518 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:03:49,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:03:49,519 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 07:03:49,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:03:49,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:03:49,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:03:49,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:03:49,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:03:49,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:03:49,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:49,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:49,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:49,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:03:49,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:49,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:03:49,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:49,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:49,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:03:49,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:49,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,662 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:03:49,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:49,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:03:49,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:03:49,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:49,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:03:49,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:03:49,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,670 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:03:49,670 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:03:49,671 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:03:49,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:03:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:03:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:49,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:49,808 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:03:49,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:03:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:03:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:03:49,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:03:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,817 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:03:49,817 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:03:49,818 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:03:49,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:03:49,877 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:03:49,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:03:49,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:03:49,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:03:49,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:03:49,925 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:03:49,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:03:49,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:49,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:03:49,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:03:49,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:03:49,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:49,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:03:50,113 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2021-04-29 07:03:50,115 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:03:50,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:50,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:50,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:03:50,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:50,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:03:50,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:03:50,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,123 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:03:50,124 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:03:50,125 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:03:50,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:03:50,190 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:03:50,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:03:50,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:03:50,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:03:50,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:03:50,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:03:50,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:03:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:03:50,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:03:50,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 23 [2021-04-29 07:03:50,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243601770] [2021-04-29 07:03:50,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-04-29 07:03:50,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:03:50,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-04-29 07:03:50,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2021-04-29 07:03:50,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:03:50,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 613 places, 2445 transitions, 101161 flow. Second operand has 25 states, 25 states have (on average 11.04) internal successors, (276), 25 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:03:50,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:03:50,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:03:50,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:04:03,491 INFO L129 PetriNetUnfolder]: 2360/4988 cut-off events. [2021-04-29 07:04:03,491 INFO L130 PetriNetUnfolder]: For 574954/574956 co-relation queries the response was YES. [2021-04-29 07:04:03,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102573 conditions, 4988 events. 2360/4988 cut-off events. For 574954/574956 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 38818 event pairs, 259 based on Foata normal form. 4/4992 useless extension candidates. Maximal degree in co-relation 102330. Up to 2906 conditions per place. [2021-04-29 07:04:03,616 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1063 selfloop transitions, 1439 changer transitions 5/2511 dead transitions. [2021-04-29 07:04:03,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 2511 transitions, 108810 flow [2021-04-29 07:04:03,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-29 07:04:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-04-29 07:04:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 339 transitions. [2021-04-29 07:04:03,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3523908523908524 [2021-04-29 07:04:03,618 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 339 transitions. [2021-04-29 07:04:03,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 339 transitions. [2021-04-29 07:04:03,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:04:03,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 339 transitions. [2021-04-29 07:04:03,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.038461538461538) internal successors, (339), 26 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:03,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 37.0) internal successors, (999), 27 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:03,620 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 37.0) internal successors, (999), 27 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:03,620 INFO L185 Difference]: Start difference. First operand has 613 places, 2445 transitions, 101161 flow. Second operand 26 states and 339 transitions. [2021-04-29 07:04:03,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 2511 transitions, 108810 flow [2021-04-29 07:04:10,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 2511 transitions, 107596 flow, removed 123 selfloop flow, removed 15 redundant places. [2021-04-29 07:04:10,688 INFO L241 Difference]: Finished difference. Result has 628 places, 2474 transitions, 104916 flow [2021-04-29 07:04:10,690 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=99986, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1411, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1031, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=104916, PETRI_PLACES=628, PETRI_TRANSITIONS=2474} [2021-04-29 07:04:10,691 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 602 predicate places. [2021-04-29 07:04:10,691 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:04:10,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 628 places, 2474 transitions, 104916 flow [2021-04-29 07:04:10,691 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 628 places, 2474 transitions, 104916 flow [2021-04-29 07:04:10,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 626 places, 2474 transitions, 104916 flow [2021-04-29 07:04:15,314 INFO L129 PetriNetUnfolder]: 2247/4797 cut-off events. [2021-04-29 07:04:15,314 INFO L130 PetriNetUnfolder]: For 559666/559880 co-relation queries the response was YES. [2021-04-29 07:04:15,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95716 conditions, 4797 events. 2247/4797 cut-off events. For 559666/559880 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 37471 event pairs, 258 based on Foata normal form. 46/4837 useless extension candidates. Maximal degree in co-relation 95481. Up to 1886 conditions per place. [2021-04-29 07:04:15,617 INFO L146 LiptonReduction]: Number of co-enabled transitions 246 [2021-04-29 07:04:16,645 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:04:16,645 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:04:16,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5954 [2021-04-29 07:04:16,646 INFO L480 AbstractCegarLoop]: Abstraction has has 626 places, 2474 transitions, 104916 flow [2021-04-29 07:04:16,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 11.04) internal successors, (276), 25 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:16,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:04:16,646 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:04:16,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:04:16,847 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:04:16,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:04:16,848 INFO L82 PathProgramCache]: Analyzing trace with hash -274646011, now seen corresponding path program 35 times [2021-04-29 07:04:16,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:04:16,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654180698] [2021-04-29 07:04:16,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:04:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:04:16,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:16,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:16,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:16,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:04:16,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:16,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:16,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:16,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:16,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:16,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:04:16,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:16,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:16,946 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-04-29 07:04:16,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:04:16,965 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 07:04:16,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:04:16,989 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:04:16,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:17,012 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:04:17,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:04:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:04:17,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654180698] [2021-04-29 07:04:17,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709695927] [2021-04-29 07:04:17,031 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:04:17,054 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:04:17,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:04:17,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:04:17,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:04:17,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:17,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:17,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:17,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:17,120 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:04:17,121 INFO L147 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size 13 [2021-04-29 07:04:17,122 INFO L142 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size [2021-04-29 07:04:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:17,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:17,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:17,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:17,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:17,187 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:04:17,188 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-04-29 07:04:17,188 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-04-29 07:04:17,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:04:17,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:04:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:04:17,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,262 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:04:17,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:17,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:04:17,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:04:17,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:17,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:04:17,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:04:17,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,269 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:04:17,269 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:04:17,270 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:04:17,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:04:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:17,366 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:04:17,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:04:17,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:17,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:04:17,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:04:17,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:17,405 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:04:17,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:04:17,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:17,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:04:17,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:04:17,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:17,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:04:17,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:04:17,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 19 [2021-04-29 07:04:17,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179968591] [2021-04-29 07:04:17,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 07:04:17,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:04:17,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 07:04:17,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2021-04-29 07:04:17,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:04:17,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 2474 transitions, 104916 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:17,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:04:17,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:04:17,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:04:30,989 INFO L129 PetriNetUnfolder]: 2473/5218 cut-off events. [2021-04-29 07:04:30,989 INFO L130 PetriNetUnfolder]: For 659634/659634 co-relation queries the response was YES. [2021-04-29 07:04:31,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109688 conditions, 5218 events. 2473/5218 cut-off events. For 659634/659634 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 40823 event pairs, 210 based on Foata normal form. 4/5222 useless extension candidates. Maximal degree in co-relation 109441. Up to 2425 conditions per place. [2021-04-29 07:04:31,120 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1099 selfloop transitions, 1522 changer transitions 8/2633 dead transitions. [2021-04-29 07:04:31,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 2633 transitions, 117288 flow [2021-04-29 07:04:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 07:04:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 07:04:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 311 transitions. [2021-04-29 07:04:31,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3654524089306698 [2021-04-29 07:04:31,122 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 311 transitions. [2021-04-29 07:04:31,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 311 transitions. [2021-04-29 07:04:31,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:04:31,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 311 transitions. [2021-04-29 07:04:31,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 13.521739130434783) internal successors, (311), 23 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:31,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 37.0) internal successors, (888), 24 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:31,124 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 37.0) internal successors, (888), 24 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:31,124 INFO L185 Difference]: Start difference. First operand has 626 places, 2474 transitions, 104916 flow. Second operand 23 states and 311 transitions. [2021-04-29 07:04:31,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 2633 transitions, 117288 flow [2021-04-29 07:04:38,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 2633 transitions, 116425 flow, removed 45 selfloop flow, removed 10 redundant places. [2021-04-29 07:04:38,791 INFO L241 Difference]: Finished difference. Result has 647 places, 2594 transitions, 113900 flow [2021-04-29 07:04:38,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=104112, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1429, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1006, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=113900, PETRI_PLACES=647, PETRI_TRANSITIONS=2594} [2021-04-29 07:04:38,793 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 621 predicate places. [2021-04-29 07:04:38,793 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:04:38,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 647 places, 2594 transitions, 113900 flow [2021-04-29 07:04:38,793 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 647 places, 2594 transitions, 113900 flow [2021-04-29 07:04:38,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 645 places, 2594 transitions, 113900 flow [2021-04-29 07:04:44,534 INFO L129 PetriNetUnfolder]: 2358/5023 cut-off events. [2021-04-29 07:04:44,535 INFO L130 PetriNetUnfolder]: For 648644/648875 co-relation queries the response was YES. [2021-04-29 07:04:44,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104317 conditions, 5023 events. 2358/5023 cut-off events. For 648644/648875 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 39473 event pairs, 280 based on Foata normal form. 55/5073 useless extension candidates. Maximal degree in co-relation 104072. Up to 1986 conditions per place. [2021-04-29 07:04:44,724 INFO L146 LiptonReduction]: Number of co-enabled transitions 248 [2021-04-29 07:04:45,893 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:04:45,893 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:04:45,893 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7100 [2021-04-29 07:04:45,894 INFO L480 AbstractCegarLoop]: Abstraction has has 645 places, 2594 transitions, 113900 flow [2021-04-29 07:04:45,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:45,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:04:45,894 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:04:46,104 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:04:46,104 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:04:46,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:04:46,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1342479839, now seen corresponding path program 36 times [2021-04-29 07:04:46,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:04:46,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555512192] [2021-04-29 07:04:46,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:04:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:04:46,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:04:46,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,202 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-04-29 07:04:46,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:04:46,225 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 07:04:46,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:04:46,250 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:04:46,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,272 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:04:46,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:04:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:04:46,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555512192] [2021-04-29 07:04:46,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180880284] [2021-04-29 07:04:46,291 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:04:46,316 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:04:46,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:04:46,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:04:46,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:04:46,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:46,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:46,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:46,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:46,382 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:04:46,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:04:46,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:04:46,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:04:46,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:04:46,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,390 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:04:46,390 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:04:46,391 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:04:46,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:04:46,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:04:46,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:46,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:46,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:46,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:04:46,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:04:46,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:04:46,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:04:46,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:04:46,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,522 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:04:46,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:04:46,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:04:46,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:04:46,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:04:46,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,531 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:04:46,531 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:04:46,532 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:04:46,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:04:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:46,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:46,592 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:04:46,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:04:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:04:46,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:04:46,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:04:46,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,600 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:04:46,600 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:04:46,601 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:04:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:04:46,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:04:46,696 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:04:46,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:04:46,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:04:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:04:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:04:46,738 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:04:46,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:04:46,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:04:46,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:04:46,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:04:46,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:04:46,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:04:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:04:46,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:04:46,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 19 [2021-04-29 07:04:46,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389907217] [2021-04-29 07:04:46,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 07:04:46,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:04:46,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 07:04:46,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-04-29 07:04:46,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:04:46,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 2594 transitions, 113900 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:04:46,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:04:46,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:04:46,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:05:00,752 INFO L129 PetriNetUnfolder]: 2503/5280 cut-off events. [2021-04-29 07:05:00,752 INFO L130 PetriNetUnfolder]: For 699390/699390 co-relation queries the response was YES. [2021-04-29 07:05:00,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114693 conditions, 5280 events. 2503/5280 cut-off events. For 699390/699390 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 41498 event pairs, 373 based on Foata normal form. 2/5282 useless extension candidates. Maximal degree in co-relation 114439. Up to 4719 conditions per place. [2021-04-29 07:05:01,042 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 2272 selfloop transitions, 368 changer transitions 10/2654 dead transitions. [2021-04-29 07:05:01,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 2654 transitions, 122306 flow [2021-04-29 07:05:01,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 07:05:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 07:05:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 280 transitions. [2021-04-29 07:05:01,044 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36036036036036034 [2021-04-29 07:05:01,044 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 280 transitions. [2021-04-29 07:05:01,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 280 transitions. [2021-04-29 07:05:01,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:05:01,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 280 transitions. [2021-04-29 07:05:01,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.333333333333334) internal successors, (280), 21 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:01,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 37.0) internal successors, (814), 22 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:01,045 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 37.0) internal successors, (814), 22 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:01,045 INFO L185 Difference]: Start difference. First operand has 645 places, 2594 transitions, 113900 flow. Second operand 21 states and 280 transitions. [2021-04-29 07:05:01,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 2654 transitions, 122306 flow [2021-04-29 07:05:09,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 2654 transitions, 120609 flow, removed 837 selfloop flow, removed 8 redundant places. [2021-04-29 07:05:09,387 INFO L241 Difference]: Finished difference. Result has 664 places, 2625 transitions, 114769 flow [2021-04-29 07:05:09,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=112203, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=346, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=114769, PETRI_PLACES=664, PETRI_TRANSITIONS=2625} [2021-04-29 07:05:09,389 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 638 predicate places. [2021-04-29 07:05:09,389 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:05:09,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 664 places, 2625 transitions, 114769 flow [2021-04-29 07:05:09,389 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 664 places, 2625 transitions, 114769 flow [2021-04-29 07:05:09,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 662 places, 2625 transitions, 114769 flow [2021-04-29 07:05:15,126 INFO L129 PetriNetUnfolder]: 2388/5081 cut-off events. [2021-04-29 07:05:15,126 INFO L130 PetriNetUnfolder]: For 641968/642205 co-relation queries the response was YES. [2021-04-29 07:05:15,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104270 conditions, 5081 events. 2388/5081 cut-off events. For 641968/642205 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 40016 event pairs, 279 based on Foata normal form. 54/5130 useless extension candidates. Maximal degree in co-relation 104019. Up to 2013 conditions per place. [2021-04-29 07:05:15,495 INFO L146 LiptonReduction]: Number of co-enabled transitions 248 [2021-04-29 07:05:16,620 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:05:16,620 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:05:16,620 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7231 [2021-04-29 07:05:16,621 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 2625 transitions, 114769 flow [2021-04-29 07:05:16,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:16,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:05:16,621 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:05:16,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-04-29 07:05:16,822 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:05:16,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:05:16,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1849627341, now seen corresponding path program 37 times [2021-04-29 07:05:16,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:05:16,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462922268] [2021-04-29 07:05:16,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:05:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:05:16,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:16,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:16,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:05:16,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:16,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:16,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:16,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:16,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:16,893 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:05:16,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:16,913 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:05:16,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:05:16,925 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:05:16,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:16,946 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:05:16,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:05:16,961 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:05:16,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:05:16,984 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:05:16,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:17,007 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:05:17,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:05:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:05:17,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462922268] [2021-04-29 07:05:17,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179838104] [2021-04-29 07:05:17,024 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:05:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:05:17,046 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 22 conjunts are in the unsatisfiable core [2021-04-29 07:05:17,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:05:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:17,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:05:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:05:17,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:05:17,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:05:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:17,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:17,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:05:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:05:17,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:17,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:17,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:17,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:17,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:17,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:17,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:17,243 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-29 07:05:17,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:05:17,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:05:17,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:05:17,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:05:17,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,254 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-04-29 07:05:17,254 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:05:17,256 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,258 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-04-29 07:05:17,259 INFO L142 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-04-29 07:05:17,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:05:17,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:17,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:17,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:17,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:17,349 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:05:17,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:05:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:05:17,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:05:17,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:05:17,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,356 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:05:17,356 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:05:17,357 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:05:17,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:05:17,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:17,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:17,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:17,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:17,448 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:05:17,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:05:17,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:05:17,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:05:17,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,580 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:05:17,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:17,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:05:17,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:05:17,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,588 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:05:17,588 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:05:17,589 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:05:17,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:05:17,652 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:05:17,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:05:17,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:17,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:05:17,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:05:17,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:17,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:05:17,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:05:17,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:05:17,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802587312] [2021-04-29 07:05:17,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:05:17,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:05:17,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:05:17,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:05:17,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:05:17,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 2625 transitions, 114769 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:17,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:05:17,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:05:17,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:05:33,021 INFO L129 PetriNetUnfolder]: 2515/5307 cut-off events. [2021-04-29 07:05:33,021 INFO L130 PetriNetUnfolder]: For 681991/681991 co-relation queries the response was YES. [2021-04-29 07:05:33,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113514 conditions, 5307 events. 2515/5307 cut-off events. For 681991/681991 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 41847 event pairs, 278 based on Foata normal form. 2/5309 useless extension candidates. Maximal degree in co-relation 113254. Up to 3085 conditions per place. [2021-04-29 07:05:33,163 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1154 selfloop transitions, 1529 changer transitions 8/2695 dead transitions. [2021-04-29 07:05:33,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 2695 transitions, 122531 flow [2021-04-29 07:05:33,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-04-29 07:05:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-04-29 07:05:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 454 transitions. [2021-04-29 07:05:33,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35057915057915057 [2021-04-29 07:05:33,165 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 454 transitions. [2021-04-29 07:05:33,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 454 transitions. [2021-04-29 07:05:33,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:05:33,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 454 transitions. [2021-04-29 07:05:33,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 12.971428571428572) internal successors, (454), 35 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:33,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 37.0) internal successors, (1332), 36 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:33,167 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 37.0) internal successors, (1332), 36 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:33,167 INFO L185 Difference]: Start difference. First operand has 662 places, 2625 transitions, 114769 flow. Second operand 35 states and 454 transitions. [2021-04-29 07:05:33,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 2695 transitions, 122531 flow [2021-04-29 07:05:41,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 686 places, 2695 transitions, 121107 flow, removed 571 selfloop flow, removed 10 redundant places. [2021-04-29 07:05:41,824 INFO L241 Difference]: Finished difference. Result has 692 places, 2645 transitions, 117938 flow [2021-04-29 07:05:41,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=113345, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=117938, PETRI_PLACES=692, PETRI_TRANSITIONS=2645} [2021-04-29 07:05:41,827 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 666 predicate places. [2021-04-29 07:05:41,827 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:05:41,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 692 places, 2645 transitions, 117938 flow [2021-04-29 07:05:41,827 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 692 places, 2645 transitions, 117938 flow [2021-04-29 07:05:41,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 690 places, 2645 transitions, 117938 flow [2021-04-29 07:05:47,249 INFO L129 PetriNetUnfolder]: 2401/5123 cut-off events. [2021-04-29 07:05:47,249 INFO L130 PetriNetUnfolder]: For 651967/652174 co-relation queries the response was YES. [2021-04-29 07:05:47,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106686 conditions, 5123 events. 2401/5123 cut-off events. For 651967/652174 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 40620 event pairs, 274 based on Foata normal form. 47/5167 useless extension candidates. Maximal degree in co-relation 106430. Up to 1958 conditions per place. [2021-04-29 07:05:47,435 INFO L146 LiptonReduction]: Number of co-enabled transitions 250 [2021-04-29 07:05:48,671 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:05:48,671 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:05:48,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6844 [2021-04-29 07:05:48,671 INFO L480 AbstractCegarLoop]: Abstraction has has 690 places, 2645 transitions, 117938 flow [2021-04-29 07:05:48,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:48,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:05:48,672 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:05:48,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:05:48,872 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:05:48,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:05:48,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1658501721, now seen corresponding path program 38 times [2021-04-29 07:05:48,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:05:48,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257058844] [2021-04-29 07:05:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:05:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:05:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:48,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:05:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:48,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:48,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:48,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:48,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:48,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:48,977 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:05:48,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:05:49,008 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:05:49,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:49,031 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:05:49,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:05:49,046 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 07:05:49,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:49,078 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:05:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:49,104 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:05:49,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:05:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:05:49,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257058844] [2021-04-29 07:05:49,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798596193] [2021-04-29 07:05:49,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:05:49,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:05:49,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:05:49,151 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 07:05:49,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:05:49,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:05:49,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:05:49,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:05:49,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:05:49,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:05:49,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:49,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:49,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:49,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:05:49,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:05:49,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:49,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:05:49,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:49,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:49,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:49,304 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:05:49,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:05:49,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:05:49,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:05:49,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:05:49,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,314 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:05:49,314 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:05:49,315 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:05:49,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:05:49,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:49,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:49,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:49,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:05:49,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:49,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:49,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:49,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:49,440 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:05:49,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:05:49,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:05:49,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:05:49,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:05:49,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,446 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:05:49,446 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:05:49,447 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:05:49,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:05:49,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:49,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:49,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:49,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:49,540 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:05:49,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:49,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:05:49,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:05:49,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:05:49,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,547 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:05:49,547 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:05:49,548 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:05:49,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:05:49,614 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:05:49,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:05:49,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:05:49,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:05:49,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:05:49,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:05:49,653 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:05:49,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:05:49,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:05:49,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:05:49,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:05:49,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:05:49,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:05:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:05:49,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:05:49,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-04-29 07:05:49,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270223907] [2021-04-29 07:05:49,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-29 07:05:49,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:05:49,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-29 07:05:49,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2021-04-29 07:05:49,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:05:49,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 2645 transitions, 117938 flow. Second operand has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:05:49,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:05:49,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:05:49,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:06:05,159 INFO L129 PetriNetUnfolder]: 2533/5344 cut-off events. [2021-04-29 07:06:05,160 INFO L130 PetriNetUnfolder]: For 719104/719104 co-relation queries the response was YES. [2021-04-29 07:06:05,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116082 conditions, 5344 events. 2533/5344 cut-off events. For 719104/719104 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 42164 event pairs, 277 based on Foata normal form. 2/5346 useless extension candidates. Maximal degree in co-relation 115817. Up to 2982 conditions per place. [2021-04-29 07:06:05,304 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1099 selfloop transitions, 1604 changer transitions 9/2716 dead transitions. [2021-04-29 07:06:05,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 2716 transitions, 126199 flow [2021-04-29 07:06:05,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-04-29 07:06:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-04-29 07:06:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 410 transitions. [2021-04-29 07:06:05,305 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35745422842197033 [2021-04-29 07:06:05,305 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 410 transitions. [2021-04-29 07:06:05,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 410 transitions. [2021-04-29 07:06:05,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:06:05,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 410 transitions. [2021-04-29 07:06:05,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 13.225806451612904) internal successors, (410), 31 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:06:05,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 37.0) internal successors, (1184), 32 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:06:05,307 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 37.0) internal successors, (1184), 32 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:06:05,308 INFO L185 Difference]: Start difference. First operand has 690 places, 2645 transitions, 117938 flow. Second operand 31 states and 410 transitions. [2021-04-29 07:06:05,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 2716 transitions, 126199 flow [2021-04-29 07:06:14,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 689 places, 2716 transitions, 124961 flow, removed 113 selfloop flow, removed 31 redundant places. [2021-04-29 07:06:14,849 INFO L241 Difference]: Finished difference. Result has 695 places, 2666 transitions, 121249 flow [2021-04-29 07:06:14,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=116716, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1585, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=121249, PETRI_PLACES=695, PETRI_TRANSITIONS=2666} [2021-04-29 07:06:14,851 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 669 predicate places. [2021-04-29 07:06:14,851 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:06:14,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 695 places, 2666 transitions, 121249 flow [2021-04-29 07:06:14,852 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 695 places, 2666 transitions, 121249 flow [2021-04-29 07:06:14,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 693 places, 2666 transitions, 121249 flow [2021-04-29 07:06:20,809 INFO L129 PetriNetUnfolder]: 2420/5153 cut-off events. [2021-04-29 07:06:20,809 INFO L130 PetriNetUnfolder]: For 683310/683491 co-relation queries the response was YES. [2021-04-29 07:06:20,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109042 conditions, 5153 events. 2420/5153 cut-off events. For 683310/683491 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 40791 event pairs, 294 based on Foata normal form. 38/5181 useless extension candidates. Maximal degree in co-relation 108785. Up to 1950 conditions per place. [2021-04-29 07:06:21,007 INFO L146 LiptonReduction]: Number of co-enabled transitions 250 [2021-04-29 07:06:22,352 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:06:22,352 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:06:22,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7501 [2021-04-29 07:06:22,353 INFO L480 AbstractCegarLoop]: Abstraction has has 693 places, 2666 transitions, 121249 flow [2021-04-29 07:06:22,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:06:22,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:06:22,353 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:06:22,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:06:22,562 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:06:22,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:06:22,564 INFO L82 PathProgramCache]: Analyzing trace with hash 2039616485, now seen corresponding path program 39 times [2021-04-29 07:06:22,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:06:22,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113733349] [2021-04-29 07:06:22,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:06:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:06:22,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:06:22,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:06:22,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:06:22,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:06:22,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:06:22,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:06:22,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:06:22,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:22,707 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:06:22,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:06:22,733 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:06:22,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:06:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:06:22,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113733349] [2021-04-29 07:06:22,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66748030] [2021-04-29 07:06:22,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:06:22,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 07:06:22,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:06:22,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:06:22,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:06:22,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:06:22,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:06:22,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:06:22,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:06:22,847 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:06:22,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:22,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:06:22,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:06:22,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:22,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:06:22,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:06:22,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,854 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:06:22,855 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:06:22,856 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:06:22,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:06:22,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:06:22,911 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 07:06:22,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:22,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:06:22,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:06:22,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:22,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:06:22,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:06:22,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,917 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:06:22,917 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:06:22,919 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:06:22,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:06:22,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:06:22,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:06:22,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:06:22,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:22,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:06:23,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:23,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:06:23,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:06:23,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:23,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:06:23,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:06:23,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:06:23,094 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:06:23,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:06:23,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:23,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:06:23,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:06:23,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,133 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:06:23,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:23,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:06:23,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:06:23,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:23,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:06:23,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:06:23,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,139 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:06:23,139 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:06:23,141 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:06:23,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:06:23,206 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:06:23,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:06:23,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:06:23,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:06:23,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:06:23,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:06:23,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:06:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:06:23,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:06:23,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:06:23,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211669661] [2021-04-29 07:06:23,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:06:23,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:06:23,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:06:23,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:06:23,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:06:23,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 693 places, 2666 transitions, 121249 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:06:23,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:06:23,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:06:23,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:06:40,256 INFO L129 PetriNetUnfolder]: 2705/5712 cut-off events. [2021-04-29 07:06:40,256 INFO L130 PetriNetUnfolder]: For 805471/805471 co-relation queries the response was YES. [2021-04-29 07:06:40,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126282 conditions, 5712 events. 2705/5712 cut-off events. For 805471/805471 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 45638 event pairs, 241 based on Foata normal form. 6/5718 useless extension candidates. Maximal degree in co-relation 126012. Up to 2141 conditions per place. [2021-04-29 07:06:40,419 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 937 selfloop transitions, 1962 changer transitions 4/2907 dead transitions. [2021-04-29 07:06:40,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 715 places, 2907 transitions, 136949 flow [2021-04-29 07:06:40,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 07:06:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 07:06:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 305 transitions. [2021-04-29 07:06:40,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3584018801410106 [2021-04-29 07:06:40,421 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 305 transitions. [2021-04-29 07:06:40,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 305 transitions. [2021-04-29 07:06:40,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:06:40,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 305 transitions. [2021-04-29 07:06:40,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 13.26086956521739) internal successors, (305), 23 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:06:40,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 37.0) internal successors, (888), 24 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:06:40,423 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 37.0) internal successors, (888), 24 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:06:40,423 INFO L185 Difference]: Start difference. First operand has 693 places, 2666 transitions, 121249 flow. Second operand 23 states and 305 transitions. [2021-04-29 07:06:40,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 715 places, 2907 transitions, 136949 flow [2021-04-29 07:06:51,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 2907 transitions, 135004 flow, removed 230 selfloop flow, removed 25 redundant places. [2021-04-29 07:06:51,418 INFO L241 Difference]: Finished difference. Result has 702 places, 2858 transitions, 135056 flow [2021-04-29 07:06:51,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=119396, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1801, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=811, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=135056, PETRI_PLACES=702, PETRI_TRANSITIONS=2858} [2021-04-29 07:06:51,424 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 676 predicate places. [2021-04-29 07:06:51,424 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:06:51,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 2858 transitions, 135056 flow [2021-04-29 07:06:51,425 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 2858 transitions, 135056 flow [2021-04-29 07:06:51,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 700 places, 2858 transitions, 135056 flow [2021-04-29 07:06:59,246 INFO L129 PetriNetUnfolder]: 2591/5520 cut-off events. [2021-04-29 07:06:59,246 INFO L130 PetriNetUnfolder]: For 797509/797687 co-relation queries the response was YES. [2021-04-29 07:06:59,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121895 conditions, 5520 events. 2591/5520 cut-off events. For 797509/797687 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 44394 event pairs, 311 based on Foata normal form. 40/5552 useless extension candidates. Maximal degree in co-relation 121627. Up to 2120 conditions per place. [2021-04-29 07:06:59,459 INFO L146 LiptonReduction]: Number of co-enabled transitions 252 [2021-04-29 07:07:00,820 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:07:00,820 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:07:00,820 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9396 [2021-04-29 07:07:00,821 INFO L480 AbstractCegarLoop]: Abstraction has has 700 places, 2858 transitions, 135056 flow [2021-04-29 07:07:00,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:07:00,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:07:00,821 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:07:01,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:07:01,029 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:07:01,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:07:01,029 INFO L82 PathProgramCache]: Analyzing trace with hash -416341173, now seen corresponding path program 40 times [2021-04-29 07:07:01,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:07:01,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333519227] [2021-04-29 07:07:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:07:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:07:01,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:01,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:07:01,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:01,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:07:01,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:07:01,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:01,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:07:01,174 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 07:07:01,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:07:01,198 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:07:01,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:07:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:07:01,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333519227] [2021-04-29 07:07:01,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122874368] [2021-04-29 07:07:01,216 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:07:01,240 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:07:01,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:07:01,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:07:01,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:07:01,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:01,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:01,299 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:07:01,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:07:01,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:07:01,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:07:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:07:01,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,307 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:07:01,307 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:07:01,308 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:07:01,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:07:01,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:01,363 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 07:07:01,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:07:01,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:07:01,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:07:01,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:07:01,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,372 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:07:01,372 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:07:01,373 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:07:01,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:07:01,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:01,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:01,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:01,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:01,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:01,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:01,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:01,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:01,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:07:01,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:07:01,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:07:01,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:07:01,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:01,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:01,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:01,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:01,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:01,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:01,546 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:07:01,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:07:01,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:07:01,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:07:01,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:07:01,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,555 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:07:01,555 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:07:01,556 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:07:01,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:07:01,619 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 07:07:01,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:07:01,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:07:01,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:01,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:07:01,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:07:01,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:01,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:07:01,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:07:01,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-04-29 07:07:01,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881208135] [2021-04-29 07:07:01,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-04-29 07:07:01,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:07:01,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-04-29 07:07:01,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-04-29 07:07:01,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:07:01,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 2858 transitions, 135056 flow. Second operand has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:07:01,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:07:01,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:07:01,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:07:19,511 INFO L129 PetriNetUnfolder]: 2738/5780 cut-off events. [2021-04-29 07:07:19,511 INFO L130 PetriNetUnfolder]: For 872648/872648 co-relation queries the response was YES. [2021-04-29 07:07:19,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133037 conditions, 5780 events. 2738/5780 cut-off events. For 872648/872648 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 46249 event pairs, 335 based on Foata normal form. 4/5784 useless extension candidates. Maximal degree in co-relation 132763. Up to 2167 conditions per place. [2021-04-29 07:07:19,686 INFO L132 encePairwiseOnDemand]: 30/37 looper letters, 988 selfloop transitions, 1942 changer transitions 7/2941 dead transitions. [2021-04-29 07:07:19,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 724 places, 2941 transitions, 144709 flow [2021-04-29 07:07:19,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 07:07:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 07:07:19,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 337 transitions. [2021-04-29 07:07:19,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3643243243243243 [2021-04-29 07:07:19,688 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 337 transitions. [2021-04-29 07:07:19,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 337 transitions. [2021-04-29 07:07:19,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:07:19,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 337 transitions. [2021-04-29 07:07:19,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 13.48) internal successors, (337), 25 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:07:19,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:07:19,690 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:07:19,690 INFO L185 Difference]: Start difference. First operand has 700 places, 2858 transitions, 135056 flow. Second operand 25 states and 337 transitions. [2021-04-29 07:07:19,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 724 places, 2941 transitions, 144709 flow [2021-04-29 07:07:31,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 2941 transitions, 144039 flow, removed 324 selfloop flow, removed 9 redundant places. [2021-04-29 07:07:31,759 INFO L241 Difference]: Finished difference. Result has 719 places, 2883 transitions, 140645 flow [2021-04-29 07:07:31,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=134436, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1917, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=140645, PETRI_PLACES=719, PETRI_TRANSITIONS=2883} [2021-04-29 07:07:31,762 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 693 predicate places. [2021-04-29 07:07:31,762 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:07:31,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 719 places, 2883 transitions, 140645 flow [2021-04-29 07:07:31,763 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 719 places, 2883 transitions, 140645 flow [2021-04-29 07:07:31,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 717 places, 2883 transitions, 140645 flow [2021-04-29 07:07:39,155 INFO L129 PetriNetUnfolder]: 2616/5567 cut-off events. [2021-04-29 07:07:39,156 INFO L130 PetriNetUnfolder]: For 816706/816894 co-relation queries the response was YES. [2021-04-29 07:07:39,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124951 conditions, 5567 events. 2616/5567 cut-off events. For 816706/816894 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 44743 event pairs, 309 based on Foata normal form. 47/5608 useless extension candidates. Maximal degree in co-relation 124685. Up to 2152 conditions per place. [2021-04-29 07:07:39,559 INFO L146 LiptonReduction]: Number of co-enabled transitions 252 [2021-04-29 07:07:40,985 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:07:40,985 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:07:40,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9223 [2021-04-29 07:07:40,986 INFO L480 AbstractCegarLoop]: Abstraction has has 717 places, 2883 transitions, 140645 flow [2021-04-29 07:07:40,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:07:40,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:07:40,986 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:07:41,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-04-29 07:07:41,187 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:07:41,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:07:41,188 INFO L82 PathProgramCache]: Analyzing trace with hash 2079964911, now seen corresponding path program 41 times [2021-04-29 07:07:41,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:07:41,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855458811] [2021-04-29 07:07:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:07:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:07:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:07:41,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:41,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:41,295 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:07:41,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:07:41,328 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 07:07:41,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:07:41,358 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:07:41,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,381 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:07:41,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:07:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:07:41,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855458811] [2021-04-29 07:07:41,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685074612] [2021-04-29 07:07:41,401 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:07:41,441 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-04-29 07:07:41,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:07:41,442 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 22 conjunts are in the unsatisfiable core [2021-04-29 07:07:41,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:07:41,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:07:41,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:41,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:41,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:41,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:41,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,655 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-04-29 07:07:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:41,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:41,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:41,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:07:41,692 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:07:41,693 INFO L147 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size 15 [2021-04-29 07:07:41,694 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-04-29 07:07:41,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:41,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:41,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:07:41,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,773 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:07:41,774 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-04-29 07:07:41,774 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-04-29 07:07:41,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:07:41,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:07:41,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:07:41,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:07:41,872 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:07:41,873 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-04-29 07:07:41,874 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-04-29 07:07:41,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:07:41,914 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:07:41,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:07:41,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:07:41,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:07:41,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:07:41,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:07:41,957 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:07:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:07:41,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:41,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:41,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:41,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:42,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:42,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:42,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:42,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:42,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:42,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:07:42,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:07:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:07:42,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:07:42,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:07:42,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270557096] [2021-04-29 07:07:42,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:07:42,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:07:42,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:07:42,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:07:42,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:07:42,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 717 places, 2883 transitions, 140645 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:07:42,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:07:42,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:07:42,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:07:47,056 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2021-04-29 07:08:01,324 INFO L129 PetriNetUnfolder]: 2758/5812 cut-off events. [2021-04-29 07:08:01,324 INFO L130 PetriNetUnfolder]: For 890290/890290 co-relation queries the response was YES. [2021-04-29 07:08:01,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135710 conditions, 5812 events. 2758/5812 cut-off events. For 890290/890290 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 46627 event pairs, 297 based on Foata normal form. 2/5814 useless extension candidates. Maximal degree in co-relation 135435. Up to 3233 conditions per place. [2021-04-29 07:08:01,493 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 1173 selfloop transitions, 1775 changer transitions 8/2960 dead transitions. [2021-04-29 07:08:01,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 2960 transitions, 150366 flow [2021-04-29 07:08:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-29 07:08:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-04-29 07:08:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 393 transitions. [2021-04-29 07:08:01,495 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35405405405405405 [2021-04-29 07:08:01,495 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 393 transitions. [2021-04-29 07:08:01,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 393 transitions. [2021-04-29 07:08:01,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:08:01,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 393 transitions. [2021-04-29 07:08:01,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 13.1) internal successors, (393), 30 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:08:01,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 37.0) internal successors, (1147), 31 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:08:01,497 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 37.0) internal successors, (1147), 31 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:08:01,497 INFO L185 Difference]: Start difference. First operand has 717 places, 2883 transitions, 140645 flow. Second operand 30 states and 393 transitions. [2021-04-29 07:08:01,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 2960 transitions, 150366 flow [2021-04-29 07:08:13,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 724 places, 2960 transitions, 147291 flow, removed 364 selfloop flow, removed 22 redundant places. [2021-04-29 07:08:13,397 INFO L241 Difference]: Finished difference. Result has 730 places, 2921 transitions, 143914 flow [2021-04-29 07:08:13,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=137655, PETRI_DIFFERENCE_MINUEND_PLACES=695, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1741, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=143914, PETRI_PLACES=730, PETRI_TRANSITIONS=2921} [2021-04-29 07:08:13,400 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 704 predicate places. [2021-04-29 07:08:13,400 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:08:13,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 730 places, 2921 transitions, 143914 flow [2021-04-29 07:08:13,401 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 730 places, 2921 transitions, 143914 flow [2021-04-29 07:08:13,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 728 places, 2921 transitions, 143914 flow [2021-04-29 07:08:20,934 INFO L129 PetriNetUnfolder]: 2641/5620 cut-off events. [2021-04-29 07:08:20,934 INFO L130 PetriNetUnfolder]: For 813322/813485 co-relation queries the response was YES. [2021-04-29 07:08:21,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128901 conditions, 5620 events. 2641/5620 cut-off events. For 813322/813485 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 45263 event pairs, 283 based on Foata normal form. 39/5656 useless extension candidates. Maximal degree in co-relation 128636. Up to 2137 conditions per place. [2021-04-29 07:08:21,153 INFO L146 LiptonReduction]: Number of co-enabled transitions 252 [2021-04-29 07:08:22,586 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:08:22,586 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:08:22,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9186 [2021-04-29 07:08:22,586 INFO L480 AbstractCegarLoop]: Abstraction has has 728 places, 2921 transitions, 143914 flow [2021-04-29 07:08:22,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:08:22,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:08:22,586 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:08:22,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:08:22,787 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:08:22,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:08:22,788 INFO L82 PathProgramCache]: Analyzing trace with hash 2002049875, now seen corresponding path program 42 times [2021-04-29 07:08:22,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:08:22,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235501242] [2021-04-29 07:08:22,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:08:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:08:22,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:22,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:08:22,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:22,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:08:22,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:22,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:08:22,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:22,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:08:22,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:22,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:22,867 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:08:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:22,887 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:08:22,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:08:22,901 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:08:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:22,926 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:08:22,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:08:22,943 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 07:08:22,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:08:22,974 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:08:22,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:22,999 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:08:22,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:08:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:08:23,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235501242] [2021-04-29 07:08:23,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957989713] [2021-04-29 07:08:23,021 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:08:23,048 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:08:23,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:08:23,049 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 22 conjunts are in the unsatisfiable core [2021-04-29 07:08:23,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:08:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:08:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:08:23,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:08:23,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:08:23,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:08:23,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:08:23,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:08:23,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:08:23,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:08:23,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:08:23,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:08:23,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:08:23,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:08:23,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:23,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:23,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:23,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:23,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:23,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:08:23,235 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-29 07:08:23,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:08:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:08:23,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:08:23,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:08:23,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,243 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-04-29 07:08:23,244 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:08:23,245 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,247 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-04-29 07:08:23,248 INFO L142 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-04-29 07:08:23,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:08:23,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:08:23,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:08:23,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:08:23,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:08:23,335 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:08:23,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:08:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:08:23,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:08:23,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:08:23,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,344 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:08:23,344 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:08:23,345 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:08:23,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:08:23,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:08:23,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:08:23,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:08:23,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:08:23,440 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:08:23,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:08:23,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:08:23,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:08:23,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:08:23,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,448 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:08:23,448 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:08:23,450 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:08:23,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:08:23,515 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:08:23,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:08:23,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:08:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:08:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:08:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:08:23,559 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:08:23,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:08:23,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:08:23,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:08:23,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:08:23,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:08:23,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:08:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:08:23,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:08:23,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:08:23,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006985769] [2021-04-29 07:08:23,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:08:23,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:08:23,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:08:23,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:08:23,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:08:23,615 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 728 places, 2921 transitions, 143914 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:08:23,615 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:08:23,615 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:08:23,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:08:43,600 INFO L129 PetriNetUnfolder]: 2776/5848 cut-off events. [2021-04-29 07:08:43,600 INFO L130 PetriNetUnfolder]: For 921226/921226 co-relation queries the response was YES. [2021-04-29 07:08:43,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139284 conditions, 5848 events. 2776/5848 cut-off events. For 921226/921226 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 47006 event pairs, 315 based on Foata normal form. 2/5850 useless extension candidates. Maximal degree in co-relation 139010. Up to 3292 conditions per place. [2021-04-29 07:08:43,772 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1219 selfloop transitions, 1772 changer transitions 12/3007 dead transitions. [2021-04-29 07:08:43,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 766 places, 3007 transitions, 153567 flow [2021-04-29 07:08:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-04-29 07:08:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-04-29 07:08:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 514 transitions. [2021-04-29 07:08:43,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3562023562023562 [2021-04-29 07:08:43,774 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 514 transitions. [2021-04-29 07:08:43,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 514 transitions. [2021-04-29 07:08:43,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:08:43,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 514 transitions. [2021-04-29 07:08:43,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 13.179487179487179) internal successors, (514), 39 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:08:43,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 37.0) internal successors, (1480), 40 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:08:43,777 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 37.0) internal successors, (1480), 40 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:08:43,777 INFO L185 Difference]: Start difference. First operand has 728 places, 2921 transitions, 143914 flow. Second operand 39 states and 514 transitions. [2021-04-29 07:08:43,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 766 places, 3007 transitions, 153567 flow [2021-04-29 07:08:55,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 748 places, 3007 transitions, 151887 flow, removed 409 selfloop flow, removed 18 redundant places. [2021-04-29 07:08:55,446 INFO L241 Difference]: Finished difference. Result has 754 places, 2945 transitions, 147423 flow [2021-04-29 07:08:55,448 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=142250, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2921, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1753, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=147423, PETRI_PLACES=754, PETRI_TRANSITIONS=2945} [2021-04-29 07:08:55,449 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 728 predicate places. [2021-04-29 07:08:55,449 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:08:55,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 754 places, 2945 transitions, 147423 flow [2021-04-29 07:08:55,449 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 754 places, 2945 transitions, 147423 flow [2021-04-29 07:08:55,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 752 places, 2945 transitions, 147423 flow [2021-04-29 07:09:02,977 INFO L129 PetriNetUnfolder]: 2654/5644 cut-off events. [2021-04-29 07:09:02,977 INFO L130 PetriNetUnfolder]: For 838225/838375 co-relation queries the response was YES. [2021-04-29 07:09:03,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131049 conditions, 5644 events. 2654/5644 cut-off events. For 838225/838375 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 45528 event pairs, 288 based on Foata normal form. 38/5675 useless extension candidates. Maximal degree in co-relation 130780. Up to 2145 conditions per place. [2021-04-29 07:09:03,390 INFO L146 LiptonReduction]: Number of co-enabled transitions 252 [2021-04-29 07:09:04,700 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:09:04,701 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:09:04,701 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9252 [2021-04-29 07:09:04,701 INFO L480 AbstractCegarLoop]: Abstraction has has 752 places, 2945 transitions, 147423 flow [2021-04-29 07:09:04,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:09:04,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:09:04,702 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:09:04,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable133 [2021-04-29 07:09:04,911 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:09:04,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:09:04,911 INFO L82 PathProgramCache]: Analyzing trace with hash 618185099, now seen corresponding path program 43 times [2021-04-29 07:09:04,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:09:04,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851084897] [2021-04-29 07:09:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:09:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:09:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:04,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:04,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:09:04,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:04,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:04,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:04,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:04,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:04,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:04,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:05,013 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-04-29 07:09:05,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:09:05,036 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 07:09:05,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:09:05,059 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:09:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:05,083 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:09:05,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:09:05,099 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:09:05,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851084897] [2021-04-29 07:09:05,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242132397] [2021-04-29 07:09:05,100 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:09:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:09:05,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:09:05,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:09:05,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:09:05,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:05,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:05,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:05,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:05,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:05,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:05,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:05,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:05,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:05,226 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:09:05,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:09:05,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:09:05,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:09:05,340 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-04-29 07:09:05,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:09:05,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,342 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:09:05,342 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:09:05,343 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:09:05,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:09:05,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:05,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:05,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:05,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:05,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:09:05,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:09:05,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:09:05,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:09:05,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:05,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:05,449 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:09:05,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:09:05,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:09:05,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:09:05,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:09:05,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,457 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:09:05,457 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:09:05,458 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:09:05,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:09:05,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:05,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:05,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:05,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:05,524 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:09:05,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:09:05,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:09:05,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:09:05,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:09:05,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,531 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:09:05,532 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:09:05,533 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:09:05,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:09:05,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:05,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:05,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:05,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:05,640 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:09:05,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:09:05,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:09:05,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:09:05,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:05,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:05,678 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:09:05,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:09:05,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:05,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:09:05,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:09:05,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:05,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:09:05,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:09:05,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 19 [2021-04-29 07:09:05,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808873456] [2021-04-29 07:09:05,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-29 07:09:05,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:09:05,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-29 07:09:05,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2021-04-29 07:09:05,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:09:05,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 752 places, 2945 transitions, 147423 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:09:05,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:09:05,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:09:05,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:09:24,176 INFO L129 PetriNetUnfolder]: 2847/5992 cut-off events. [2021-04-29 07:09:24,176 INFO L130 PetriNetUnfolder]: For 983328/983328 co-relation queries the response was YES. [2021-04-29 07:09:24,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144902 conditions, 5992 events. 2847/5992 cut-off events. For 983328/983328 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 48349 event pairs, 373 based on Foata normal form. 3/5995 useless extension candidates. Maximal degree in co-relation 144624. Up to 4600 conditions per place. [2021-04-29 07:09:24,358 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 2243 selfloop transitions, 801 changer transitions 9/3057 dead transitions. [2021-04-29 07:09:24,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 3057 transitions, 159065 flow [2021-04-29 07:09:24,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 07:09:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 07:09:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 371 transitions. [2021-04-29 07:09:24,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3581081081081081 [2021-04-29 07:09:24,360 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 371 transitions. [2021-04-29 07:09:24,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 371 transitions. [2021-04-29 07:09:24,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:09:24,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 371 transitions. [2021-04-29 07:09:24,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 13.25) internal successors, (371), 28 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:09:24,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:09:24,362 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 37.0) internal successors, (1073), 29 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:09:24,362 INFO L185 Difference]: Start difference. First operand has 752 places, 2945 transitions, 147423 flow. Second operand 28 states and 371 transitions. [2021-04-29 07:09:24,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 3057 transitions, 159065 flow [2021-04-29 07:09:36,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 3057 transitions, 155224 flow, removed 411 selfloop flow, removed 35 redundant places. [2021-04-29 07:09:36,331 INFO L241 Difference]: Finished difference. Result has 751 places, 3018 transitions, 149512 flow [2021-04-29 07:09:36,334 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=143652, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=739, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=149512, PETRI_PLACES=751, PETRI_TRANSITIONS=3018} [2021-04-29 07:09:36,334 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 725 predicate places. [2021-04-29 07:09:36,334 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:09:36,334 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 751 places, 3018 transitions, 149512 flow [2021-04-29 07:09:36,334 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 751 places, 3018 transitions, 149512 flow [2021-04-29 07:09:36,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 3018 transitions, 149512 flow [2021-04-29 07:09:44,082 INFO L129 PetriNetUnfolder]: 2732/5799 cut-off events. [2021-04-29 07:09:44,083 INFO L130 PetriNetUnfolder]: For 861296/861422 co-relation queries the response was YES. [2021-04-29 07:09:44,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134243 conditions, 5799 events. 2732/5799 cut-off events. For 861296/861422 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 47000 event pairs, 294 based on Foata normal form. 28/5820 useless extension candidates. Maximal degree in co-relation 133973. Up to 2179 conditions per place. [2021-04-29 07:09:44,495 INFO L146 LiptonReduction]: Number of co-enabled transitions 252 [2021-04-29 07:09:46,023 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:09:46,023 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:09:46,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9689 [2021-04-29 07:09:46,024 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 3018 transitions, 149512 flow [2021-04-29 07:09:46,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:09:46,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:09:46,024 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:09:46,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable137 [2021-04-29 07:09:46,225 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:09:46,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:09:46,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1925918333, now seen corresponding path program 44 times [2021-04-29 07:09:46,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:09:46,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703793443] [2021-04-29 07:09:46,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:09:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:09:46,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:09:46,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:46,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:46,478 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:09:46,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:09:46,514 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:09:46,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:46,540 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:09:46,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,565 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:09:46,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:09:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:09:46,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703793443] [2021-04-29 07:09:46,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623949891] [2021-04-29 07:09:46,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:09:46,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:09:46,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:09:46,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:09:46,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:09:46,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:09:46,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:46,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:46,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:46,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:09:46,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:46,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:46,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:46,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:09:46,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:46,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:09:46,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:09:46,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:09:46,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:09:46,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,771 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:09:46,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:46,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:09:46,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:09:46,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:46,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:09:46,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:09:46,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,780 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:09:46,780 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:09:46,781 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:09:46,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:09:46,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:09:46,854 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:09:46,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:46,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:09:46,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:09:46,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:46,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:09:46,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:09:46,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,866 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:09:46,866 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:09:46,867 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:09:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:09:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:46,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:46,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:09:46,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:09:46,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:09:46,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:09:46,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:46,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:09:47,006 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:09:47,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:09:47,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:47,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:09:47,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:09:47,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,054 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:09:47,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:09:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:09:47,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:09:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:09:47,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,062 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:09:47,062 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:09:47,065 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:09:47,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:09:47,136 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:09:47,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:09:47,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:09:47,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:09:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:09:47,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:09:47,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:09:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:09:47,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:09:47,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-04-29 07:09:47,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954611582] [2021-04-29 07:09:47,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-29 07:09:47,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:09:47,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-29 07:09:47,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-04-29 07:09:47,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:09:47,195 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 3018 transitions, 149512 flow. Second operand has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:09:47,195 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:09:47,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:09:47,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:10:08,062 INFO L129 PetriNetUnfolder]: 2936/6184 cut-off events. [2021-04-29 07:10:08,062 INFO L130 PetriNetUnfolder]: For 1028107/1028107 co-relation queries the response was YES. [2021-04-29 07:10:08,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148925 conditions, 6184 events. 2936/6184 cut-off events. For 1028107/1028107 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 50382 event pairs, 351 based on Foata normal form. 7/6191 useless extension candidates. Maximal degree in co-relation 148646. Up to 3832 conditions per place. [2021-04-29 07:10:08,245 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1562 selfloop transitions, 1594 changer transitions 5/3165 dead transitions. [2021-04-29 07:10:08,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 773 places, 3165 transitions, 163254 flow [2021-04-29 07:10:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 07:10:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 07:10:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 329 transitions. [2021-04-29 07:10:08,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35567567567567565 [2021-04-29 07:10:08,246 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 329 transitions. [2021-04-29 07:10:08,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 329 transitions. [2021-04-29 07:10:08,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:10:08,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 329 transitions. [2021-04-29 07:10:08,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 13.16) internal successors, (329), 25 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:10:08,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:10:08,249 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:10:08,249 INFO L185 Difference]: Start difference. First operand has 749 places, 3018 transitions, 149512 flow. Second operand 25 states and 329 transitions. [2021-04-29 07:10:08,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 773 places, 3165 transitions, 163254 flow [2021-04-29 07:10:20,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 753 places, 3165 transitions, 160566 flow, removed 510 selfloop flow, removed 20 redundant places. [2021-04-29 07:10:20,784 INFO L241 Difference]: Finished difference. Result has 764 places, 3129 transitions, 157373 flow [2021-04-29 07:10:20,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=147063, PETRI_DIFFERENCE_MINUEND_PLACES=729, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3018, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1501, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=157373, PETRI_PLACES=764, PETRI_TRANSITIONS=3129} [2021-04-29 07:10:20,787 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 738 predicate places. [2021-04-29 07:10:20,787 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:10:20,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 764 places, 3129 transitions, 157373 flow [2021-04-29 07:10:20,787 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 764 places, 3129 transitions, 157373 flow [2021-04-29 07:10:20,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 762 places, 3129 transitions, 157373 flow [2021-04-29 07:10:29,641 INFO L129 PetriNetUnfolder]: 2814/5980 cut-off events. [2021-04-29 07:10:29,642 INFO L130 PetriNetUnfolder]: For 963337/963561 co-relation queries the response was YES. [2021-04-29 07:10:29,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140175 conditions, 5980 events. 2814/5980 cut-off events. For 963337/963561 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 48937 event pairs, 305 based on Foata normal form. 58/6034 useless extension candidates. Maximal degree in co-relation 139897. Up to 2228 conditions per place. [2021-04-29 07:10:29,891 INFO L146 LiptonReduction]: Number of co-enabled transitions 258 [2021-04-29 07:10:31,581 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:10:31,582 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:10:31,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10795 [2021-04-29 07:10:31,582 INFO L480 AbstractCegarLoop]: Abstraction has has 762 places, 3129 transitions, 157373 flow [2021-04-29 07:10:31,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:10:31,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:10:31,582 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:10:31,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:10:31,783 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:10:31,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:10:31,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1482628253, now seen corresponding path program 45 times [2021-04-29 07:10:31,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:10:31,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231083956] [2021-04-29 07:10:31,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:10:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:10:31,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:31,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:31,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:31,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:10:31,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:31,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:31,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:31,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:31,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:31,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:31,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:10:31,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:31,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:31,919 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:10:31,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:10:31,959 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-04-29 07:10:31,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:10:31,990 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:10:31,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:32,014 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:10:32,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:10:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:10:32,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231083956] [2021-04-29 07:10:32,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781160758] [2021-04-29 07:10:32,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:10:32,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 07:10:32,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:10:32,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 07:10:32,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:10:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:10:32,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:10:32,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:10:32,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:10:32,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:10:32,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:10:32,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:10:32,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:10:32,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:10:32,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:10:32,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:10:32,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:10:32,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:10:32,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:32,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:32,201 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:10:32,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:10:32,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:10:32,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:10:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:10:32,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,209 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:10:32,209 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:10:32,210 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:10:32,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:10:32,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:32,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:32,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:32,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:10:32,270 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:10:32,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:10:32,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:10:32,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:10:32,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:10:32,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,277 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:10:32,277 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:10:32,278 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:10:32,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:10:32,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:10:32,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:10:32,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:10:32,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:10:32,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:10:32,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:10:32,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:10:32,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:10:32,400 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:10:32,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:10:32,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:10:32,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:10:32,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:10:32,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,408 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:10:32,408 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:10:32,409 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:10:32,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:10:32,476 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:10:32,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:10:32,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:10:32,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:10:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:10:32,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:10:32,519 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:10:32,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:10:32,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:10:32,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:10:32,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:10:32,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:10:32,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:10:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:10:32,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:10:32,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-04-29 07:10:32,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201116089] [2021-04-29 07:10:32,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-29 07:10:32,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:10:32,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-29 07:10:32,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2021-04-29 07:10:32,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:10:32,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 762 places, 3129 transitions, 157373 flow. Second operand has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:10:32,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:10:32,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:10:32,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:10:55,830 INFO L129 PetriNetUnfolder]: 2974/6262 cut-off events. [2021-04-29 07:10:55,830 INFO L130 PetriNetUnfolder]: For 1058849/1058849 co-relation queries the response was YES. [2021-04-29 07:10:55,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152500 conditions, 6262 events. 2974/6262 cut-off events. For 1058849/1058849 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 51130 event pairs, 323 based on Foata normal form. 2/6264 useless extension candidates. Maximal degree in co-relation 152213. Up to 3444 conditions per place. [2021-04-29 07:10:56,162 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 1268 selfloop transitions, 1941 changer transitions 9/3222 dead transitions. [2021-04-29 07:10:56,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 791 places, 3222 transitions, 168570 flow [2021-04-29 07:10:56,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-29 07:10:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-04-29 07:10:56,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 396 transitions. [2021-04-29 07:10:56,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3567567567567568 [2021-04-29 07:10:56,164 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 396 transitions. [2021-04-29 07:10:56,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 396 transitions. [2021-04-29 07:10:56,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:10:56,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 396 transitions. [2021-04-29 07:10:56,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 13.2) internal successors, (396), 30 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:10:56,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 37.0) internal successors, (1147), 31 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:10:56,167 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 37.0) internal successors, (1147), 31 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:10:56,167 INFO L185 Difference]: Start difference. First operand has 762 places, 3129 transitions, 157373 flow. Second operand 30 states and 396 transitions. [2021-04-29 07:10:56,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 791 places, 3222 transitions, 168570 flow [2021-04-29 07:11:09,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 3222 transitions, 167713 flow, removed 300 selfloop flow, removed 10 redundant places. [2021-04-29 07:11:09,729 INFO L241 Difference]: Finished difference. Result has 787 places, 3175 transitions, 163906 flow [2021-04-29 07:11:09,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=156542, PETRI_DIFFERENCE_MINUEND_PLACES=752, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1898, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=163906, PETRI_PLACES=787, PETRI_TRANSITIONS=3175} [2021-04-29 07:11:09,732 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 761 predicate places. [2021-04-29 07:11:09,732 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:11:09,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 3175 transitions, 163906 flow [2021-04-29 07:11:09,733 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 3175 transitions, 163906 flow [2021-04-29 07:11:09,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 785 places, 3175 transitions, 163906 flow [2021-04-29 07:11:18,652 INFO L129 PetriNetUnfolder]: 2852/6059 cut-off events. [2021-04-29 07:11:18,653 INFO L130 PetriNetUnfolder]: For 1001399/1001542 co-relation queries the response was YES. [2021-04-29 07:11:18,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145012 conditions, 6059 events. 2852/6059 cut-off events. For 1001399/1001542 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 49707 event pairs, 310 based on Foata normal form. 39/6094 useless extension candidates. Maximal degree in co-relation 144730. Up to 2264 conditions per place. [2021-04-29 07:11:18,905 INFO L146 LiptonReduction]: Number of co-enabled transitions 258 [2021-04-29 07:11:20,603 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:11:20,603 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:11:20,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10871 [2021-04-29 07:11:20,603 INFO L480 AbstractCegarLoop]: Abstraction has has 785 places, 3175 transitions, 163906 flow [2021-04-29 07:11:20,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:11:20,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:11:20,604 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:11:20,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-04-29 07:11:20,804 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:11:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:11:20,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1923137567, now seen corresponding path program 46 times [2021-04-29 07:11:20,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:11:20,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604667623] [2021-04-29 07:11:20,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:11:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:11:20,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:20,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:20,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:20,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:11:20,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:20,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:20,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:20,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:20,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:20,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:20,927 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-04-29 07:11:20,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:11:20,953 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 07:11:20,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:11:20,981 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-04-29 07:11:20,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,007 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 07:11:21,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:11:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:11:21,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604667623] [2021-04-29 07:11:21,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591834498] [2021-04-29 07:11:21,026 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:11:21,049 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:11:21,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:11:21,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:11:21,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:11:21,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:11:21,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:11:21,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:11:21,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:11:21,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:11:21,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:11:21,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:11:21,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:11:21,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:11:21,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:11:21,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:11:21,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:11:21,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:11:21,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,200 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:11:21,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:11:21,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:11:21,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:11:21,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:11:21,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,208 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:11:21,208 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:11:21,209 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:11:21,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:11:21,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,280 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:11:21,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:11:21,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:11:21,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:11:21,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:11:21,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,287 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:11:21,287 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:11:21,289 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:11:21,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:11:21,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:11:21,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:11:21,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:11:21,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:11:21,354 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:11:21,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:11:21,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:11:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:11:21,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:11:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,361 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:11:21,361 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:11:21,362 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:11:21,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:11:21,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:11:21,470 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 07:11:21,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:11:21,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:11:21,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:11:21,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:11:21,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:11:21,510 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:11:21,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:11:21,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:11:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:11:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:11:21,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:11:21,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:11:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:11:21,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:11:21,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-04-29 07:11:21,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218813135] [2021-04-29 07:11:21,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-04-29 07:11:21,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:11:21,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-04-29 07:11:21,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2021-04-29 07:11:21,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:11:21,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 785 places, 3175 transitions, 163906 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:11:21,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:11:21,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:11:21,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:11:44,762 INFO L129 PetriNetUnfolder]: 3010/6334 cut-off events. [2021-04-29 07:11:44,763 INFO L130 PetriNetUnfolder]: For 1113648/1113648 co-relation queries the response was YES. [2021-04-29 07:11:44,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157593 conditions, 6334 events. 3010/6334 cut-off events. For 1113648/1113648 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 51822 event pairs, 406 based on Foata normal form. 2/6336 useless extension candidates. Maximal degree in co-relation 157302. Up to 4921 conditions per place. [2021-04-29 07:11:44,964 INFO L132 encePairwiseOnDemand]: 29/37 looper letters, 2399 selfloop transitions, 840 changer transitions 9/3252 dead transitions. [2021-04-29 07:11:44,964 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 809 places, 3252 transitions, 174759 flow [2021-04-29 07:11:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 07:11:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 07:11:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 332 transitions. [2021-04-29 07:11:44,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3589189189189189 [2021-04-29 07:11:44,965 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 332 transitions. [2021-04-29 07:11:44,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 332 transitions. [2021-04-29 07:11:44,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:11:44,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 332 transitions. [2021-04-29 07:11:44,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 13.28) internal successors, (332), 25 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:11:44,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:11:44,968 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 37.0) internal successors, (962), 26 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:11:44,968 INFO L185 Difference]: Start difference. First operand has 785 places, 3175 transitions, 163906 flow. Second operand 25 states and 332 transitions. [2021-04-29 07:11:44,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 809 places, 3252 transitions, 174759 flow [2021-04-29 07:11:59,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 3252 transitions, 172206 flow, removed 399 selfloop flow, removed 20 redundant places. [2021-04-29 07:11:59,682 INFO L241 Difference]: Finished difference. Result has 796 places, 3214 transitions, 166088 flow [2021-04-29 07:11:59,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=161377, PETRI_DIFFERENCE_MINUEND_PLACES=765, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=810, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=166088, PETRI_PLACES=796, PETRI_TRANSITIONS=3214} [2021-04-29 07:11:59,684 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 770 predicate places. [2021-04-29 07:11:59,684 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:11:59,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 796 places, 3214 transitions, 166088 flow [2021-04-29 07:11:59,684 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 796 places, 3214 transitions, 166088 flow [2021-04-29 07:11:59,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 794 places, 3214 transitions, 166088 flow [2021-04-29 07:12:09,069 INFO L129 PetriNetUnfolder]: 2888/6133 cut-off events. [2021-04-29 07:12:09,070 INFO L130 PetriNetUnfolder]: For 1023515/1023705 co-relation queries the response was YES. [2021-04-29 07:12:09,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146738 conditions, 6133 events. 2888/6133 cut-off events. For 1023515/1023705 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 50489 event pairs, 317 based on Foata normal form. 52/6181 useless extension candidates. Maximal degree in co-relation 146452. Up to 2290 conditions per place. [2021-04-29 07:12:09,488 INFO L146 LiptonReduction]: Number of co-enabled transitions 258 [2021-04-29 07:12:11,252 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:12:11,252 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:12:11,252 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11568 [2021-04-29 07:12:11,253 INFO L480 AbstractCegarLoop]: Abstraction has has 794 places, 3214 transitions, 166088 flow [2021-04-29 07:12:11,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:12:11,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:12:11,253 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:12:11,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:12:11,459 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:12:11,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:12:11,460 INFO L82 PathProgramCache]: Analyzing trace with hash 703579651, now seen corresponding path program 47 times [2021-04-29 07:12:11,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:12:11,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858875669] [2021-04-29 07:12:11,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:12:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:12:11,481 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:12:11,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:12:11,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:12:11,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:12:11,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:12:11,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:12:11,566 INFO L142 QuantifierPusher]: treesize reduction 41, result has 31.7 percent of original size [2021-04-29 07:12:11,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:12:11,592 INFO L142 QuantifierPusher]: treesize reduction 22, result has 65.1 percent of original size [2021-04-29 07:12:11,593 INFO L147 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size 20 [2021-04-29 07:12:11,613 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-04-29 07:12:11,614 INFO L147 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size 19 [2021-04-29 07:12:11,637 INFO L142 QuantifierPusher]: treesize reduction 20, result has 64.9 percent of original size [2021-04-29 07:12:11,638 INFO L147 QuantifierPusher]: treesize reduction 19, result has 48.6 percent of original size 18 [2021-04-29 07:12:11,667 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-04-29 07:12:11,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:12:11,695 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-04-29 07:12:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:12:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:12:11,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858875669] [2021-04-29 07:12:11,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958735347] [2021-04-29 07:12:11,719 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:12:11,749 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-04-29 07:12:11,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:12:11,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 07:12:11,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:12:11,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,881 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 07:12:11,884 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-04-29 07:12:11,886 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-04-29 07:12:11,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:12:11,958 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 07:12:11,958 INFO L147 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size 15 [2021-04-29 07:12:11,959 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-04-29 07:12:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:12:11,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:12:11,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:12:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:12:11,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:12:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:12:11,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:12:11,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:11,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:11,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:12,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:12:12,037 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:12:12,038 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-04-29 07:12:12,039 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 07:12:12,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:12:12,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:12:12,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:12:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:12:12,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:12:12,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 07:12:12,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:12:12,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:12:12,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 07:12:12,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,112 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:12:12,112 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:12:12,113 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:12:12,254 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 07:12:12,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:12:12,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:12:12,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:12:12,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:12:12,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:12:12,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:12:12,325 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-04-29 07:12:12,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:12:12,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:12:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 07:12:12,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:12:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:12:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 07:12:12,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,334 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-04-29 07:12:12,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:12:12,336 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,339 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.5 percent of original size 69 [2021-04-29 07:12:12,339 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.5 percent of original size [2021-04-29 07:12:12,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-29 07:12:12,457 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 07:12:12,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:12:12,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:12:12,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:12:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:12:12,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,468 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:12:12,469 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:12:12,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:12:12,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:12:12,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:12:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:12:12,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:12:12,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2021-04-29 07:12:12,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24725770] [2021-04-29 07:12:12,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-29 07:12:12,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:12:12,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-29 07:12:12,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2021-04-29 07:12:12,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-04-29 07:12:12,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 3214 transitions, 166088 flow. Second operand has 23 states, 23 states have (on average 11.304347826086957) internal successors, (260), 23 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:12:12,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:12:12,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-04-29 07:12:12,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-04-29 07:12:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 07:12:24,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:12:24,649 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 07:12:24,654 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 07:12:24,655 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 07:12:24 BasicIcfg [2021-04-29 07:12:24,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 07:12:24,656 INFO L168 Benchmark]: Toolchain (without parser) took 814640.11 ms. Allocated memory was 302.0 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 271.0 MB in the beginning and 5.1 GB in the end (delta: -4.8 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.0 GB. [2021-04-29 07:12:24,656 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 07:12:24,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.88 ms. Allocated memory is still 302.0 MB. Free memory was 285.4 MB in the beginning and 284.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 07:12:24,656 INFO L168 Benchmark]: Boogie Preprocessor took 21.04 ms. Allocated memory is still 302.0 MB. Free memory was 284.1 MB in the beginning and 283.2 MB in the end (delta: 901.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 07:12:24,656 INFO L168 Benchmark]: RCFGBuilder took 357.46 ms. Allocated memory is still 302.0 MB. Free memory was 283.0 MB in the beginning and 277.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-04-29 07:12:24,657 INFO L168 Benchmark]: TraceAbstraction took 814159.18 ms. Allocated memory was 302.0 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 277.4 MB in the beginning and 5.1 GB in the end (delta: -4.8 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.0 GB. [2021-04-29 07:12:24,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.88 ms. Allocated memory is still 302.0 MB. Free memory was 285.4 MB in the beginning and 284.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.04 ms. Allocated memory is still 302.0 MB. Free memory was 284.1 MB in the beginning and 283.2 MB in the end (delta: 901.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 357.46 ms. Allocated memory is still 302.0 MB. Free memory was 283.0 MB in the beginning and 277.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 814159.18 ms. Allocated memory was 302.0 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 277.4 MB in the beginning and 5.1 GB in the end (delta: -4.8 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 568.7ms, 25 PlacesBefore, 26 PlacesAfterwards, 20 TransitionsBefore, 21 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 59, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 5, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.8ms, 25 PlacesBefore, 20 PlacesAfterwards, 16 TransitionsBefore, 17 TransitionsAfterwards, 70 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 62 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 7, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 7, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 34, Positive conditional cache size: 34, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.3ms, 22 PlacesBefore, 20 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 16 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 8, Negative conditional cache size: 8, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.0ms, 23 PlacesBefore, 23 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 9, Negative conditional cache size: 9, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.9ms, 28 PlacesBefore, 28 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 44 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 44, Positive conditional cache size: 44, Positive unconditional cache size: 0, Negative cache size: 9, Negative conditional cache size: 9, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.8ms, 48 PlacesBefore, 43 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 483 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 44, Positive conditional cache size: 44, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.5ms, 63 PlacesBefore, 61 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1225 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 105, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 105, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 46, Positive conditional cache size: 46, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 122.1ms, 88 PlacesBefore, 84 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2805 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 715, positive: 660, positive conditional: 660, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 10, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 10, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 43, positive conditional: 39, positive unconditional: 4, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 715, positive: 649, positive conditional: 649, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 57, Positive conditional cache size: 57, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 12, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 131.7ms, 104 PlacesBefore, 101 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4200 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 770, positive: 700, positive conditional: 700, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 770, positive: 692, positive conditional: 692, positive unconditional: 0, negative: 69, negative conditional: 69, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 65, Positive conditional cache size: 65, Positive unconditional cache size: 0, Negative cache size: 13, Negative conditional cache size: 13, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.4ms, 111 PlacesBefore, 108 PlacesAfterwards, 170 TransitionsBefore, 170 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 5994 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 243, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 81, negative conditional: 81, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 243, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.3ms, 138 PlacesBefore, 136 PlacesAfterwards, 215 TransitionsBefore, 215 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 134.4ms, 167 PlacesBefore, 165 PlacesAfterwards, 257 TransitionsBefore, 257 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.8ms, 180 PlacesBefore, 177 PlacesAfterwards, 291 TransitionsBefore, 291 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.5ms, 184 PlacesBefore, 172 PlacesAfterwards, 280 TransitionsBefore, 280 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.3ms, 200 PlacesBefore, 163 PlacesAfterwards, 258 TransitionsBefore, 258 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.4ms, 167 PlacesBefore, 163 PlacesAfterwards, 273 TransitionsBefore, 273 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 107.8ms, 165 PlacesBefore, 159 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.5ms, 184 PlacesBefore, 181 PlacesAfterwards, 359 TransitionsBefore, 359 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.5ms, 214 PlacesBefore, 211 PlacesAfterwards, 471 TransitionsBefore, 471 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 415.0ms, 234 PlacesBefore, 231 PlacesAfterwards, 588 TransitionsBefore, 588 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 524.4ms, 259 PlacesBefore, 256 PlacesAfterwards, 688 TransitionsBefore, 688 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 515.2ms, 265 PlacesBefore, 263 PlacesAfterwards, 715 TransitionsBefore, 715 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 878.4ms, 305 PlacesBefore, 302 PlacesAfterwards, 866 TransitionsBefore, 866 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1154.0ms, 329 PlacesBefore, 326 PlacesAfterwards, 969 TransitionsBefore, 969 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1457.5ms, 350 PlacesBefore, 348 PlacesAfterwards, 1136 TransitionsBefore, 1136 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2299.8ms, 386 PlacesBefore, 384 PlacesAfterwards, 1424 TransitionsBefore, 1424 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2236.6ms, 415 PlacesBefore, 413 PlacesAfterwards, 1469 TransitionsBefore, 1469 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3166.7ms, 426 PlacesBefore, 424 PlacesAfterwards, 1686 TransitionsBefore, 1686 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3582.6ms, 448 PlacesBefore, 446 PlacesAfterwards, 1830 TransitionsBefore, 1830 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3844.6ms, 484 PlacesBefore, 482 PlacesAfterwards, 1863 TransitionsBefore, 1863 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3958.0ms, 498 PlacesBefore, 496 PlacesAfterwards, 1925 TransitionsBefore, 1925 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4502.7ms, 505 PlacesBefore, 503 PlacesAfterwards, 2037 TransitionsBefore, 2037 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4942.3ms, 533 PlacesBefore, 531 PlacesAfterwards, 2196 TransitionsBefore, 2196 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5054.1ms, 551 PlacesBefore, 549 PlacesAfterwards, 2253 TransitionsBefore, 2253 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5357.6ms, 573 PlacesBefore, 571 PlacesAfterwards, 2339 TransitionsBefore, 2339 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5786.8ms, 591 PlacesBefore, 589 PlacesAfterwards, 2387 TransitionsBefore, 2387 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6059.8ms, 592 PlacesBefore, 590 PlacesAfterwards, 2418 TransitionsBefore, 2418 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5875.4ms, 615 PlacesBefore, 613 PlacesAfterwards, 2445 TransitionsBefore, 2445 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5953.9ms, 628 PlacesBefore, 626 PlacesAfterwards, 2474 TransitionsBefore, 2474 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7099.9ms, 647 PlacesBefore, 645 PlacesAfterwards, 2594 TransitionsBefore, 2594 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7230.8ms, 664 PlacesBefore, 662 PlacesAfterwards, 2625 TransitionsBefore, 2625 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6843.5ms, 692 PlacesBefore, 690 PlacesAfterwards, 2645 TransitionsBefore, 2645 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7500.3ms, 695 PlacesBefore, 693 PlacesAfterwards, 2666 TransitionsBefore, 2666 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9395.3ms, 702 PlacesBefore, 700 PlacesAfterwards, 2858 TransitionsBefore, 2858 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9222.6ms, 719 PlacesBefore, 717 PlacesAfterwards, 2883 TransitionsBefore, 2883 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9184.9ms, 730 PlacesBefore, 728 PlacesAfterwards, 2921 TransitionsBefore, 2921 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9251.7ms, 754 PlacesBefore, 752 PlacesAfterwards, 2945 TransitionsBefore, 2945 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9688.8ms, 751 PlacesBefore, 749 PlacesAfterwards, 3018 TransitionsBefore, 3018 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10794.3ms, 764 PlacesBefore, 762 PlacesAfterwards, 3129 TransitionsBefore, 3129 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10870.5ms, 787 PlacesBefore, 785 PlacesAfterwards, 3175 TransitionsBefore, 3175 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11568.4ms, 796 PlacesBefore, 794 PlacesAfterwards, 3214 TransitionsBefore, 3214 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 67, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 55). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (23states, 10/37 universal loopers) in iteration 51,while PetriNetUnfolder was constructing finite prefix that currently has 66097 conditions, 2745 events (1177/2744 cut-off events. For 531402/531402 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 25183 event pairs, 141 based on Foata normal form. 0/3100 useless extension candidates. Maximal degree in co-relation 65834. Up to 1132 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 814061.6ms, OverallIterations: 51, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 591086.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 647.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 150 SDtfs, 1628 SDslu, 123 SDs, 0 SdLazy, 24073 SolverSat, 1774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17242.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1914 GetRequests, 288 SyntacticMatches, 31 SemanticMatches, 1595 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16646 ImplicationChecksByTransitivity, 54815.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=166088occurred in iteration=50, InterpolantAutomatonStates: 1231, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 197.7ms SsaConstructionTime, 640.8ms SatisfiabilityAnalysisTime, 31938.9ms InterpolantComputationTime, 1585 NumberOfCodeBlocks, 1585 NumberOfCodeBlocksAsserted, 164 NumberOfCheckSat, 1486 ConstructedInterpolants, 0 QuantifiedInterpolants, 25675 SizeOfPredicates, 94 NumberOfNonLiveVariables, 1936 ConjunctsInSsa, 906 ConjunctsInUnsatCore, 99 InterpolantComputations, 3 PerfectInterpolantSequences, 41/947 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown