/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/unroll-cond-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 04:38:52,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 04:38:52,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 04:38:52,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 04:38:52,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 04:38:52,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 04:38:52,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 04:38:52,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 04:38:52,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 04:38:52,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 04:38:52,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 04:38:52,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 04:38:52,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 04:38:52,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 04:38:52,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 04:38:52,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 04:38:52,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 04:38:52,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 04:38:52,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 04:38:52,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 04:38:52,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 04:38:52,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 04:38:52,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 04:38:52,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 04:38:52,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 04:38:52,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 04:38:52,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 04:38:52,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 04:38:52,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 04:38:52,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 04:38:52,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 04:38:52,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 04:38:52,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 04:38:52,523 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 04:38:52,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 04:38:52,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 04:38:52,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 04:38:52,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 04:38:52,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 04:38:52,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 04:38:52,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 04:38:52,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 04:38:52,526 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 04:38:52,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 04:38:52,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 04:38:52,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 04:38:52,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 04:38:52,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 04:38:52,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 04:38:52,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 04:38:52,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:38:52,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 04:38:52,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 04:38:52,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 04:38:52,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 04:38:52,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 04:38:52,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 04:38:52,530 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 04:38:52,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 04:38:52,530 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 04:38:52,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 04:38:52,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 04:38:52,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 04:38:52,956 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 04:38:52,957 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 04:38:52,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl [2021-04-29 04:38:52,959 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl' [2021-04-29 04:38:52,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 04:38:53,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 04:38:53,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 04:38:53,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 04:38:53,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 04:38:53,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 04:38:53,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 04:38:53,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 04:38:53,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 04:38:53,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... [2021-04-29 04:38:53,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 04:38:53,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 04:38:53,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 04:38:53,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 04:38:53,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:38:53,255 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 04:38:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 04:38:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 04:38:53,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 04:38:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 04:38:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 04:38:53,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 04:38:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 04:38:53,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 04:38:53,260 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 04:38:53,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 04:38:53,677 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-04-29 04:38:53,678 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-04-29 04:38:53,679 INFO L202 PluginConnector]: Adding new model unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:38:53 BoogieIcfgContainer [2021-04-29 04:38:53,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 04:38:53,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 04:38:53,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 04:38:53,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 04:38:53,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:38:52" (1/2) ... [2021-04-29 04:38:53,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f828a2b and model type unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 04:38:53, skipping insertion in model container [2021-04-29 04:38:53,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:38:53" (2/2) ... [2021-04-29 04:38:53,691 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.bpl [2021-04-29 04:38:53,700 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 04:38:53,706 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 04:38:53,707 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 04:38:53,762 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-04-29 04:38:53,814 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-29 04:38:53,845 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 04:38:53,845 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 04:38:53,845 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 04:38:53,846 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 04:38:53,846 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 04:38:53,846 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 04:38:53,846 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 04:38:53,846 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 04:38:53,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 16 transitions, 48 flow [2021-04-29 04:38:53,884 INFO L129 PetriNetUnfolder]: 2/14 cut-off events. [2021-04-29 04:38:53,884 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 04:38:53,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 14 events. 2/14 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 9. Up to 2 conditions per place. [2021-04-29 04:38:53,888 INFO L82 GeneralOperation]: Start removeDead. Operand has 21 places, 16 transitions, 48 flow [2021-04-29 04:38:53,893 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 17 places, 12 transitions, 36 flow [2021-04-29 04:38:53,895 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:38:53,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 12 transitions, 36 flow [2021-04-29 04:38:53,931 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 17 places, 12 transitions, 36 flow [2021-04-29 04:38:53,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 17 places, 12 transitions, 36 flow [2021-04-29 04:38:53,942 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-04-29 04:38:53,942 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 04:38:53,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21 conditions, 12 events. 2/12 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 8. Up to 2 conditions per place. [2021-04-29 04:38:53,945 INFO L146 LiptonReduction]: Number of co-enabled transitions 22 [2021-04-29 04:38:54,051 INFO L158 LiptonReduction]: Checked pairs total: 3 [2021-04-29 04:38:54,052 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 04:38:54,055 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 161 [2021-04-29 04:38:54,068 INFO L129 PetriNetUnfolder]: 2/10 cut-off events. [2021-04-29 04:38:54,069 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 04:38:54,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:38:54,070 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:38:54,070 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:38:54,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:38:54,077 INFO L82 PathProgramCache]: Analyzing trace with hash -2115427910, now seen corresponding path program 1 times [2021-04-29 04:38:54,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:38:54,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924421124] [2021-04-29 04:38:54,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:38:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:38:54,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:38:54,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:38:54,297 INFO L142 QuantifierPusher]: treesize reduction 15, result has 37.5 percent of original size [2021-04-29 04:38:54,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:38:54,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:54,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:38:54,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924421124] [2021-04-29 04:38:54,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:38:54,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:38:54,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084137980] [2021-04-29 04:38:54,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:38:54,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:38:54,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:38:54,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:38:54,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:38:54,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 12 transitions, 36 flow. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:54,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:38:54,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:38:54,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:38:54,448 INFO L129 PetriNetUnfolder]: 25/58 cut-off events. [2021-04-29 04:38:54,448 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 04:38:54,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 58 events. 25/58 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 163 event pairs, 0 based on Foata normal form. 1/31 useless extension candidates. Maximal degree in co-relation 96. Up to 36 conditions per place. [2021-04-29 04:38:54,451 INFO L132 encePairwiseOnDemand]: 10/18 looper letters, 7 selfloop transitions, 10 changer transitions 6/27 dead transitions. [2021-04-29 04:38:54,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 27 transitions, 112 flow [2021-04-29 04:38:54,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:38:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:38:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 70 transitions. [2021-04-29 04:38:54,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-04-29 04:38:54,466 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 70 transitions. [2021-04-29 04:38:54,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 70 transitions. [2021-04-29 04:38:54,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:38:54,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 70 transitions. [2021-04-29 04:38:54,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:54,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:54,479 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:54,481 INFO L185 Difference]: Start difference. First operand has 17 places, 12 transitions, 36 flow. Second operand 5 states and 70 transitions. [2021-04-29 04:38:54,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 27 transitions, 112 flow [2021-04-29 04:38:54,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 27 transitions, 104 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 04:38:54,488 INFO L241 Difference]: Finished difference. Result has 19 places, 19 transitions, 81 flow [2021-04-29 04:38:54,491 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=81, PETRI_PLACES=19, PETRI_TRANSITIONS=19} [2021-04-29 04:38:54,492 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 2 predicate places. [2021-04-29 04:38:54,492 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:38:54,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 19 places, 19 transitions, 81 flow [2021-04-29 04:38:54,493 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 19 transitions, 81 flow [2021-04-29 04:38:54,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 17 places, 19 transitions, 81 flow [2021-04-29 04:38:54,504 INFO L129 PetriNetUnfolder]: 14/40 cut-off events. [2021-04-29 04:38:54,504 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 04:38:54,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 40 events. 14/40 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 105 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 62. Up to 17 conditions per place. [2021-04-29 04:38:54,506 INFO L146 LiptonReduction]: Number of co-enabled transitions 26 [2021-04-29 04:38:54,508 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:38:54,509 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:38:54,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-29 04:38:54,510 INFO L480 AbstractCegarLoop]: Abstraction has has 17 places, 19 transitions, 81 flow [2021-04-29 04:38:54,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:54,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:38:54,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:38:54,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 04:38:54,516 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:38:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:38:54,517 INFO L82 PathProgramCache]: Analyzing trace with hash -2125258940, now seen corresponding path program 2 times [2021-04-29 04:38:54,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:38:54,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411289096] [2021-04-29 04:38:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:38:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:38:54,561 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:38:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:38:54,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:54,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:38:54,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:54,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:38:54,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411289096] [2021-04-29 04:38:54,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:38:54,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:38:54,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104432837] [2021-04-29 04:38:54,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:38:54,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:38:54,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:38:54,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:38:54,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:38:54,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 19 transitions, 81 flow. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:54,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:38:54,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:38:54,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:38:54,643 INFO L129 PetriNetUnfolder]: 15/38 cut-off events. [2021-04-29 04:38:54,643 INFO L130 PetriNetUnfolder]: For 16/21 co-relation queries the response was YES. [2021-04-29 04:38:54,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 38 events. 15/38 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 89 event pairs, 2 based on Foata normal form. 4/35 useless extension candidates. Maximal degree in co-relation 89. Up to 27 conditions per place. [2021-04-29 04:38:54,645 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 11 selfloop transitions, 4 changer transitions 2/21 dead transitions. [2021-04-29 04:38:54,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 21 transitions, 124 flow [2021-04-29 04:38:54,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 04:38:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 04:38:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2021-04-29 04:38:54,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6805555555555556 [2021-04-29 04:38:54,647 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 49 transitions. [2021-04-29 04:38:54,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 49 transitions. [2021-04-29 04:38:54,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:38:54,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 49 transitions. [2021-04-29 04:38:54,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:54,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 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 04:38:54,650 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 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 04:38:54,650 INFO L185 Difference]: Start difference. First operand has 17 places, 19 transitions, 81 flow. Second operand 4 states and 49 transitions. [2021-04-29 04:38:54,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 21 transitions, 124 flow [2021-04-29 04:38:54,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 21 transitions, 124 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 04:38:54,653 INFO L241 Difference]: Finished difference. Result has 22 places, 19 transitions, 97 flow [2021-04-29 04:38:54,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=97, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2021-04-29 04:38:54,654 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 5 predicate places. [2021-04-29 04:38:54,654 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:38:54,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 19 transitions, 97 flow [2021-04-29 04:38:54,655 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 19 transitions, 97 flow [2021-04-29 04:38:54,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 19 transitions, 97 flow [2021-04-29 04:38:54,663 INFO L129 PetriNetUnfolder]: 12/32 cut-off events. [2021-04-29 04:38:54,663 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 04:38:54,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 32 events. 12/32 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 68 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 73. Up to 15 conditions per place. [2021-04-29 04:38:54,664 INFO L146 LiptonReduction]: Number of co-enabled transitions 18 [2021-04-29 04:38:54,667 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:38:54,667 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:38:54,667 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-04-29 04:38:54,669 INFO L480 AbstractCegarLoop]: Abstraction has has 21 places, 19 transitions, 97 flow [2021-04-29 04:38:54,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:54,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:38:54,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:38:54,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 04:38:54,670 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:38:54,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:38:54,671 INFO L82 PathProgramCache]: Analyzing trace with hash 27781828, now seen corresponding path program 1 times [2021-04-29 04:38:54,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:38:54,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325473821] [2021-04-29 04:38:54,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:38:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:38:54,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:38:54,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:38:56,442 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 5555 DAG size of output: 63 [2021-04-29 04:38:56,444 INFO L142 QuantifierPusher]: treesize reduction 2096262, result has 0.0 percent of original size [2021-04-29 04:38:56,448 INFO L147 QuantifierPusher]: treesize reduction 18, result has 92.3 percent of original size 217 [2021-04-29 04:38:56,637 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2021-04-29 04:38:57,471 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 5553 DAG size of output: 12 [2021-04-29 04:38:57,472 INFO L142 QuantifierPusher]: treesize reduction 2096481, result has 0.0 percent of original size [2021-04-29 04:38:57,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:38:57,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:38:57,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325473821] [2021-04-29 04:38:57,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276442653] [2021-04-29 04:38:57,492 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 04:38:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:38:57,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-29 04:38:57,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:38:57,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:38:57,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:38:57,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:38:57,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:38:57,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:38:57,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:38:57,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:38:57,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:38:57,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,603 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:38:57,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:38:57,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:38:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:38:57,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:38:57,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:38:57,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-04-29 04:38:57,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:38:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-04-29 04:38:57,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 282 [2021-04-29 04:38:59,153 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 2125 DAG size of output: 13 [2021-04-29 04:38:59,155 INFO L142 QuantifierPusher]: treesize reduction 2228209, result has 0.0 percent of original size [2021-04-29 04:38:59,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:38:59,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:38:59,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:38:59,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-29 04:38:59,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 04:38:59,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 04:38:59,197 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-04-29 04:38:59,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:38:59,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:38:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:38:59,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:38:59,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:38:59,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260999135] [2021-04-29 04:38:59,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:38:59,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:38:59,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:38:59,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:38:59,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:38:59,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 19 transitions, 97 flow. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 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 04:38:59,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:38:59,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:38:59,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:38:59,301 INFO L129 PetriNetUnfolder]: 18/43 cut-off events. [2021-04-29 04:38:59,301 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-04-29 04:38:59,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 43 events. 18/43 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 100 event pairs, 0 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 125. Up to 29 conditions per place. [2021-04-29 04:38:59,304 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 11 selfloop transitions, 7 changer transitions 2/24 dead transitions. [2021-04-29 04:38:59,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 24 transitions, 159 flow [2021-04-29 04:38:59,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:38:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:38:59,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2021-04-29 04:38:59,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6481481481481481 [2021-04-29 04:38:59,309 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 70 transitions. [2021-04-29 04:38:59,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 70 transitions. [2021-04-29 04:38:59,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:38:59,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 70 transitions. [2021-04-29 04:38:59,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:59,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:59,315 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:38:59,315 INFO L185 Difference]: Start difference. First operand has 21 places, 19 transitions, 97 flow. Second operand 6 states and 70 transitions. [2021-04-29 04:38:59,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 24 transitions, 159 flow [2021-04-29 04:38:59,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 24 transitions, 147 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-29 04:38:59,320 INFO L241 Difference]: Finished difference. Result has 26 places, 22 transitions, 129 flow [2021-04-29 04:38:59,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=129, PETRI_PLACES=26, PETRI_TRANSITIONS=22} [2021-04-29 04:38:59,321 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 9 predicate places. [2021-04-29 04:38:59,321 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:38:59,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 22 transitions, 129 flow [2021-04-29 04:38:59,322 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 22 transitions, 129 flow [2021-04-29 04:38:59,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 22 transitions, 129 flow [2021-04-29 04:38:59,339 INFO L129 PetriNetUnfolder]: 18/39 cut-off events. [2021-04-29 04:38:59,339 INFO L130 PetriNetUnfolder]: For 30/31 co-relation queries the response was YES. [2021-04-29 04:38:59,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 39 events. 18/39 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 73 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 113. Up to 22 conditions per place. [2021-04-29 04:38:59,340 INFO L146 LiptonReduction]: Number of co-enabled transitions 16 [2021-04-29 04:38:59,344 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:38:59,344 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:38:59,345 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-04-29 04:38:59,348 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 22 transitions, 129 flow [2021-04-29 04:38:59,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 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 04:38:59,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:38:59,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:38:59,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-04-29 04:38:59,564 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:38:59,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:38:59,565 INFO L82 PathProgramCache]: Analyzing trace with hash 231552268, now seen corresponding path program 2 times [2021-04-29 04:38:59,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:38:59,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693303781] [2021-04-29 04:38:59,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:38:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:38:59,615 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:38:59,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:39:00,617 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 5498 DAG size of output: 55 [2021-04-29 04:39:00,619 INFO L142 QuantifierPusher]: treesize reduction 2095112, result has 0.0 percent of original size [2021-04-29 04:39:00,622 INFO L147 QuantifierPusher]: treesize reduction 30, result has 82.0 percent of original size 137 [2021-04-29 04:39:00,741 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-04-29 04:39:00,743 INFO L142 QuantifierPusher]: treesize reduction 10, result has 47.4 percent of original size [2021-04-29 04:39:00,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:39:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:39:00,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693303781] [2021-04-29 04:39:00,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748219291] [2021-04-29 04:39:00,761 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 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 04:39:00,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:39:00,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:39:00,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-29 04:39:00,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:39:00,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:00,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:00,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:00,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:00,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:00,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:00,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:00,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:00,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:39:00,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:39:00,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:39:00,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:39:00,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:39:00,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:39:00,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:39:00,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:39:00,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-04-29 04:39:00,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:00,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-04-29 04:39:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-04-29 04:39:01,930 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 2127 DAG size of output: 55 [2021-04-29 04:39:01,930 INFO L142 QuantifierPusher]: treesize reduction 2228085, result has 0.0 percent of original size [2021-04-29 04:39:01,932 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:39:01,944 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,947 INFO L142 QuantifierPusher]: treesize reduction 70, result has 50.4 percent of original size [2021-04-29 04:39:01,951 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:39:01,958 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:01,965 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:39:01,968 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:39:01,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:39:01,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:39:01,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:39:01,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-29 04:39:01,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:39:01,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:01,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:39:01,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-29 04:39:01,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:01,989 INFO L142 QuantifierPusher]: treesize reduction 70, result has 48.1 percent of original size [2021-04-29 04:39:01,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-29 04:39:01,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-29 04:39:02,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-29 04:39:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 04:39:02,035 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 37 [2021-04-29 04:39:02,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,040 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:39:02,042 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,044 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-04-29 04:39:02,045 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:39:02,047 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,054 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:39:02,056 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:39:02,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:39:02,061 INFO L147 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size 8 [2021-04-29 04:39:02,062 INFO L147 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size 8 [2021-04-29 04:39:02,063 INFO L142 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size [2021-04-29 04:39:02,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:39:02,063 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-04-29 04:39:02,075 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 18 [2021-04-29 04:39:02,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:39:02,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:39:02,078 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-04-29 04:39:02,110 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 17 treesize of output 64 [2021-04-29 04:39:02,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,121 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 04:39:02,123 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,125 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-04-29 04:39:02,127 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 04:39:02,129 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,131 INFO L142 QuantifierPusher]: treesize reduction 9, result has 86.8 percent of original size [2021-04-29 04:39:02,133 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:39:02,134 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,138 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:39:02,139 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:39:02,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:39:02,147 INFO L147 QuantifierPusher]: treesize reduction 8, result has 81.8 percent of original size 36 [2021-04-29 04:39:02,149 INFO L147 QuantifierPusher]: treesize reduction 8, result has 87.5 percent of original size 56 [2021-04-29 04:39:02,151 INFO L147 QuantifierPusher]: treesize reduction 8, result has 87.5 percent of original size 56 [2021-04-29 04:39:02,152 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-04-29 04:39:02,154 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,156 INFO L142 QuantifierPusher]: treesize reduction 16, result has 82.4 percent of original size [2021-04-29 04:39:02,157 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:39:02,159 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-04-29 04:39:02,162 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:39:02,164 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:39:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:39:02,170 INFO L147 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size 8 [2021-04-29 04:39:02,171 INFO L147 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size 8 [2021-04-29 04:39:02,172 INFO L142 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size [2021-04-29 04:39:02,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:39:02,173 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-04-29 04:39:02,255 INFO L628 ElimStorePlain]: treesize reduction 61, result has 26.5 percent of original size [2021-04-29 04:39:02,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:39:02,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-29 04:39:02,257 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:108, output treesize:22 [2021-04-29 04:39:02,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:39:02,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:39:02,287 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-04-29 04:39:02,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:39:02,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:39:02,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:39:02,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,295 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:39:02,298 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:39:02,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:39:02,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:39:02,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:39:02,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065973558] [2021-04-29 04:39:02,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:39:02,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:39:02,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:39:02,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:39:02,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:39:02,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 22 transitions, 129 flow. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 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 04:39:02,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:39:02,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:39:02,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:39:02,450 INFO L129 PetriNetUnfolder]: 21/49 cut-off events. [2021-04-29 04:39:02,450 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-04-29 04:39:02,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 49 events. 21/49 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 110 event pairs, 0 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 182. Up to 29 conditions per place. [2021-04-29 04:39:02,451 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 5 selfloop transitions, 19 changer transitions 0/28 dead transitions. [2021-04-29 04:39:02,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 223 flow [2021-04-29 04:39:02,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:39:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:39:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 97 transitions. [2021-04-29 04:39:02,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6736111111111112 [2021-04-29 04:39:02,453 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 97 transitions. [2021-04-29 04:39:02,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 97 transitions. [2021-04-29 04:39:02,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:39:02,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 97 transitions. [2021-04-29 04:39:02,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:39:02,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:39:02,456 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:39:02,456 INFO L185 Difference]: Start difference. First operand has 24 places, 22 transitions, 129 flow. Second operand 8 states and 97 transitions. [2021-04-29 04:39:02,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 223 flow [2021-04-29 04:39:02,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 28 transitions, 191 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-04-29 04:39:02,459 INFO L241 Difference]: Finished difference. Result has 29 places, 28 transitions, 200 flow [2021-04-29 04:39:02,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=200, PETRI_PLACES=29, PETRI_TRANSITIONS=28} [2021-04-29 04:39:02,459 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 12 predicate places. [2021-04-29 04:39:02,460 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:39:02,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 28 transitions, 200 flow [2021-04-29 04:39:02,460 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 28 transitions, 200 flow [2021-04-29 04:39:02,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions, 200 flow [2021-04-29 04:39:02,467 INFO L129 PetriNetUnfolder]: 22/50 cut-off events. [2021-04-29 04:39:02,467 INFO L130 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2021-04-29 04:39:02,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 50 events. 22/50 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 116 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 152. Up to 26 conditions per place. [2021-04-29 04:39:02,468 INFO L146 LiptonReduction]: Number of co-enabled transitions 20 [2021-04-29 04:39:02,472 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:39:02,472 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:39:02,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-04-29 04:39:02,473 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 28 transitions, 200 flow [2021-04-29 04:39:02,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 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 04:39:02,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:39:02,473 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:39:02,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:39:02,688 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:39:02,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:39:02,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1154918524, now seen corresponding path program 3 times [2021-04-29 04:39:02,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:39:02,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202514569] [2021-04-29 04:39:02,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:39:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:39:02,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:39:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:39:02,728 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-04-29 04:39:02,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:39:02,738 INFO L142 QuantifierPusher]: treesize reduction 10, result has 47.4 percent of original size [2021-04-29 04:39:02,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:39:02,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:39:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:39:02,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202514569] [2021-04-29 04:39:02,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550807914] [2021-04-29 04:39:02,754 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 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 04:39:02,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 04:39:02,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:39:02,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-29 04:39:02,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:39:02,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:39:02,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-04-29 04:39:02,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:39:02,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-04-29 04:42:48,675 WARN L205 SmtUtils]: Spent 3.74 m on a formula simplification. DAG size of input: 112621 DAG size of output: 53 [2021-04-29 04:42:48,676 INFO L142 QuantifierPusher]: treesize reduction 700448615, result has 0.0 percent of original size [2021-04-29 04:42:48,683 INFO L147 QuantifierPusher]: treesize reduction 56, result has 61.6 percent of original size 90 [2021-04-29 04:42:48,690 INFO L142 QuantifierPusher]: treesize reduction 56, result has 61.6 percent of original size [2021-04-29 04:42:48,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-29 04:42:48,741 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.5 percent of original size [2021-04-29 04:42:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-29 04:42:48,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-29 04:42:48,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-29 04:42:48,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,749 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,752 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,754 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,757 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:48,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:42:48,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:42:48,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:42:48,764 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,767 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:42:48,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:48,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:42:48,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:42:48,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-29 04:42:48,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-29 04:42:48,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-29 04:42:48,803 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 37 [2021-04-29 04:42:48,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,806 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:48,808 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,811 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-04-29 04:42:48,812 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,813 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:48,818 INFO L147 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size 8 [2021-04-29 04:42:48,819 INFO L147 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size 8 [2021-04-29 04:42:48,819 INFO L142 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size [2021-04-29 04:42:48,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:42:48,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 04:42:48,831 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 18 [2021-04-29 04:42:48,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:42:48,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:42:48,835 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-04-29 04:42:48,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-29 04:42:48,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:48,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:48,842 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-04-29 04:42:48,870 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 17 treesize of output 64 [2021-04-29 04:42:48,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,875 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 04:42:48,877 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,878 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-04-29 04:42:48,879 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:42:48,881 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,884 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.7 percent of original size [2021-04-29 04:42:48,885 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:48,886 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,888 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:48,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,892 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:48,895 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:48,899 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,901 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:48,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:48,905 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,906 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,908 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,909 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:48,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:48,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:42:48,915 INFO L147 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size 43 [2021-04-29 04:42:48,916 INFO L147 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size 43 [2021-04-29 04:42:48,917 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,918 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,920 INFO L142 QuantifierPusher]: treesize reduction 65, result has 50.0 percent of original size [2021-04-29 04:42:48,921 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:48,922 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:48,925 INFO L147 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size 8 [2021-04-29 04:42:48,926 INFO L147 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size 8 [2021-04-29 04:42:48,926 INFO L142 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size [2021-04-29 04:42:48,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:42:48,927 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-04-29 04:42:49,004 INFO L628 ElimStorePlain]: treesize reduction 58, result has 27.5 percent of original size [2021-04-29 04:42:49,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:42:49,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-29 04:42:49,006 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:105, output treesize:22 [2021-04-29 04:42:49,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:42:49,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:42:49,034 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-04-29 04:42:49,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:42:49,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:49,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:42:49,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:42:49,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,041 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:49,042 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:49,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:49,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:42:49,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:42:49,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442094712] [2021-04-29 04:42:49,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:42:49,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:42:49,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:42:49,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:42:49,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:42:49,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 28 transitions, 200 flow. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 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 04:42:49,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:42:49,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:42:49,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:42:49,351 INFO L129 PetriNetUnfolder]: 26/69 cut-off events. [2021-04-29 04:42:49,352 INFO L130 PetriNetUnfolder]: For 104/106 co-relation queries the response was YES. [2021-04-29 04:42:49,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 69 events. 26/69 cut-off events. For 104/106 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 225 event pairs, 0 based on Foata normal form. 4/60 useless extension candidates. Maximal degree in co-relation 252. Up to 38 conditions per place. [2021-04-29 04:42:49,353 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 11 selfloop transitions, 24 changer transitions 2/41 dead transitions. [2021-04-29 04:42:49,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 41 transitions, 377 flow [2021-04-29 04:42:49,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:42:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:42:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 127 transitions. [2021-04-29 04:42:49,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6414141414141414 [2021-04-29 04:42:49,355 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 127 transitions. [2021-04-29 04:42:49,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 127 transitions. [2021-04-29 04:42:49,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:42:49,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 127 transitions. [2021-04-29 04:42:49,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 11.545454545454545) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:49,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 18.0) internal successors, (216), 12 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 04:42:49,358 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 18.0) internal successors, (216), 12 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 04:42:49,358 INFO L185 Difference]: Start difference. First operand has 29 places, 28 transitions, 200 flow. Second operand 11 states and 127 transitions. [2021-04-29 04:42:49,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 41 transitions, 377 flow [2021-04-29 04:42:49,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 329 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-04-29 04:42:49,363 INFO L241 Difference]: Finished difference. Result has 37 places, 38 transitions, 297 flow [2021-04-29 04:42:49,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=297, PETRI_PLACES=37, PETRI_TRANSITIONS=38} [2021-04-29 04:42:49,363 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 20 predicate places. [2021-04-29 04:42:49,363 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:42:49,363 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 38 transitions, 297 flow [2021-04-29 04:42:49,364 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 38 transitions, 297 flow [2021-04-29 04:42:49,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 38 transitions, 297 flow [2021-04-29 04:42:49,372 INFO L129 PetriNetUnfolder]: 26/62 cut-off events. [2021-04-29 04:42:49,372 INFO L130 PetriNetUnfolder]: For 95/95 co-relation queries the response was YES. [2021-04-29 04:42:49,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 62 events. 26/62 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 176 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 231. Up to 29 conditions per place. [2021-04-29 04:42:49,373 INFO L146 LiptonReduction]: Number of co-enabled transitions 28 [2021-04-29 04:42:49,378 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:42:49,378 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:42:49,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 04:42:49,379 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 297 flow [2021-04-29 04:42:49,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 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 04:42:49,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:42:49,379 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:42:49,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:42:49,587 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:42:49,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:42:49,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1401498631, now seen corresponding path program 1 times [2021-04-29 04:42:49,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:42:49,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710300307] [2021-04-29 04:42:49,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:42:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:42:49,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:42:49,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:49,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:49,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710300307] [2021-04-29 04:42:49,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194283095] [2021-04-29 04:42:49,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-04-29 04:42:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:42:49,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2021-04-29 04:42:49,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:42:49,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:42:49,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:49,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:49,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:42:49,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:49,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:49,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:42:49,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:49,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:49,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:49,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:49,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:49,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:49,679 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:42:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:49,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:49,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:42:49,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-04-29 04:42:49,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408529219] [2021-04-29 04:42:49,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:42:49,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:42:49,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:42:49,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:42:49,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 18 [2021-04-29 04:42:49,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 297 flow. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:49,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:42:49,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 18 [2021-04-29 04:42:49,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:42:49,739 INFO L129 PetriNetUnfolder]: 26/63 cut-off events. [2021-04-29 04:42:49,739 INFO L130 PetriNetUnfolder]: For 139/139 co-relation queries the response was YES. [2021-04-29 04:42:49,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 63 events. 26/63 cut-off events. For 139/139 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 178 event pairs, 0 based on Foata normal form. 3/53 useless extension candidates. Maximal degree in co-relation 283. Up to 42 conditions per place. [2021-04-29 04:42:49,741 INFO L132 encePairwiseOnDemand]: 13/18 looper letters, 26 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2021-04-29 04:42:49,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 366 flow [2021-04-29 04:42:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:42:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:42:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2021-04-29 04:42:49,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7555555555555555 [2021-04-29 04:42:49,742 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 68 transitions. [2021-04-29 04:42:49,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 68 transitions. [2021-04-29 04:42:49,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:42:49,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 68 transitions. [2021-04-29 04:42:49,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:49,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:49,744 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:49,744 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 297 flow. Second operand 5 states and 68 transitions. [2021-04-29 04:42:49,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 366 flow [2021-04-29 04:42:49,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 38 transitions, 262 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-04-29 04:42:49,749 INFO L241 Difference]: Finished difference. Result has 32 places, 36 transitions, 201 flow [2021-04-29 04:42:49,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=201, PETRI_PLACES=32, PETRI_TRANSITIONS=36} [2021-04-29 04:42:49,749 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 15 predicate places. [2021-04-29 04:42:49,749 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:42:49,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 36 transitions, 201 flow [2021-04-29 04:42:49,750 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 36 transitions, 201 flow [2021-04-29 04:42:49,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 36 transitions, 201 flow [2021-04-29 04:42:49,756 INFO L129 PetriNetUnfolder]: 25/62 cut-off events. [2021-04-29 04:42:49,756 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-04-29 04:42:49,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 62 events. 25/62 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 181 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 159. Up to 27 conditions per place. [2021-04-29 04:42:49,757 INFO L146 LiptonReduction]: Number of co-enabled transitions 24 [2021-04-29 04:42:49,761 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:42:49,762 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:42:49,762 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-04-29 04:42:49,762 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 36 transitions, 201 flow [2021-04-29 04:42:49,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:49,763 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:42:49,763 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:42:49,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:42:49,970 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:42:49,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:42:49,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1134508898, now seen corresponding path program 4 times [2021-04-29 04:42:49,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:42:49,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655524513] [2021-04-29 04:42:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:42:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:42:50,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:42:50,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:42:50,543 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 51 [2021-04-29 04:42:50,543 INFO L142 QuantifierPusher]: treesize reduction 1311779, result has 0.0 percent of original size [2021-04-29 04:42:50,545 INFO L147 QuantifierPusher]: treesize reduction 17, result has 89.0 percent of original size 138 [2021-04-29 04:42:50,698 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2021-04-29 04:42:50,700 INFO L142 QuantifierPusher]: treesize reduction 5, result has 73.7 percent of original size [2021-04-29 04:42:50,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:42:50,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-04-29 04:42:50,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:50,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:50,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655524513] [2021-04-29 04:42:50,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850814536] [2021-04-29 04:42:50,737 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 04:42:50,767 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:42:50,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:42:50,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 04:42:50,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:42:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:50,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:42:50,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:42:50,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:42:50,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:42:50,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2021-04-29 04:42:50,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2021-04-29 04:42:51,825 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 41 [2021-04-29 04:42:51,826 INFO L142 QuantifierPusher]: treesize reduction 2228143, result has 0.0 percent of original size [2021-04-29 04:42:51,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-29 04:42:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-29 04:42:51,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,891 INFO L147 QuantifierPusher]: treesize reduction 26, result has 69.4 percent of original size 59 [2021-04-29 04:42:51,892 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.8 percent of original size [2021-04-29 04:42:51,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:42:51,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-29 04:42:51,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,896 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:51,898 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:42:51,908 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:51,909 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:42:51,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:51,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:42:51,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:42:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 04:42:51,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:42:51,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-29 04:42:51,941 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 37 [2021-04-29 04:42:51,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,944 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:51,947 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,949 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:51,951 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,953 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-04-29 04:42:51,954 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:51,956 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:51,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:51,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:42:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:42:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:42:51,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-04-29 04:42:52,008 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 19 treesize of output 64 [2021-04-29 04:42:52,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,016 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 04:42:52,017 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,018 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-04-29 04:42:52,020 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:42:52,021 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,022 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.3 percent of original size [2021-04-29 04:42:52,022 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:52,023 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,025 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:52,026 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,028 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:52,029 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:52,032 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:52,033 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:42:52,036 INFO L147 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size 22 [2021-04-29 04:42:52,037 INFO L147 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size 34 [2021-04-29 04:42:52,038 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:52,039 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,040 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:52,042 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:52,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:52,047 INFO L147 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size 39 [2021-04-29 04:42:52,048 INFO L147 QuantifierPusher]: treesize reduction 32, result has 63.2 percent of original size 55 [2021-04-29 04:42:52,048 INFO L147 QuantifierPusher]: treesize reduction 32, result has 63.2 percent of original size 55 [2021-04-29 04:42:52,049 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:52,050 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,052 INFO L142 QuantifierPusher]: treesize reduction 36, result has 65.7 percent of original size [2021-04-29 04:42:52,053 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:52,054 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,055 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-04-29 04:42:52,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:42:52,057 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:52,058 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,059 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:52,060 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,061 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-04-29 04:42:52,062 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:52,063 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:52,065 INFO L147 QuantifierPusher]: treesize reduction 15, result has 21.1 percent of original size 4 [2021-04-29 04:42:52,065 INFO L147 QuantifierPusher]: treesize reduction 19, result has 47.2 percent of original size 17 [2021-04-29 04:42:52,066 INFO L147 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size 8 [2021-04-29 04:42:52,067 INFO L147 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size 8 [2021-04-29 04:42:52,068 INFO L142 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size [2021-04-29 04:42:52,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:42:52,068 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-04-29 04:42:52,086 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-04-29 04:42:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,089 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-04-29 04:42:52,169 INFO L628 ElimStorePlain]: treesize reduction 28, result has 53.3 percent of original size [2021-04-29 04:42:52,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 04:42:52,171 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-04-29 04:42:52,171 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:85, output treesize:32 [2021-04-29 04:42:52,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 04:42:52,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 04:42:52,210 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 04:42:52,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 04:42:52,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 04:42:52,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:42:52,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,216 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-04-29 04:42:52,220 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:52,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:52,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:52,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:42:52,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 04:42:52,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770309555] [2021-04-29 04:42:52,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:42:52,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:42:52,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:42:52,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:42:52,232 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:42:52,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 36 transitions, 201 flow. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:52,233 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:42:52,233 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:42:52,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:42:52,517 INFO L129 PetriNetUnfolder]: 30/82 cut-off events. [2021-04-29 04:42:52,518 INFO L130 PetriNetUnfolder]: For 85/88 co-relation queries the response was YES. [2021-04-29 04:42:52,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 82 events. 30/82 cut-off events. For 85/88 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 283 event pairs, 0 based on Foata normal form. 5/67 useless extension candidates. Maximal degree in co-relation 278. Up to 36 conditions per place. [2021-04-29 04:42:52,519 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 7 selfloop transitions, 37 changer transitions 3/51 dead transitions. [2021-04-29 04:42:52,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 51 transitions, 403 flow [2021-04-29 04:42:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:42:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:42:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 133 transitions. [2021-04-29 04:42:52,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6717171717171717 [2021-04-29 04:42:52,521 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 133 transitions. [2021-04-29 04:42:52,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 133 transitions. [2021-04-29 04:42:52,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:42:52,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 133 transitions. [2021-04-29 04:42:52,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.090909090909092) internal successors, (133), 11 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:52,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 18.0) internal successors, (216), 12 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 04:42:52,524 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 18.0) internal successors, (216), 12 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 04:42:52,524 INFO L185 Difference]: Start difference. First operand has 32 places, 36 transitions, 201 flow. Second operand 11 states and 133 transitions. [2021-04-29 04:42:52,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 51 transitions, 403 flow [2021-04-29 04:42:52,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 388 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-29 04:42:52,528 INFO L241 Difference]: Finished difference. Result has 42 places, 47 transitions, 373 flow [2021-04-29 04:42:52,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=373, PETRI_PLACES=42, PETRI_TRANSITIONS=47} [2021-04-29 04:42:52,528 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 25 predicate places. [2021-04-29 04:42:52,528 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:42:52,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 47 transitions, 373 flow [2021-04-29 04:42:52,529 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 47 transitions, 373 flow [2021-04-29 04:42:52,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 47 transitions, 373 flow [2021-04-29 04:42:52,538 INFO L129 PetriNetUnfolder]: 29/71 cut-off events. [2021-04-29 04:42:52,538 INFO L130 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2021-04-29 04:42:52,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 71 events. 29/71 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 209 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 261. Up to 36 conditions per place. [2021-04-29 04:42:52,539 INFO L146 LiptonReduction]: Number of co-enabled transitions 32 [2021-04-29 04:42:52,546 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:42:52,546 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:42:52,546 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-04-29 04:42:52,547 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 47 transitions, 373 flow [2021-04-29 04:42:52,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:52,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:42:52,547 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:42:52,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-04-29 04:42:52,762 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:42:52,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:42:52,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1745444598, now seen corresponding path program 5 times [2021-04-29 04:42:52,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:42:52,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539526581] [2021-04-29 04:42:52,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:42:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:42:52,822 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:42:52,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:42:53,794 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 2888 DAG size of output: 58 [2021-04-29 04:42:53,795 INFO L142 QuantifierPusher]: treesize reduction 2622962, result has 0.0 percent of original size [2021-04-29 04:42:53,796 INFO L147 QuantifierPusher]: treesize reduction 10, result has 95.9 percent of original size 231 [2021-04-29 04:42:54,102 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2021-04-29 04:42:55,974 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 7770 DAG size of output: 63 [2021-04-29 04:42:55,975 INFO L142 QuantifierPusher]: treesize reduction 5172355, result has 0.0 percent of original size [2021-04-29 04:42:55,977 INFO L147 QuantifierPusher]: treesize reduction 132, result has 63.9 percent of original size 234 [2021-04-29 04:42:56,282 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-04-29 04:42:56,283 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-04-29 04:42:56,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:56,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:56,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539526581] [2021-04-29 04:42:56,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861355893] [2021-04-29 04:42:56,308 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) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:42:56,333 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:42:56,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:42:56,334 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 04:42:56,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:42:56,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:56,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:56,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:56,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:56,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:56,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:42:56,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:56,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:56,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:56,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:56,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:56,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:56,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:56,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:56,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:42:56,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:42:56,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:42:56,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:42:56,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-04-29 04:42:56,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:56,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:56,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-04-29 04:42:56,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-04-29 04:42:57,367 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 2127 DAG size of output: 32 [2021-04-29 04:42:57,367 INFO L142 QuantifierPusher]: treesize reduction 2228169, result has 0.0 percent of original size [2021-04-29 04:42:57,368 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:57,370 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:42:57,376 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:57,377 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:42:57,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:57,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:42:57,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:42:57,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-29 04:42:57,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:42:57,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-29 04:42:57,412 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 37 [2021-04-29 04:42:57,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,415 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:57,419 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,420 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-04-29 04:42:57,421 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:57,423 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,424 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:57,424 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:42:57,427 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:57,429 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:57,431 INFO L147 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size 22 [2021-04-29 04:42:57,432 INFO L147 QuantifierPusher]: treesize reduction 27, result has 30.8 percent of original size 12 [2021-04-29 04:42:57,433 INFO L147 QuantifierPusher]: treesize reduction 27, result has 30.8 percent of original size 12 [2021-04-29 04:42:57,433 INFO L142 QuantifierPusher]: treesize reduction 27, result has 30.8 percent of original size [2021-04-29 04:42:57,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:42:57,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-04-29 04:42:57,477 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 19 treesize of output 64 [2021-04-29 04:42:57,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,482 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 04:42:57,483 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,486 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:42:57,489 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,490 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.3 percent of original size [2021-04-29 04:42:57,490 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:57,491 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,492 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-04-29 04:42:57,493 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:57,494 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:57,496 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:57,497 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:42:57,500 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-29 04:42:57,500 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:42:57,501 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,502 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-04-29 04:42:57,503 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:57,504 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:57,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:42:57,509 INFO L147 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size 24 [2021-04-29 04:42:57,510 INFO L147 QuantifierPusher]: treesize reduction 22, result has 72.8 percent of original size 59 [2021-04-29 04:42:57,511 INFO L147 QuantifierPusher]: treesize reduction 22, result has 72.8 percent of original size 59 [2021-04-29 04:42:57,512 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:57,512 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,514 INFO L142 QuantifierPusher]: treesize reduction 97, result has 44.3 percent of original size [2021-04-29 04:42:57,515 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:42:57,516 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,517 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size [2021-04-29 04:42:57,519 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:42:57,520 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 04:42:57,522 INFO L147 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size 8 [2021-04-29 04:42:57,522 INFO L147 QuantifierPusher]: treesize reduction 22, result has 26.7 percent of original size 8 [2021-04-29 04:42:57,523 INFO L147 QuantifierPusher]: treesize reduction 22, result has 26.7 percent of original size 8 [2021-04-29 04:42:57,523 INFO L142 QuantifierPusher]: treesize reduction 22, result has 26.7 percent of original size [2021-04-29 04:42:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:42:57,524 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-04-29 04:42:57,532 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-04-29 04:42:57,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,536 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-04-29 04:42:57,619 INFO L628 ElimStorePlain]: treesize reduction 28, result has 53.3 percent of original size [2021-04-29 04:42:57,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 04:42:57,621 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-04-29 04:42:57,621 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:85, output treesize:32 [2021-04-29 04:42:57,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 04:42:57,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 04:42:57,660 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 04:42:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 04:42:57,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 04:42:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:42:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,666 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-04-29 04:42:57,670 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:57,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:57,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:42:57,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 04:42:57,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953818079] [2021-04-29 04:42:57,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:42:57,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:42:57,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:42:57,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:42:57,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:42:57,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 47 transitions, 373 flow. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:57,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:42:57,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:42:57,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:42:57,897 INFO L129 PetriNetUnfolder]: 38/95 cut-off events. [2021-04-29 04:42:57,897 INFO L130 PetriNetUnfolder]: For 139/139 co-relation queries the response was YES. [2021-04-29 04:42:57,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 95 events. 38/95 cut-off events. For 139/139 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 331 event pairs, 0 based on Foata normal form. 1/71 useless extension candidates. Maximal degree in co-relation 421. Up to 63 conditions per place. [2021-04-29 04:42:57,899 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 28 selfloop transitions, 29 changer transitions 1/62 dead transitions. [2021-04-29 04:42:57,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 62 transitions, 643 flow [2021-04-29 04:42:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:42:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:42:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 111 transitions. [2021-04-29 04:42:57,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6851851851851852 [2021-04-29 04:42:57,901 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 111 transitions. [2021-04-29 04:42:57,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 111 transitions. [2021-04-29 04:42:57,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:42:57,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 111 transitions. [2021-04-29 04:42:57,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:57,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:57,903 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:57,903 INFO L185 Difference]: Start difference. First operand has 42 places, 47 transitions, 373 flow. Second operand 9 states and 111 transitions. [2021-04-29 04:42:57,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 62 transitions, 643 flow [2021-04-29 04:42:57,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 62 transitions, 507 flow, removed 49 selfloop flow, removed 8 redundant places. [2021-04-29 04:42:57,908 INFO L241 Difference]: Finished difference. Result has 45 places, 59 transitions, 464 flow [2021-04-29 04:42:57,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=464, PETRI_PLACES=45, PETRI_TRANSITIONS=59} [2021-04-29 04:42:57,909 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 28 predicate places. [2021-04-29 04:42:57,909 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:42:57,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 59 transitions, 464 flow [2021-04-29 04:42:57,909 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 59 transitions, 464 flow [2021-04-29 04:42:57,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 59 transitions, 464 flow [2021-04-29 04:42:57,919 INFO L129 PetriNetUnfolder]: 38/92 cut-off events. [2021-04-29 04:42:57,919 INFO L130 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2021-04-29 04:42:57,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 92 events. 38/92 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 321 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 323. Up to 48 conditions per place. [2021-04-29 04:42:57,921 INFO L146 LiptonReduction]: Number of co-enabled transitions 46 [2021-04-29 04:42:57,930 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:42:57,930 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:42:57,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-04-29 04:42:57,931 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 59 transitions, 464 flow [2021-04-29 04:42:57,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:57,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:42:57,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:42:58,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:42:58,145 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:42:58,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:42:58,145 INFO L82 PathProgramCache]: Analyzing trace with hash 878011271, now seen corresponding path program 1 times [2021-04-29 04:42:58,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:42:58,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59624733] [2021-04-29 04:42:58,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:42:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:42:58,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:42:58,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:58,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:58,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:58,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59624733] [2021-04-29 04:42:58,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380085414] [2021-04-29 04:42:58,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 04:42:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:42:58,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 04:42:58,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:42:58,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:42:58,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:58,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:58,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:42:58,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:58,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:42:58,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:42:58,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:58,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:58,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:58,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:42:58,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:42:58,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:42:58,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:42:58,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:42:58,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:58,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:42:58,252 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:42:58,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:42:58,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:42:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:42:58,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:42:58,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-04-29 04:42:58,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152705931] [2021-04-29 04:42:58,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 04:42:58,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:42:58,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 04:42:58,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 04:42:58,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 18 [2021-04-29 04:42:58,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 59 transitions, 464 flow. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 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 04:42:58,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:42:58,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 18 [2021-04-29 04:42:58,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:42:58,339 INFO L129 PetriNetUnfolder]: 42/112 cut-off events. [2021-04-29 04:42:58,339 INFO L130 PetriNetUnfolder]: For 152/152 co-relation queries the response was YES. [2021-04-29 04:42:58,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 112 events. 42/112 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 418 event pairs, 0 based on Foata normal form. 3/95 useless extension candidates. Maximal degree in co-relation 502. Up to 60 conditions per place. [2021-04-29 04:42:58,341 INFO L132 encePairwiseOnDemand]: 13/18 looper letters, 41 selfloop transitions, 22 changer transitions 1/69 dead transitions. [2021-04-29 04:42:58,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 69 transitions, 687 flow [2021-04-29 04:42:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:42:58,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:42:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 83 transitions. [2021-04-29 04:42:58,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7685185185185185 [2021-04-29 04:42:58,342 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 83 transitions. [2021-04-29 04:42:58,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 83 transitions. [2021-04-29 04:42:58,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:42:58,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 83 transitions. [2021-04-29 04:42:58,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:58,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:58,344 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:42:58,344 INFO L185 Difference]: Start difference. First operand has 45 places, 59 transitions, 464 flow. Second operand 6 states and 83 transitions. [2021-04-29 04:42:58,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 69 transitions, 687 flow [2021-04-29 04:42:58,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 69 transitions, 661 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-04-29 04:42:58,350 INFO L241 Difference]: Finished difference. Result has 47 places, 61 transitions, 542 flow [2021-04-29 04:42:58,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=542, PETRI_PLACES=47, PETRI_TRANSITIONS=61} [2021-04-29 04:42:58,350 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 30 predicate places. [2021-04-29 04:42:58,350 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:42:58,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 61 transitions, 542 flow [2021-04-29 04:42:58,351 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 61 transitions, 542 flow [2021-04-29 04:42:58,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 61 transitions, 542 flow [2021-04-29 04:42:58,365 INFO L129 PetriNetUnfolder]: 42/112 cut-off events. [2021-04-29 04:42:58,365 INFO L130 PetriNetUnfolder]: For 200/200 co-relation queries the response was YES. [2021-04-29 04:42:58,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 112 events. 42/112 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 454 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 444. Up to 59 conditions per place. [2021-04-29 04:42:58,367 INFO L146 LiptonReduction]: Number of co-enabled transitions 44 [2021-04-29 04:42:58,375 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:42:58,376 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:42:58,376 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-04-29 04:42:58,376 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 61 transitions, 542 flow [2021-04-29 04:42:58,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 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 04:42:58,377 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:42:58,377 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:42:58,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:42:58,593 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:42:58,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:42:58,595 INFO L82 PathProgramCache]: Analyzing trace with hash 792123818, now seen corresponding path program 6 times [2021-04-29 04:42:58,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:42:58,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842041433] [2021-04-29 04:42:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:42:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:42:58,680 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:42:58,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:42:59,161 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 2869 DAG size of output: 55 [2021-04-29 04:42:59,162 INFO L142 QuantifierPusher]: treesize reduction 1312357, result has 0.0 percent of original size [2021-04-29 04:42:59,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-04-29 04:42:59,338 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2021-04-29 04:43:00,209 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 5567 DAG size of output: 61 [2021-04-29 04:43:00,210 INFO L142 QuantifierPusher]: treesize reduction 2534193, result has 0.0 percent of original size [2021-04-29 04:43:00,211 INFO L147 QuantifierPusher]: treesize reduction 66, result has 74.3 percent of original size 191 [2021-04-29 04:43:00,398 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2021-04-29 04:43:01,264 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 5565 DAG size of output: 17 [2021-04-29 04:43:01,264 INFO L142 QuantifierPusher]: treesize reduction 2534420, result has 0.0 percent of original size [2021-04-29 04:43:01,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 04:43:01,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:01,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842041433] [2021-04-29 04:43:01,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101354742] [2021-04-29 04:43:01,298 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 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 04:43:01,325 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 04:43:01,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:43:01,326 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-29 04:43:01,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:01,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:01,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,359 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-04-29 04:43:01,360 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-04-29 04:43:01,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:01,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:01,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:01,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,386 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-04-29 04:43:01,386 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 04:43:01,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,412 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:43:01,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:43:01,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:43:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:43:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:01,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-04-29 04:43:01,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:01,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:01,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2021-04-29 04:43:01,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-04-29 04:43:02,339 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 15 [2021-04-29 04:43:02,340 INFO L142 QuantifierPusher]: treesize reduction 2228207, result has 0.0 percent of original size [2021-04-29 04:43:02,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:02,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:43:02,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:43:02,348 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-04-29 04:43:02,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,352 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 04:43:02,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,354 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 04:43:02,354 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-04-29 04:43:02,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:02,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:43:02,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 04:43:02,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904426647] [2021-04-29 04:43:02,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:43:02,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:43:02,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:43:02,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:43:02,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:43:02,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 61 transitions, 542 flow. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:02,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:43:02,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:43:02,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:43:02,471 INFO L129 PetriNetUnfolder]: 40/108 cut-off events. [2021-04-29 04:43:02,471 INFO L130 PetriNetUnfolder]: For 227/227 co-relation queries the response was YES. [2021-04-29 04:43:02,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 570 conditions, 108 events. 40/108 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 412 event pairs, 0 based on Foata normal form. 2/106 useless extension candidates. Maximal degree in co-relation 511. Up to 84 conditions per place. [2021-04-29 04:43:02,473 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 45 selfloop transitions, 10 changer transitions 2/61 dead transitions. [2021-04-29 04:43:02,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 61 transitions, 663 flow [2021-04-29 04:43:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:43:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:43:02,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 82 transitions. [2021-04-29 04:43:02,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6507936507936508 [2021-04-29 04:43:02,475 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 82 transitions. [2021-04-29 04:43:02,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 82 transitions. [2021-04-29 04:43:02,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:43:02,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 82 transitions. [2021-04-29 04:43:02,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:02,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 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 04:43:02,476 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 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 04:43:02,476 INFO L185 Difference]: Start difference. First operand has 47 places, 61 transitions, 542 flow. Second operand 7 states and 82 transitions. [2021-04-29 04:43:02,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 61 transitions, 663 flow [2021-04-29 04:43:02,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 61 transitions, 655 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-29 04:43:02,483 INFO L241 Difference]: Finished difference. Result has 53 places, 59 transitions, 544 flow [2021-04-29 04:43:02,483 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=544, PETRI_PLACES=53, PETRI_TRANSITIONS=59} [2021-04-29 04:43:02,483 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 36 predicate places. [2021-04-29 04:43:02,483 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:43:02,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 59 transitions, 544 flow [2021-04-29 04:43:02,484 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 59 transitions, 544 flow [2021-04-29 04:43:02,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 59 transitions, 544 flow [2021-04-29 04:43:02,496 INFO L129 PetriNetUnfolder]: 40/104 cut-off events. [2021-04-29 04:43:02,497 INFO L130 PetriNetUnfolder]: For 208/208 co-relation queries the response was YES. [2021-04-29 04:43:02,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 104 events. 40/104 cut-off events. For 208/208 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 375 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 456. Up to 55 conditions per place. [2021-04-29 04:43:02,498 INFO L146 LiptonReduction]: Number of co-enabled transitions 36 [2021-04-29 04:43:02,507 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:43:02,507 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:43:02,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-04-29 04:43:02,508 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 59 transitions, 544 flow [2021-04-29 04:43:02,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:02,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:43:02,508 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:43:02,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-04-29 04:43:02,723 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:43:02,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:43:02,724 INFO L82 PathProgramCache]: Analyzing trace with hash -497947355, now seen corresponding path program 2 times [2021-04-29 04:43:02,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:43:02,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958097851] [2021-04-29 04:43:02,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:43:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:02,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:43:02,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:02,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958097851] [2021-04-29 04:43:02,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134365059] [2021-04-29 04:43:02,758 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 04:43:02,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:43:02,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:43:02,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 04:43:02,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:02,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:02,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:02,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:02,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:02,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:02,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:02,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:02,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:02,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:02,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:02,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:02,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:02,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:02,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:02,824 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:43:02,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:02,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:02,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:43:02,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-04-29 04:43:02,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552421428] [2021-04-29 04:43:02,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 04:43:02,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:43:02,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 04:43:02,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 04:43:02,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 18 [2021-04-29 04:43:02,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 59 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 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 04:43:02,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:43:02,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 18 [2021-04-29 04:43:02,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:43:02,912 INFO L129 PetriNetUnfolder]: 41/107 cut-off events. [2021-04-29 04:43:02,912 INFO L130 PetriNetUnfolder]: For 328/332 co-relation queries the response was YES. [2021-04-29 04:43:02,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 107 events. 41/107 cut-off events. For 328/332 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 375 event pairs, 0 based on Foata normal form. 8/112 useless extension candidates. Maximal degree in co-relation 580. Up to 69 conditions per place. [2021-04-29 04:43:02,914 INFO L132 encePairwiseOnDemand]: 13/18 looper letters, 46 selfloop transitions, 14 changer transitions 0/65 dead transitions. [2021-04-29 04:43:02,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 65 transitions, 760 flow [2021-04-29 04:43:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:43:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:43:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 95 transitions. [2021-04-29 04:43:02,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.753968253968254 [2021-04-29 04:43:02,915 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 95 transitions. [2021-04-29 04:43:02,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 95 transitions. [2021-04-29 04:43:02,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:43:02,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 95 transitions. [2021-04-29 04:43:02,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 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 04:43:02,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 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 04:43:02,917 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 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 04:43:02,917 INFO L185 Difference]: Start difference. First operand has 51 places, 59 transitions, 544 flow. Second operand 7 states and 95 transitions. [2021-04-29 04:43:02,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 65 transitions, 760 flow [2021-04-29 04:43:02,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 65 transitions, 714 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 04:43:02,923 INFO L241 Difference]: Finished difference. Result has 53 places, 61 transitions, 595 flow [2021-04-29 04:43:02,924 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=595, PETRI_PLACES=53, PETRI_TRANSITIONS=61} [2021-04-29 04:43:02,924 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 36 predicate places. [2021-04-29 04:43:02,924 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:43:02,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 61 transitions, 595 flow [2021-04-29 04:43:02,925 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 61 transitions, 595 flow [2021-04-29 04:43:02,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 61 transitions, 595 flow [2021-04-29 04:43:02,938 INFO L129 PetriNetUnfolder]: 41/107 cut-off events. [2021-04-29 04:43:02,938 INFO L130 PetriNetUnfolder]: For 381/381 co-relation queries the response was YES. [2021-04-29 04:43:02,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 107 events. 41/107 cut-off events. For 381/381 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 379 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 499. Up to 59 conditions per place. [2021-04-29 04:43:02,940 INFO L146 LiptonReduction]: Number of co-enabled transitions 32 [2021-04-29 04:43:02,949 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:43:02,949 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:43:02,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-04-29 04:43:02,950 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 61 transitions, 595 flow [2021-04-29 04:43:02,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 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 04:43:02,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:43:02,950 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:43:03,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:43:03,166 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:43:03,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:43:03,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1069436487, now seen corresponding path program 3 times [2021-04-29 04:43:03,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:43:03,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826086439] [2021-04-29 04:43:03,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:43:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:03,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:43:03,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,202 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 04:43:03,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826086439] [2021-04-29 04:43:03,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182387838] [2021-04-29 04:43:03,202 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 04:43:03,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:43:03,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:43:03,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:43:03,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:03,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:03,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:03,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:03,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:03,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:03,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:03,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:03,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:03,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:03,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:03,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:03,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:03,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:43:03,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,298 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 04:43:03,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:43:03,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:43:03,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11677945] [2021-04-29 04:43:03,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:43:03,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:43:03,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:43:03,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:43:03,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 18 [2021-04-29 04:43:03,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 61 transitions, 595 flow. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:03,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:43:03,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 18 [2021-04-29 04:43:03,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:43:03,385 INFO L129 PetriNetUnfolder]: 47/139 cut-off events. [2021-04-29 04:43:03,385 INFO L130 PetriNetUnfolder]: For 611/611 co-relation queries the response was YES. [2021-04-29 04:43:03,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 812 conditions, 139 events. 47/139 cut-off events. For 611/611 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 596 event pairs, 0 based on Foata normal form. 3/139 useless extension candidates. Maximal degree in co-relation 740. Up to 75 conditions per place. [2021-04-29 04:43:03,387 INFO L132 encePairwiseOnDemand]: 13/18 looper letters, 31 selfloop transitions, 38 changer transitions 1/75 dead transitions. [2021-04-29 04:43:03,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 75 transitions, 926 flow [2021-04-29 04:43:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:43:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:43:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 98 transitions. [2021-04-29 04:43:03,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-04-29 04:43:03,389 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 98 transitions. [2021-04-29 04:43:03,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 98 transitions. [2021-04-29 04:43:03,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:43:03,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 98 transitions. [2021-04-29 04:43:03,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:03,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 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 04:43:03,391 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 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 04:43:03,391 INFO L185 Difference]: Start difference. First operand has 53 places, 61 transitions, 595 flow. Second operand 7 states and 98 transitions. [2021-04-29 04:43:03,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 75 transitions, 926 flow [2021-04-29 04:43:03,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 75 transitions, 871 flow, removed 23 selfloop flow, removed 3 redundant places. [2021-04-29 04:43:03,400 INFO L241 Difference]: Finished difference. Result has 58 places, 65 transitions, 755 flow [2021-04-29 04:43:03,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=755, PETRI_PLACES=58, PETRI_TRANSITIONS=65} [2021-04-29 04:43:03,400 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 41 predicate places. [2021-04-29 04:43:03,400 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:43:03,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 65 transitions, 755 flow [2021-04-29 04:43:03,401 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 65 transitions, 755 flow [2021-04-29 04:43:03,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 65 transitions, 755 flow [2021-04-29 04:43:03,419 INFO L129 PetriNetUnfolder]: 47/139 cut-off events. [2021-04-29 04:43:03,419 INFO L130 PetriNetUnfolder]: For 633/633 co-relation queries the response was YES. [2021-04-29 04:43:03,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 139 events. 47/139 cut-off events. For 633/633 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 606 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 726. Up to 73 conditions per place. [2021-04-29 04:43:03,421 INFO L146 LiptonReduction]: Number of co-enabled transitions 32 [2021-04-29 04:43:03,431 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:43:03,431 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:43:03,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-04-29 04:43:03,432 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 65 transitions, 755 flow [2021-04-29 04:43:03,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:03,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:43:03,433 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:43:03,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:43:03,646 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:43:03,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:43:03,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1412527401, now seen corresponding path program 4 times [2021-04-29 04:43:03,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:43:03,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965600752] [2021-04-29 04:43:03,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:43:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:03,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:43:03,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:03,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965600752] [2021-04-29 04:43:03,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881341290] [2021-04-29 04:43:03,681 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 04:43:03,704 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:43:03,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:43:03,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:43:03,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:03,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:03,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:03,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:03,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:03,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:03,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:03,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:03,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:03,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:03,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:03,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:03,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:03,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:03,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:43:03,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:03,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:03,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:43:03,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:43:03,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208842760] [2021-04-29 04:43:03,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:43:03,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:43:03,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:43:03,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:43:03,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 18 [2021-04-29 04:43:03,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 65 transitions, 755 flow. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:03,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:43:03,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 18 [2021-04-29 04:43:03,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:43:03,852 INFO L129 PetriNetUnfolder]: 44/123 cut-off events. [2021-04-29 04:43:03,852 INFO L130 PetriNetUnfolder]: For 836/836 co-relation queries the response was YES. [2021-04-29 04:43:03,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 123 events. 44/123 cut-off events. For 836/836 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 478 event pairs, 0 based on Foata normal form. 4/125 useless extension candidates. Maximal degree in co-relation 801. Up to 68 conditions per place. [2021-04-29 04:43:03,854 INFO L132 encePairwiseOnDemand]: 13/18 looper letters, 32 selfloop transitions, 29 changer transitions 1/67 dead transitions. [2021-04-29 04:43:03,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 67 transitions, 947 flow [2021-04-29 04:43:03,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:43:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:43:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 110 transitions. [2021-04-29 04:43:03,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7638888888888888 [2021-04-29 04:43:03,856 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 110 transitions. [2021-04-29 04:43:03,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 110 transitions. [2021-04-29 04:43:03,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:43:03,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 110 transitions. [2021-04-29 04:43:03,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:03,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:03,858 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:03,858 INFO L185 Difference]: Start difference. First operand has 58 places, 65 transitions, 755 flow. Second operand 8 states and 110 transitions. [2021-04-29 04:43:03,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 67 transitions, 947 flow [2021-04-29 04:43:03,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 67 transitions, 872 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-04-29 04:43:03,867 INFO L241 Difference]: Finished difference. Result has 62 places, 63 transitions, 793 flow [2021-04-29 04:43:03,867 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=793, PETRI_PLACES=62, PETRI_TRANSITIONS=63} [2021-04-29 04:43:03,867 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 45 predicate places. [2021-04-29 04:43:03,867 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:43:03,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 63 transitions, 793 flow [2021-04-29 04:43:03,868 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 63 transitions, 793 flow [2021-04-29 04:43:03,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 63 transitions, 793 flow [2021-04-29 04:43:03,885 INFO L129 PetriNetUnfolder]: 44/120 cut-off events. [2021-04-29 04:43:03,885 INFO L130 PetriNetUnfolder]: For 810/810 co-relation queries the response was YES. [2021-04-29 04:43:03,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 120 events. 44/120 cut-off events. For 810/810 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 454 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 731. Up to 68 conditions per place. [2021-04-29 04:43:03,887 INFO L146 LiptonReduction]: Number of co-enabled transitions 22 [2021-04-29 04:43:03,897 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:43:03,897 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:43:03,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-04-29 04:43:03,898 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 63 transitions, 793 flow [2021-04-29 04:43:03,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:03,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:43:03,898 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:43:04,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-04-29 04:43:04,112 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:43:04,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:43:04,113 INFO L82 PathProgramCache]: Analyzing trace with hash -822856380, now seen corresponding path program 7 times [2021-04-29 04:43:04,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:43:04,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859252470] [2021-04-29 04:43:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:43:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:04,146 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:43:04,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:43:04,156 INFO L142 QuantifierPusher]: treesize reduction 1140, result has 8.7 percent of original size [2021-04-29 04:43:04,158 INFO L147 QuantifierPusher]: treesize reduction 5, result has 95.4 percent of original size 103 [2021-04-29 04:43:05,171 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 2866 DAG size of output: 49 [2021-04-29 04:43:05,171 INFO L142 QuantifierPusher]: treesize reduction 2623474, result has 0.0 percent of original size [2021-04-29 04:43:05,173 INFO L147 QuantifierPusher]: treesize reduction 7, result has 97.4 percent of original size 263 [2021-04-29 04:43:05,325 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2021-04-29 04:43:05,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:43:05,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:05,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:05,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859252470] [2021-04-29 04:43:05,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737102050] [2021-04-29 04:43:05,362 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 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 04:43:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:05,387 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 04:43:05,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:05,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:05,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:05,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:05,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:05,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:05,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:05,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:05,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:05,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:05,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:05,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:05,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:05,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:05,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:05,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:05,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:05,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:05,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:05,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:05,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:05,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-04-29 04:43:05,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:05,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-04-29 04:43:06,378 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 41 [2021-04-29 04:43:06,378 INFO L142 QuantifierPusher]: treesize reduction 2228143, result has 0.0 percent of original size [2021-04-29 04:43:06,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-04-29 04:43:06,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-04-29 04:43:06,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,462 INFO L147 QuantifierPusher]: treesize reduction 42, result has 51.7 percent of original size 45 [2021-04-29 04:43:06,465 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-04-29 04:43:06,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:43:06,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:43:06,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,469 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:06,470 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:06,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:06,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:43:06,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:43:06,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:43:06,498 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-04-29 04:43:06,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,500 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:06,502 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,505 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:06,506 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,506 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-04-29 04:43:06,507 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:06,508 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:06,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:06,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:06,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:06,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:06,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 04:43:06,551 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 64 [2021-04-29 04:43:06,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,557 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 04:43:06,558 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,558 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.2 percent of original size [2021-04-29 04:43:06,559 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:43:06,560 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,561 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-04-29 04:43:06,562 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:06,565 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:06,573 INFO L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-04-29 04:43:06,574 INFO L147 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size 35 [2021-04-29 04:43:06,575 INFO L147 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size 35 [2021-04-29 04:43:06,576 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:06,577 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,578 INFO L142 QuantifierPusher]: treesize reduction 17, result has 75.7 percent of original size [2021-04-29 04:43:06,579 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:06,583 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,584 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-04-29 04:43:06,586 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:06,587 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:43:06,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:43:06,592 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:06,594 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,597 INFO L142 QuantifierPusher]: treesize reduction 8, result has 81.8 percent of original size [2021-04-29 04:43:06,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:06,598 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,599 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-04-29 04:43:06,601 INFO L147 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size 4 [2021-04-29 04:43:06,601 INFO L147 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size 8 [2021-04-29 04:43:06,602 INFO L147 QuantifierPusher]: treesize reduction 22, result has 43.6 percent of original size 17 [2021-04-29 04:43:06,602 INFO L147 QuantifierPusher]: treesize reduction 22, result has 43.6 percent of original size 17 [2021-04-29 04:43:06,603 INFO L142 QuantifierPusher]: treesize reduction 22, result has 43.6 percent of original size [2021-04-29 04:43:06,603 INFO L147 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size 12 [2021-04-29 04:43:06,604 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-04-29 04:43:06,634 INFO L628 ElimStorePlain]: treesize reduction 23, result has 43.9 percent of original size [2021-04-29 04:43:06,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:43:06,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-29 04:43:06,636 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:59, output treesize:18 [2021-04-29 04:43:06,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:43:06,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:43:06,660 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 04:43:06,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:06,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:06,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:43:06,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,664 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:06,665 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:06,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:06,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:06,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:43:06,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 04:43:06,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000568023] [2021-04-29 04:43:06,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:43:06,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:43:06,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:43:06,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:43:06,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:43:06,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 63 transitions, 793 flow. Second operand has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:06,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:43:06,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:43:06,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:43:06,973 INFO L129 PetriNetUnfolder]: 48/139 cut-off events. [2021-04-29 04:43:06,973 INFO L130 PetriNetUnfolder]: For 981/985 co-relation queries the response was YES. [2021-04-29 04:43:06,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 139 events. 48/139 cut-off events. For 981/985 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 576 event pairs, 0 based on Foata normal form. 6/143 useless extension candidates. Maximal degree in co-relation 940. Up to 82 conditions per place. [2021-04-29 04:43:06,975 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 25 selfloop transitions, 45 changer transitions 1/75 dead transitions. [2021-04-29 04:43:06,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 75 transitions, 1109 flow [2021-04-29 04:43:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:43:06,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:43:06,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 141 transitions. [2021-04-29 04:43:06,977 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6527777777777778 [2021-04-29 04:43:06,977 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 141 transitions. [2021-04-29 04:43:06,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 141 transitions. [2021-04-29 04:43:06,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:43:06,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 141 transitions. [2021-04-29 04:43:06,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:06,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 18.0) internal successors, (234), 13 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:06,979 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 18.0) internal successors, (234), 13 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:06,979 INFO L185 Difference]: Start difference. First operand has 61 places, 63 transitions, 793 flow. Second operand 12 states and 141 transitions. [2021-04-29 04:43:06,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 75 transitions, 1109 flow [2021-04-29 04:43:06,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 75 transitions, 1030 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-04-29 04:43:06,990 INFO L241 Difference]: Finished difference. Result has 70 places, 73 transitions, 998 flow [2021-04-29 04:43:06,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=998, PETRI_PLACES=70, PETRI_TRANSITIONS=73} [2021-04-29 04:43:06,991 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 53 predicate places. [2021-04-29 04:43:06,991 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:43:06,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 73 transitions, 998 flow [2021-04-29 04:43:06,991 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 73 transitions, 998 flow [2021-04-29 04:43:06,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 73 transitions, 998 flow [2021-04-29 04:43:07,014 INFO L129 PetriNetUnfolder]: 48/136 cut-off events. [2021-04-29 04:43:07,014 INFO L130 PetriNetUnfolder]: For 1075/1075 co-relation queries the response was YES. [2021-04-29 04:43:07,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 932 conditions, 136 events. 48/136 cut-off events. For 1075/1075 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 565 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 879. Up to 76 conditions per place. [2021-04-29 04:43:07,016 INFO L146 LiptonReduction]: Number of co-enabled transitions 30 [2021-04-29 04:43:07,029 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:43:07,030 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:43:07,030 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-29 04:43:07,030 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 73 transitions, 998 flow [2021-04-29 04:43:07,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:07,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:43:07,031 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:43:07,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-04-29 04:43:07,246 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:43:07,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:43:07,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1392161996, now seen corresponding path program 8 times [2021-04-29 04:43:07,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:43:07,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871046216] [2021-04-29 04:43:07,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:43:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:07,276 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:43:07,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:43:07,285 INFO L142 QuantifierPusher]: treesize reduction 574, result has 11.6 percent of original size [2021-04-29 04:43:07,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-29 04:43:07,910 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 2845 DAG size of output: 44 [2021-04-29 04:43:07,911 INFO L142 QuantifierPusher]: treesize reduction 1311746, result has 0.0 percent of original size [2021-04-29 04:43:07,912 INFO L147 QuantifierPusher]: treesize reduction 7, result has 95.0 percent of original size 134 [2021-04-29 04:43:08,936 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 25 [2021-04-29 04:43:08,936 INFO L142 QuantifierPusher]: treesize reduction 2533176, result has 0.0 percent of original size [2021-04-29 04:43:08,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 04:43:08,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:08,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:09,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:09,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871046216] [2021-04-29 04:43:09,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402715453] [2021-04-29 04:43:09,025 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 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 04:43:09,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:43:09,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:43:09,052 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 04:43:09,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:09,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:09,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:09,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:09,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:09,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:09,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:09,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:09,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:09,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,081 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-04-29 04:43:09,082 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-04-29 04:43:09,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:09,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:09,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:09,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:09,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:09,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:09,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,111 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-29 04:43:09,112 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 04:43:09,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:09,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:09,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:09,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:09,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:09,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:09,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:09,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-04-29 04:43:09,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:09,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:09,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-04-29 04:43:09,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-04-29 04:43:10,076 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 2127 DAG size of output: 25 [2021-04-29 04:43:10,076 INFO L142 QuantifierPusher]: treesize reduction 2228185, result has 0.0 percent of original size [2021-04-29 04:43:10,077 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:10,077 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:43:10,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:10,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:43:10,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:43:10,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:43:10,113 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-04-29 04:43:10,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,116 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:10,117 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,129 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:10,130 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,130 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 04:43:10,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:10,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:10,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:10,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,138 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 04:43:10,172 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 64 [2021-04-29 04:43:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,179 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 04:43:10,180 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,181 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-04-29 04:43:10,183 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:43:10,185 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,186 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-04-29 04:43:10,187 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:43:10,188 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 04:43:10,198 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:10,203 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,205 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size [2021-04-29 04:43:10,206 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:10,208 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:10,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:10,212 INFO L147 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size 16 [2021-04-29 04:43:10,212 INFO L147 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size 35 [2021-04-29 04:43:10,213 INFO L147 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size 35 [2021-04-29 04:43:10,214 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:10,215 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,216 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-04-29 04:43:10,220 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:43:10,221 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,222 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-04-29 04:43:10,223 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:10,224 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,227 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:10,230 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,232 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 04:43:10,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:10,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:10,236 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:10,237 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:43:10,242 INFO L147 QuantifierPusher]: treesize reduction 18, result has 50.0 percent of original size 18 [2021-04-29 04:43:10,243 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:10,244 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:43:10,249 INFO L147 QuantifierPusher]: treesize reduction 32, result has 34.7 percent of original size 17 [2021-04-29 04:43:10,250 INFO L147 QuantifierPusher]: treesize reduction 32, result has 34.7 percent of original size 17 [2021-04-29 04:43:10,251 INFO L142 QuantifierPusher]: treesize reduction 32, result has 34.7 percent of original size [2021-04-29 04:43:10,252 INFO L147 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size 12 [2021-04-29 04:43:10,252 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-04-29 04:43:10,280 INFO L628 ElimStorePlain]: treesize reduction 23, result has 43.9 percent of original size [2021-04-29 04:43:10,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:43:10,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-29 04:43:10,282 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:59, output treesize:18 [2021-04-29 04:43:10,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:43:10,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:43:10,308 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 04:43:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:10,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:10,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:43:10,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,312 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:10,314 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:10,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:10,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:10,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:43:10,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 04:43:10,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143505642] [2021-04-29 04:43:10,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:43:10,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:43:10,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:43:10,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:43:10,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:43:10,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 73 transitions, 998 flow. Second operand has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:10,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:43:10,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:43:10,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:43:10,568 INFO L129 PetriNetUnfolder]: 56/158 cut-off events. [2021-04-29 04:43:10,568 INFO L130 PetriNetUnfolder]: For 1290/1294 co-relation queries the response was YES. [2021-04-29 04:43:10,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 158 events. 56/158 cut-off events. For 1290/1294 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 701 event pairs, 0 based on Foata normal form. 5/161 useless extension candidates. Maximal degree in co-relation 1141. Up to 116 conditions per place. [2021-04-29 04:43:10,571 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 51 selfloop transitions, 31 changer transitions 0/86 dead transitions. [2021-04-29 04:43:10,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 86 transitions, 1360 flow [2021-04-29 04:43:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:43:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:43:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2021-04-29 04:43:10,573 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6728395061728395 [2021-04-29 04:43:10,573 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 109 transitions. [2021-04-29 04:43:10,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 109 transitions. [2021-04-29 04:43:10,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:43:10,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 109 transitions. [2021-04-29 04:43:10,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:10,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:10,575 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:10,576 INFO L185 Difference]: Start difference. First operand has 69 places, 73 transitions, 998 flow. Second operand 9 states and 109 transitions. [2021-04-29 04:43:10,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 86 transitions, 1360 flow [2021-04-29 04:43:10,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 86 transitions, 1246 flow, removed 40 selfloop flow, removed 8 redundant places. [2021-04-29 04:43:10,592 INFO L241 Difference]: Finished difference. Result has 71 places, 84 transitions, 1155 flow [2021-04-29 04:43:10,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1155, PETRI_PLACES=71, PETRI_TRANSITIONS=84} [2021-04-29 04:43:10,593 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 54 predicate places. [2021-04-29 04:43:10,593 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:43:10,593 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 84 transitions, 1155 flow [2021-04-29 04:43:10,593 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 84 transitions, 1155 flow [2021-04-29 04:43:10,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 84 transitions, 1155 flow [2021-04-29 04:43:10,622 INFO L129 PetriNetUnfolder]: 56/158 cut-off events. [2021-04-29 04:43:10,623 INFO L130 PetriNetUnfolder]: For 1022/1022 co-relation queries the response was YES. [2021-04-29 04:43:10,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 158 events. 56/158 cut-off events. For 1022/1022 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 701 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 989. Up to 88 conditions per place. [2021-04-29 04:43:10,626 INFO L146 LiptonReduction]: Number of co-enabled transitions 44 [2021-04-29 04:43:10,643 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:43:10,643 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:43:10,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-04-29 04:43:10,644 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 84 transitions, 1155 flow [2021-04-29 04:43:10,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:10,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:43:10,645 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:43:10,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable93 [2021-04-29 04:43:10,860 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:43:10,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:43:10,860 INFO L82 PathProgramCache]: Analyzing trace with hash 359843972, now seen corresponding path program 9 times [2021-04-29 04:43:10,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:43:10,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492633635] [2021-04-29 04:43:10,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:43:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:10,893 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:43:10,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:43:10,902 INFO L142 QuantifierPusher]: treesize reduction 574, result has 11.6 percent of original size [2021-04-29 04:43:10,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-29 04:43:11,529 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 2845 DAG size of output: 44 [2021-04-29 04:43:11,529 INFO L142 QuantifierPusher]: treesize reduction 1311746, result has 0.0 percent of original size [2021-04-29 04:43:11,530 INFO L147 QuantifierPusher]: treesize reduction 7, result has 95.0 percent of original size 134 [2021-04-29 04:43:11,643 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2021-04-29 04:43:12,527 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 25 [2021-04-29 04:43:12,528 INFO L142 QuantifierPusher]: treesize reduction 2533176, result has 0.0 percent of original size [2021-04-29 04:43:12,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 04:43:13,424 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 5508 DAG size of output: 14 [2021-04-29 04:43:13,425 INFO L142 QuantifierPusher]: treesize reduction 2533212, result has 0.0 percent of original size [2021-04-29 04:43:13,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:13,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:13,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492633635] [2021-04-29 04:43:13,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977479545] [2021-04-29 04:43:13,461 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 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 04:43:13,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:43:13,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:43:13,485 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 04:43:13,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:13,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:13,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:13,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:13,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:13,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:13,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:13,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:13,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:13,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:13,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:13,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:13,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:43:13,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:13,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:13,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:13,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:13,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,588 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-04-29 04:43:13,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:43:13,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:13,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:43:13,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:43:13,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-04-29 04:43:13,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:13,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:13,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 285 [2021-04-29 04:43:13,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 286 [2021-04-29 04:43:14,539 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 16 [2021-04-29 04:43:14,539 INFO L142 QuantifierPusher]: treesize reduction 2228205, result has 0.0 percent of original size [2021-04-29 04:43:14,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:14,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:43:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:14,558 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-04-29 04:43:14,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,561 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:43:14,567 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:14,568 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-04-29 04:43:14,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:14,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,570 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:14,571 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:14,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,573 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:43:14,574 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:14,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:14,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:14,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:14,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:14,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:14,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:14,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,580 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 04:43:14,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,582 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 04:43:14,582 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-04-29 04:43:14,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:14,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:14,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:43:14,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 04:43:14,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123590973] [2021-04-29 04:43:14,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:43:14,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:43:14,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:43:14,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:43:14,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:43:14,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 84 transitions, 1155 flow. Second operand has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:14,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:43:14,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:43:14,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:43:14,779 INFO L129 PetriNetUnfolder]: 54/154 cut-off events. [2021-04-29 04:43:14,779 INFO L130 PetriNetUnfolder]: For 1080/1084 co-relation queries the response was YES. [2021-04-29 04:43:14,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1173 conditions, 154 events. 54/154 cut-off events. For 1080/1084 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 685 event pairs, 0 based on Foata normal form. 6/158 useless extension candidates. Maximal degree in co-relation 1078. Up to 122 conditions per place. [2021-04-29 04:43:14,782 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 65 selfloop transitions, 13 changer transitions 2/84 dead transitions. [2021-04-29 04:43:14,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 84 transitions, 1326 flow [2021-04-29 04:43:14,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:43:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:43:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 94 transitions. [2021-04-29 04:43:14,784 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6527777777777778 [2021-04-29 04:43:14,784 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 94 transitions. [2021-04-29 04:43:14,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 94 transitions. [2021-04-29 04:43:14,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:43:14,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 94 transitions. [2021-04-29 04:43:14,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:14,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:14,786 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:14,787 INFO L185 Difference]: Start difference. First operand has 71 places, 84 transitions, 1155 flow. Second operand 8 states and 94 transitions. [2021-04-29 04:43:14,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 84 transitions, 1326 flow [2021-04-29 04:43:14,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 84 transitions, 1268 flow, removed 22 selfloop flow, removed 4 redundant places. [2021-04-29 04:43:14,803 INFO L241 Difference]: Finished difference. Result has 76 places, 82 transitions, 1107 flow [2021-04-29 04:43:14,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1107, PETRI_PLACES=76, PETRI_TRANSITIONS=82} [2021-04-29 04:43:14,803 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 59 predicate places. [2021-04-29 04:43:14,803 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:43:14,804 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 82 transitions, 1107 flow [2021-04-29 04:43:14,804 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 82 transitions, 1107 flow [2021-04-29 04:43:14,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 82 transitions, 1107 flow [2021-04-29 04:43:14,830 INFO L129 PetriNetUnfolder]: 54/150 cut-off events. [2021-04-29 04:43:14,831 INFO L130 PetriNetUnfolder]: For 976/976 co-relation queries the response was YES. [2021-04-29 04:43:14,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 150 events. 54/150 cut-off events. For 976/976 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 631 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 966. Up to 84 conditions per place. [2021-04-29 04:43:14,834 INFO L146 LiptonReduction]: Number of co-enabled transitions 36 [2021-04-29 04:43:14,849 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:43:14,850 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:43:14,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-04-29 04:43:14,850 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 82 transitions, 1107 flow [2021-04-29 04:43:14,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:14,851 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:43:14,851 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:43:15,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:43:15,066 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:43:15,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:43:15,067 INFO L82 PathProgramCache]: Analyzing trace with hash -306688903, now seen corresponding path program 5 times [2021-04-29 04:43:15,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:43:15,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522531805] [2021-04-29 04:43:15,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:43:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:15,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:43:15,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,101 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 04:43:15,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522531805] [2021-04-29 04:43:15,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711378143] [2021-04-29 04:43:15,101 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:43:15,129 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:43:15,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:43:15,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:43:15,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:15,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:15,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:15,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:15,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:15,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:15,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:15,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:15,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:15,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:15,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:15,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:15,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:15,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:43:15,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:43:15,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:43:15,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:43:15,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:43:15,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:43:15,179 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 04:43:15,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:43:15,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:43:15,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887284477] [2021-04-29 04:43:15,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:43:15,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:43:15,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:43:15,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:43:15,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 18 [2021-04-29 04:43:15,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 82 transitions, 1107 flow. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:15,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:43:15,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 18 [2021-04-29 04:43:15,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:43:15,285 INFO L129 PetriNetUnfolder]: 62/169 cut-off events. [2021-04-29 04:43:15,286 INFO L130 PetriNetUnfolder]: For 1394/1398 co-relation queries the response was YES. [2021-04-29 04:43:15,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1329 conditions, 169 events. 62/169 cut-off events. For 1394/1398 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 754 event pairs, 0 based on Foata normal form. 8/174 useless extension candidates. Maximal degree in co-relation 1264. Up to 106 conditions per place. [2021-04-29 04:43:15,289 INFO L132 encePairwiseOnDemand]: 13/18 looper letters, 69 selfloop transitions, 26 changer transitions 0/100 dead transitions. [2021-04-29 04:43:15,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 100 transitions, 1600 flow [2021-04-29 04:43:15,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:43:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:43:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 121 transitions. [2021-04-29 04:43:15,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7469135802469136 [2021-04-29 04:43:15,290 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 121 transitions. [2021-04-29 04:43:15,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 121 transitions. [2021-04-29 04:43:15,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:43:15,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 121 transitions. [2021-04-29 04:43:15,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:15,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:15,292 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:15,293 INFO L185 Difference]: Start difference. First operand has 74 places, 82 transitions, 1107 flow. Second operand 9 states and 121 transitions. [2021-04-29 04:43:15,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 100 transitions, 1600 flow [2021-04-29 04:43:15,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 100 transitions, 1538 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-04-29 04:43:15,308 INFO L241 Difference]: Finished difference. Result has 78 places, 93 transitions, 1318 flow [2021-04-29 04:43:15,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1318, PETRI_PLACES=78, PETRI_TRANSITIONS=93} [2021-04-29 04:43:15,308 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 61 predicate places. [2021-04-29 04:43:15,308 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:43:15,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 93 transitions, 1318 flow [2021-04-29 04:43:15,309 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 93 transitions, 1318 flow [2021-04-29 04:43:15,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 93 transitions, 1318 flow [2021-04-29 04:43:15,334 INFO L129 PetriNetUnfolder]: 62/169 cut-off events. [2021-04-29 04:43:15,335 INFO L130 PetriNetUnfolder]: For 1571/1571 co-relation queries the response was YES. [2021-04-29 04:43:15,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1237 conditions, 169 events. 62/169 cut-off events. For 1571/1571 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 731 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 1151. Up to 99 conditions per place. [2021-04-29 04:43:15,337 INFO L146 LiptonReduction]: Number of co-enabled transitions 36 [2021-04-29 04:43:15,357 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:43:15,357 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:43:15,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-29 04:43:15,357 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 93 transitions, 1318 flow [2021-04-29 04:43:15,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:43:15,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:43:15,358 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:43:15,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-04-29 04:43:15,573 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:43:15,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:43:15,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1812347324, now seen corresponding path program 10 times [2021-04-29 04:43:15,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:43:15,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672785844] [2021-04-29 04:43:15,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:43:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:43:15,600 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 04:43:15,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:43:15,609 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-04-29 04:43:15,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:43:15,620 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-04-29 04:43:15,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:43:15,634 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-04-29 04:43:15,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:43:15,653 INFO L142 QuantifierPusher]: treesize reduction 12, result has 42.9 percent of original size [2021-04-29 04:43:15,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:43:15,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:43:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:43:15,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672785844] [2021-04-29 04:43:15,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981577966] [2021-04-29 04:43:15,678 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 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 04:43:15,705 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:43:15,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:43:15,706 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-04-29 04:43:15,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:43:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:43:15,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-04-29 04:43:15,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:43:15,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-04-29 04:46:59,831 WARN L205 SmtUtils]: Spent 3.72 m on a formula simplification. DAG size of input: 112621 DAG size of output: 53 [2021-04-29 04:46:59,832 INFO L142 QuantifierPusher]: treesize reduction 700448615, result has 0.0 percent of original size [2021-04-29 04:46:59,834 INFO L147 QuantifierPusher]: treesize reduction 56, result has 61.6 percent of original size 90 [2021-04-29 04:46:59,835 INFO L142 QuantifierPusher]: treesize reduction 56, result has 61.6 percent of original size [2021-04-29 04:46:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-29 04:46:59,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:46:59,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-29 04:46:59,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:46:59,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-29 04:46:59,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:46:59,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-29 04:46:59,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:46:59,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-04-29 04:46:59,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:46:59,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-04-29 04:46:59,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:46:59,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-04-29 04:46:59,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:46:59,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-04-29 04:46:59,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:46:59,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-04-29 04:47:00,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,040 INFO L147 QuantifierPusher]: treesize reduction 42, result has 51.7 percent of original size 45 [2021-04-29 04:47:00,041 INFO L142 QuantifierPusher]: treesize reduction 42, result has 52.3 percent of original size [2021-04-29 04:47:00,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:47:00,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:47:00,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,046 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,046 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:47:00,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:47:00,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:47:00,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:47:00,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:47:00,077 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-04-29 04:47:00,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,080 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:47:00,081 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,082 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-04-29 04:47:00,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,084 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,084 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,086 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,087 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:00,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:00,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:00,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:00,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:00,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 04:47:00,121 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 64 [2021-04-29 04:47:00,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,124 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 04:47:00,125 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-04-29 04:47:00,127 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:47:00,128 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,130 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-04-29 04:47:00,130 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:47:00,131 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:47:00,135 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:47:00,136 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,137 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,138 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:00,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:47:00,142 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-04-29 04:47:00,143 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:47:00,144 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,145 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.3 percent of original size [2021-04-29 04:47:00,145 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 04:47:00,146 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,148 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:47:00,149 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:47:00,152 INFO L147 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size 29 [2021-04-29 04:47:00,153 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:47:00,154 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,155 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,156 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,158 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,159 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:47:00,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:47:00,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:47:00,164 INFO L147 QuantifierPusher]: treesize reduction 18, result has 76.3 percent of original size 58 [2021-04-29 04:47:00,165 INFO L147 QuantifierPusher]: treesize reduction 47, result has 62.7 percent of original size 79 [2021-04-29 04:47:00,166 INFO L147 QuantifierPusher]: treesize reduction 47, result has 62.7 percent of original size 79 [2021-04-29 04:47:00,167 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,168 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,170 INFO L142 QuantifierPusher]: treesize reduction 183, result has 30.7 percent of original size [2021-04-29 04:47:00,171 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,171 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,172 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.8 percent of original size [2021-04-29 04:47:00,173 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:47:00,174 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:47:00,177 INFO L147 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size 14 [2021-04-29 04:47:00,179 INFO L147 QuantifierPusher]: treesize reduction 32, result has 27.3 percent of original size 12 [2021-04-29 04:47:00,179 INFO L147 QuantifierPusher]: treesize reduction 32, result has 27.3 percent of original size 12 [2021-04-29 04:47:00,180 INFO L142 QuantifierPusher]: treesize reduction 32, result has 27.3 percent of original size [2021-04-29 04:47:00,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:47:00,180 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-04-29 04:47:00,205 INFO L628 ElimStorePlain]: treesize reduction 18, result has 50.0 percent of original size [2021-04-29 04:47:00,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:47:00,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-29 04:47:00,207 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:59, output treesize:18 [2021-04-29 04:47:00,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:47:00,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:47:00,230 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 04:47:00,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:47:00,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:47:00,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:47:00,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,235 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:47:00,236 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:00,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:00,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:47:00,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:47:00,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 04:47:00,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524660356] [2021-04-29 04:47:00,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:47:00,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:47:00,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:47:00,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:47:00,247 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 18 [2021-04-29 04:47:00,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 93 transitions, 1318 flow. Second operand has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:00,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:47:00,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 18 [2021-04-29 04:47:00,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:47:00,753 INFO L129 PetriNetUnfolder]: 74/195 cut-off events. [2021-04-29 04:47:00,753 INFO L130 PetriNetUnfolder]: For 1941/1945 co-relation queries the response was YES. [2021-04-29 04:47:00,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1628 conditions, 195 events. 74/195 cut-off events. For 1941/1945 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 902 event pairs, 0 based on Foata normal form. 5/196 useless extension candidates. Maximal degree in co-relation 1528. Up to 151 conditions per place. [2021-04-29 04:47:00,756 INFO L132 encePairwiseOnDemand]: 12/18 looper letters, 76 selfloop transitions, 32 changer transitions 1/113 dead transitions. [2021-04-29 04:47:00,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 113 transitions, 1912 flow [2021-04-29 04:47:00,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 04:47:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 04:47:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 147 transitions. [2021-04-29 04:47:00,758 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2021-04-29 04:47:00,758 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 147 transitions. [2021-04-29 04:47:00,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 147 transitions. [2021-04-29 04:47:00,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:47:00,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 147 transitions. [2021-04-29 04:47:00,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 13 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:00,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 18.0) internal successors, (252), 14 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:00,760 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 18.0) internal successors, (252), 14 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:00,760 INFO L185 Difference]: Start difference. First operand has 78 places, 93 transitions, 1318 flow. Second operand 13 states and 147 transitions. [2021-04-29 04:47:00,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 113 transitions, 1912 flow [2021-04-29 04:47:00,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 113 transitions, 1805 flow, removed 40 selfloop flow, removed 5 redundant places. [2021-04-29 04:47:00,783 INFO L241 Difference]: Finished difference. Result has 91 places, 112 transitions, 1682 flow [2021-04-29 04:47:00,783 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=1232, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1682, PETRI_PLACES=91, PETRI_TRANSITIONS=112} [2021-04-29 04:47:00,783 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 74 predicate places. [2021-04-29 04:47:00,784 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:47:00,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 112 transitions, 1682 flow [2021-04-29 04:47:00,784 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 112 transitions, 1682 flow [2021-04-29 04:47:00,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 112 transitions, 1682 flow [2021-04-29 04:47:00,817 INFO L129 PetriNetUnfolder]: 74/192 cut-off events. [2021-04-29 04:47:00,817 INFO L130 PetriNetUnfolder]: For 2007/2007 co-relation queries the response was YES. [2021-04-29 04:47:00,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1518 conditions, 192 events. 74/192 cut-off events. For 2007/2007 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 859 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 1446. Up to 117 conditions per place. [2021-04-29 04:47:00,822 INFO L146 LiptonReduction]: Number of co-enabled transitions 40 [2021-04-29 04:47:00,841 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:47:00,841 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:47:00,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-04-29 04:47:00,842 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 112 transitions, 1682 flow [2021-04-29 04:47:00,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:00,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:47:00,842 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:47:01,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-04-29 04:47:01,058 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:47:01,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:47:01,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1703046633, now seen corresponding path program 6 times [2021-04-29 04:47:01,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:47:01,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555430968] [2021-04-29 04:47:01,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:47:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:47:01,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:47:01,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:47:01,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555430968] [2021-04-29 04:47:01,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642090215] [2021-04-29 04:47:01,109 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:47:01,138 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:47:01,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:47:01,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:47:01,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:47:01,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:01,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:01,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:01,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:01,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:01,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:01,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:01,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:01,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:01,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:47:01,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:47:01,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:01,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:47:01,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:47:01,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:01,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:47:01,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:47:01,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:01,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:47:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:47:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:01,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:47:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:47:01,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:01,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:47:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:47:01,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:01,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:47:01,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:47:01,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:01,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:47:01,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:47:01,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:47:01,187 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:47:01,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:01,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:47:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:47:01,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:47:01,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-04-29 04:47:01,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346578507] [2021-04-29 04:47:01,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:47:01,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:47:01,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:47:01,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:47:01,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 18 [2021-04-29 04:47:01,195 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 112 transitions, 1682 flow. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:01,195 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:47:01,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 18 [2021-04-29 04:47:01,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:47:01,325 INFO L129 PetriNetUnfolder]: 83/238 cut-off events. [2021-04-29 04:47:01,326 INFO L130 PetriNetUnfolder]: For 2928/2932 co-relation queries the response was YES. [2021-04-29 04:47:01,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2053 conditions, 238 events. 83/238 cut-off events. For 2928/2932 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1218 event pairs, 0 based on Foata normal form. 7/242 useless extension candidates. Maximal degree in co-relation 1952. Up to 139 conditions per place. [2021-04-29 04:47:01,330 INFO L132 encePairwiseOnDemand]: 13/18 looper letters, 50 selfloop transitions, 77 changer transitions 2/134 dead transitions. [2021-04-29 04:47:01,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 134 transitions, 2402 flow [2021-04-29 04:47:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:47:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:47:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 113 transitions. [2021-04-29 04:47:01,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7847222222222222 [2021-04-29 04:47:01,332 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 113 transitions. [2021-04-29 04:47:01,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 113 transitions. [2021-04-29 04:47:01,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:47:01,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 113 transitions. [2021-04-29 04:47:01,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:01,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:01,334 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:01,334 INFO L185 Difference]: Start difference. First operand has 90 places, 112 transitions, 1682 flow. Second operand 8 states and 113 transitions. [2021-04-29 04:47:01,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 134 transitions, 2402 flow [2021-04-29 04:47:01,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 134 transitions, 2204 flow, removed 93 selfloop flow, removed 5 redundant places. [2021-04-29 04:47:01,364 INFO L241 Difference]: Finished difference. Result has 93 places, 121 transitions, 1874 flow [2021-04-29 04:47:01,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=1462, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1874, PETRI_PLACES=93, PETRI_TRANSITIONS=121} [2021-04-29 04:47:01,364 INFO L343 CegarLoopForPetriNet]: 17 programPoint places, 76 predicate places. [2021-04-29 04:47:01,364 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:47:01,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 121 transitions, 1874 flow [2021-04-29 04:47:01,365 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 121 transitions, 1874 flow [2021-04-29 04:47:01,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 121 transitions, 1874 flow [2021-04-29 04:47:01,409 INFO L129 PetriNetUnfolder]: 83/235 cut-off events. [2021-04-29 04:47:01,409 INFO L130 PetriNetUnfolder]: For 2998/2998 co-relation queries the response was YES. [2021-04-29 04:47:01,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1887 conditions, 235 events. 83/235 cut-off events. For 2998/2998 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1198 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 1802. Up to 124 conditions per place. [2021-04-29 04:47:01,413 INFO L146 LiptonReduction]: Number of co-enabled transitions 44 [2021-04-29 04:47:01,423 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:47:01,423 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:47:01,424 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-04-29 04:47:01,424 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 121 transitions, 1874 flow [2021-04-29 04:47:01,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:47:01,424 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:47:01,425 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:47:01,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-04-29 04:47:01,638 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:47:01,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:47:01,638 INFO L82 PathProgramCache]: Analyzing trace with hash 208811938, now seen corresponding path program 11 times [2021-04-29 04:47:01,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:47:01,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870618580] [2021-04-29 04:47:01,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:47:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:47:01,659 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:47:01,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:47:01,665 INFO L142 QuantifierPusher]: treesize reduction 12, result has 63.6 percent of original size [2021-04-29 04:47:01,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:47:01,682 INFO L142 QuantifierPusher]: treesize reduction 574, result has 10.9 percent of original size [2021-04-29 04:47:01,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-29 04:47:02,330 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 2844 DAG size of output: 48 [2021-04-29 04:47:02,331 INFO L142 QuantifierPusher]: treesize reduction 1311729, result has 0.0 percent of original size [2021-04-29 04:47:02,332 INFO L147 QuantifierPusher]: treesize reduction 24, result has 84.3 percent of original size 129 [2021-04-29 04:47:02,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:47:02,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:47:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:47:02,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870618580] [2021-04-29 04:47:02,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450269795] [2021-04-29 04:47:02,445 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 04:47:02,471 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:47:02,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:47:02,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 22 conjunts are in the unsatisfiable core [2021-04-29 04:47:02,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:47:02,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:47:02,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:47:02,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:47:02,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:47:02,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:47:02,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:02,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:47:02,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:47:02,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:47:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:47:02,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:47:02,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:47:02,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:02,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:47:02,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:47:02,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:02,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:47:02,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 04:47:02,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:47:02,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:47:02,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:02,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-04-29 04:47:02,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-04-29 04:47:02,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:47:02,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:47:02,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-04-29 04:47:02,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown