/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 01:36:15,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 01:36:15,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 01:36:15,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 01:36:15,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 01:36:15,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 01:36:15,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 01:36:15,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 01:36:15,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 01:36:15,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 01:36:15,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 01:36:15,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 01:36:15,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 01:36:15,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 01:36:15,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 01:36:15,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 01:36:15,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 01:36:15,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 01:36:15,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 01:36:15,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 01:36:15,209 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-SemanticLbe.epf [2021-03-12 01:36:15,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 01:36:15,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 01:36:15,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 01:36:15,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 01:36:15,238 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 01:36:15,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 01:36:15,238 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 01:36:15,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 01:36:15,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 01:36:15,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 01:36:15,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 01:36:15,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 01:36:15,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 01:36:15,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 01:36:15,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 01:36:15,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 01:36:15,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 01:36:15,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 01:36:15,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 01:36:15,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-12 01:36:15,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 01:36:15,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 01:36:15,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 01:36:15,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 01:36:15,453 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 01:36:15,454 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 01:36:15,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2021-03-12 01:36:15,455 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2021-03-12 01:36:15,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 01:36:15,493 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 01:36:15,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 01:36:15,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 01:36:15,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 01:36:15,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 01:36:15,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 01:36:15,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 01:36:15,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 01:36:15,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... [2021-03-12 01:36:15,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 01:36:15,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 01:36:15,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 01:36:15,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 01:36:15,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 01:36:15,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 01:36:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 01:36:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 01:36:15,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 01:36:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 01:36:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 01:36:15,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 01:36:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 01:36:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 01:36:15,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 01:36:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 01:36:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 01:36:15,579 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 01:36:15,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 01:36:15,808 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 01:36:15,809 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 01:36:15 BoogieIcfgContainer [2021-03-12 01:36:15,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 01:36:15,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 01:36:15,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 01:36:15,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 01:36:15,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:15" (1/2) ... [2021-03-12 01:36:15,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241652b and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 01:36:15, skipping insertion in model container [2021-03-12 01:36:15,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 01:36:15" (2/2) ... [2021-03-12 01:36:15,813 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2021-03-12 01:36:15,816 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 01:36:15,818 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 01:36:15,819 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 01:36:15,846 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 01:36:15,857 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-12 01:36:15,869 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 01:36:15,870 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-12 01:36:15,870 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 01:36:15,870 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 01:36:15,870 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 01:36:15,870 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 01:36:15,870 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 01:36:15,870 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 01:36:15,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 42 transitions, 108 flow [2021-03-12 01:36:15,895 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-03-12 01:36:15,895 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-12 01:36:15,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 39 events. 3/39 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 94 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2021-03-12 01:36:15,898 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 42 transitions, 108 flow [2021-03-12 01:36:15,901 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 37 transitions, 92 flow [2021-03-12 01:36:15,905 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 01:36:15,923 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 37 transitions, 92 flow [2021-03-12 01:36:15,925 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 37 transitions, 92 flow [2021-03-12 01:36:15,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 37 transitions, 92 flow [2021-03-12 01:36:15,935 INFO L129 PetriNetUnfolder]: 3/37 cut-off events. [2021-03-12 01:36:15,935 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-12 01:36:15,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 37 events. 3/37 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 92 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2021-03-12 01:36:15,937 INFO L116 LiptonReduction]: Number of co-enabled transitions 634 [2021-03-12 01:36:16,616 INFO L131 LiptonReduction]: Checked pairs total: 554 [2021-03-12 01:36:16,616 INFO L133 LiptonReduction]: Total number of compositions: 19 [2021-03-12 01:36:16,617 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 716 [2021-03-12 01:36:16,628 INFO L129 PetriNetUnfolder]: 3/17 cut-off events. [2021-03-12 01:36:16,628 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-12 01:36:16,628 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:16,629 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:16,629 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:16,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:16,632 INFO L82 PathProgramCache]: Analyzing trace with hash 611058710, now seen corresponding path program 1 times [2021-03-12 01:36:16,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:16,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604250999] [2021-03-12 01:36:16,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:16,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:16,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604250999] [2021-03-12 01:36:16,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:16,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 01:36:16,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794428467] [2021-03-12 01:36:16,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 01:36:16,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:16,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 01:36:16,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 01:36:16,722 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 61 [2021-03-12 01:36:16,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 18 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:16,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 61 [2021-03-12 01:36:16,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:16,734 INFO L129 PetriNetUnfolder]: 3/19 cut-off events. [2021-03-12 01:36:16,734 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-12 01:36:16,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 19 events. 3/19 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 21. Up to 4 conditions per place. [2021-03-12 01:36:16,735 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 2 selfloop transitions, 2 changer transitions 0/19 dead transitions. [2021-03-12 01:36:16,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 19 transitions, 64 flow [2021-03-12 01:36:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 01:36:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 01:36:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2021-03-12 01:36:16,742 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8469945355191257 [2021-03-12 01:36:16,743 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 155 transitions. [2021-03-12 01:36:16,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 155 transitions. [2021-03-12 01:36:16,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:16,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 155 transitions. [2021-03-12 01:36:16,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,749 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,750 INFO L185 Difference]: Start difference. First operand has 25 places, 18 transitions, 54 flow. Second operand 3 states and 155 transitions. [2021-03-12 01:36:16,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 19 transitions, 64 flow [2021-03-12 01:36:16,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 19 transitions, 52 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-12 01:36:16,753 INFO L241 Difference]: Finished difference. Result has 22 places, 19 transitions, 54 flow [2021-03-12 01:36:16,754 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2021-03-12 01:36:16,754 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, -3 predicate places. [2021-03-12 01:36:16,754 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 54 flow [2021-03-12 01:36:16,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,754 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:16,754 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:16,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 01:36:16,755 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:16,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:16,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1986571049, now seen corresponding path program 1 times [2021-03-12 01:36:16,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:16,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771223914] [2021-03-12 01:36:16,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:16,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:16,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771223914] [2021-03-12 01:36:16,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:16,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 01:36:16,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769094249] [2021-03-12 01:36:16,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 01:36:16,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:16,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 01:36:16,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 01:36:16,769 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 61 [2021-03-12 01:36:16,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:16,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 61 [2021-03-12 01:36:16,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:16,775 INFO L129 PetriNetUnfolder]: 3/20 cut-off events. [2021-03-12 01:36:16,775 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-12 01:36:16,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 20 events. 3/20 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 21. Up to 4 conditions per place. [2021-03-12 01:36:16,775 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 2 selfloop transitions, 2 changer transitions 0/20 dead transitions. [2021-03-12 01:36:16,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 20 transitions, 64 flow [2021-03-12 01:36:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 01:36:16,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 01:36:16,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2021-03-12 01:36:16,776 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2021-03-12 01:36:16,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 158 transitions. [2021-03-12 01:36:16,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 158 transitions. [2021-03-12 01:36:16,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:16,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 158 transitions. [2021-03-12 01:36:16,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,778 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,778 INFO L185 Difference]: Start difference. First operand has 22 places, 19 transitions, 54 flow. Second operand 3 states and 158 transitions. [2021-03-12 01:36:16,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 20 transitions, 64 flow [2021-03-12 01:36:16,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 20 transitions, 60 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-12 01:36:16,779 INFO L241 Difference]: Finished difference. Result has 24 places, 20 transitions, 62 flow [2021-03-12 01:36:16,779 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=24, PETRI_TRANSITIONS=20} [2021-03-12 01:36:16,780 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, -1 predicate places. [2021-03-12 01:36:16,780 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 20 transitions, 62 flow [2021-03-12 01:36:16,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,780 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:16,780 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:16,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 01:36:16,780 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:16,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:16,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1176109609, now seen corresponding path program 1 times [2021-03-12 01:36:16,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:16,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959171571] [2021-03-12 01:36:16,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:16,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:36:16,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959171571] [2021-03-12 01:36:16,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:16,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 01:36:16,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269159766] [2021-03-12 01:36:16,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 01:36:16,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:16,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 01:36:16,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 01:36:16,810 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 61 [2021-03-12 01:36:16,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:16,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 61 [2021-03-12 01:36:16,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:16,816 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-03-12 01:36:16,816 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-12 01:36:16,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 26 events. 3/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 49 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 31. Up to 4 conditions per place. [2021-03-12 01:36:16,817 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 2 selfloop transitions, 2 changer transitions 0/21 dead transitions. [2021-03-12 01:36:16,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 21 transitions, 72 flow [2021-03-12 01:36:16,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 01:36:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 01:36:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2021-03-12 01:36:16,818 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8961748633879781 [2021-03-12 01:36:16,818 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 164 transitions. [2021-03-12 01:36:16,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 164 transitions. [2021-03-12 01:36:16,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:16,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 164 transitions. [2021-03-12 01:36:16,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,819 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,819 INFO L185 Difference]: Start difference. First operand has 24 places, 20 transitions, 62 flow. Second operand 3 states and 164 transitions. [2021-03-12 01:36:16,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 21 transitions, 72 flow [2021-03-12 01:36:16,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 21 transitions, 68 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-12 01:36:16,820 INFO L241 Difference]: Finished difference. Result has 26 places, 21 transitions, 70 flow [2021-03-12 01:36:16,820 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=26, PETRI_TRANSITIONS=21} [2021-03-12 01:36:16,821 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2021-03-12 01:36:16,821 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 21 transitions, 70 flow [2021-03-12 01:36:16,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,821 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:16,821 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:16,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 01:36:16,821 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:16,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:16,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1670020956, now seen corresponding path program 1 times [2021-03-12 01:36:16,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:16,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511124171] [2021-03-12 01:36:16,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:16,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:16,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:36:16,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511124171] [2021-03-12 01:36:16,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:16,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 01:36:16,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777995953] [2021-03-12 01:36:16,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 01:36:16,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:16,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 01:36:16,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 01:36:16,839 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 61 [2021-03-12 01:36:16,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 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) [2021-03-12 01:36:16,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:16,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 61 [2021-03-12 01:36:16,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:16,846 INFO L129 PetriNetUnfolder]: 4/27 cut-off events. [2021-03-12 01:36:16,847 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2021-03-12 01:36:16,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 27 events. 4/27 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 2/26 useless extension candidates. Maximal degree in co-relation 35. Up to 6 conditions per place. [2021-03-12 01:36:16,847 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 3 selfloop transitions, 2 changer transitions 0/21 dead transitions. [2021-03-12 01:36:16,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 21 transitions, 80 flow [2021-03-12 01:36:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 01:36:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 01:36:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2021-03-12 01:36:16,848 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8961748633879781 [2021-03-12 01:36:16,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 164 transitions. [2021-03-12 01:36:16,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 164 transitions. [2021-03-12 01:36:16,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:16,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 164 transitions. [2021-03-12 01:36:16,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,850 INFO L185 Difference]: Start difference. First operand has 26 places, 21 transitions, 70 flow. Second operand 3 states and 164 transitions. [2021-03-12 01:36:16,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 21 transitions, 80 flow [2021-03-12 01:36:16,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 21 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-12 01:36:16,851 INFO L241 Difference]: Finished difference. Result has 28 places, 21 transitions, 76 flow [2021-03-12 01:36:16,851 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=28, PETRI_TRANSITIONS=21} [2021-03-12 01:36:16,851 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 3 predicate places. [2021-03-12 01:36:16,851 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 76 flow [2021-03-12 01:36:16,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 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) [2021-03-12 01:36:16,852 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:16,852 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:16,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 01:36:16,852 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:16,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:16,852 INFO L82 PathProgramCache]: Analyzing trace with hash 608375188, now seen corresponding path program 2 times [2021-03-12 01:36:16,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:16,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993693769] [2021-03-12 01:36:16,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:16,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:16,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:36:16,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993693769] [2021-03-12 01:36:16,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:16,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 01:36:16,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9817357] [2021-03-12 01:36:16,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 01:36:16,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:16,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 01:36:16,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 01:36:16,876 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 61 [2021-03-12 01:36:16,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:16,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 61 [2021-03-12 01:36:16,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:16,894 INFO L129 PetriNetUnfolder]: 8/37 cut-off events. [2021-03-12 01:36:16,894 INFO L130 PetriNetUnfolder]: For 1/5 co-relation queries the response was YES. [2021-03-12 01:36:16,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 37 events. 8/37 cut-off events. For 1/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 2 based on Foata normal form. 5/37 useless extension candidates. Maximal degree in co-relation 61. Up to 15 conditions per place. [2021-03-12 01:36:16,895 INFO L132 encePairwiseOnDemand]: 57/61 looper letters, 4 selfloop transitions, 3 changer transitions 0/23 dead transitions. [2021-03-12 01:36:16,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 23 transitions, 94 flow [2021-03-12 01:36:16,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 01:36:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 01:36:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2021-03-12 01:36:16,897 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8743169398907104 [2021-03-12 01:36:16,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 160 transitions. [2021-03-12 01:36:16,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 160 transitions. [2021-03-12 01:36:16,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:16,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 160 transitions. [2021-03-12 01:36:16,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,900 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,900 INFO L185 Difference]: Start difference. First operand has 28 places, 21 transitions, 76 flow. Second operand 3 states and 160 transitions. [2021-03-12 01:36:16,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 23 transitions, 94 flow [2021-03-12 01:36:16,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-12 01:36:16,901 INFO L241 Difference]: Finished difference. Result has 29 places, 23 transitions, 91 flow [2021-03-12 01:36:16,902 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=29, PETRI_TRANSITIONS=23} [2021-03-12 01:36:16,902 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 4 predicate places. [2021-03-12 01:36:16,902 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 23 transitions, 91 flow [2021-03-12 01:36:16,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,902 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:16,902 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:16,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 01:36:16,902 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:16,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:16,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1093333596, now seen corresponding path program 3 times [2021-03-12 01:36:16,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:16,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106532079] [2021-03-12 01:36:16,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:16,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:16,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:16,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106532079] [2021-03-12 01:36:16,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:16,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 01:36:16,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087711765] [2021-03-12 01:36:16,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 01:36:16,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:16,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 01:36:16,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 01:36:16,947 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 61 [2021-03-12 01:36:16,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 23 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:16,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 61 [2021-03-12 01:36:16,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:16,960 INFO L129 PetriNetUnfolder]: 7/34 cut-off events. [2021-03-12 01:36:16,960 INFO L130 PetriNetUnfolder]: For 5/9 co-relation queries the response was YES. [2021-03-12 01:36:16,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 34 events. 7/34 cut-off events. For 5/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 3/35 useless extension candidates. Maximal degree in co-relation 59. Up to 11 conditions per place. [2021-03-12 01:36:16,960 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 3 selfloop transitions, 2 changer transitions 1/23 dead transitions. [2021-03-12 01:36:16,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 23 transitions, 101 flow [2021-03-12 01:36:16,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 01:36:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 01:36:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2021-03-12 01:36:16,961 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2021-03-12 01:36:16,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 158 transitions. [2021-03-12 01:36:16,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 158 transitions. [2021-03-12 01:36:16,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:16,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 158 transitions. [2021-03-12 01:36:16,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,963 INFO L185 Difference]: Start difference. First operand has 29 places, 23 transitions, 91 flow. Second operand 3 states and 158 transitions. [2021-03-12 01:36:16,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 23 transitions, 101 flow [2021-03-12 01:36:16,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 23 transitions, 98 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-12 01:36:16,963 INFO L241 Difference]: Finished difference. Result has 31 places, 22 transitions, 92 flow [2021-03-12 01:36:16,964 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2021-03-12 01:36:16,964 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 6 predicate places. [2021-03-12 01:36:16,964 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 92 flow [2021-03-12 01:36:16,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:16,964 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:16,964 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:16,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-12 01:36:16,964 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:16,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:16,964 INFO L82 PathProgramCache]: Analyzing trace with hash 915309958, now seen corresponding path program 4 times [2021-03-12 01:36:16,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:16,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702558488] [2021-03-12 01:36:16,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:16,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:16,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:16,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:16,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:16,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:16,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702558488] [2021-03-12 01:36:16,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030709792] [2021-03-12 01:36:16,991 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 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 [2021-03-12 01:36:17,022 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:36:17,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:17,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 01:36:17,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,117 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-12 01:36:17,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:17,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:17,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:17,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,156 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:17,159 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,163 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-12 01:36:17,165 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-12 01:36:17,165 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:17,166 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,167 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-12 01:36:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:17,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:17,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-12 01:36:17,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600869385] [2021-03-12 01:36:17,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 01:36:17,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:17,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 01:36:17,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-12 01:36:17,197 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 61 [2021-03-12 01:36:17,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 92 flow. Second operand has 6 states, 6 states have (on average 45.333333333333336) internal successors, (272), 6 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:17,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 61 [2021-03-12 01:36:17,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:17,232 INFO L129 PetriNetUnfolder]: 14/41 cut-off events. [2021-03-12 01:36:17,232 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-12 01:36:17,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 41 events. 14/41 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 58 event pairs, 2 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 92. Up to 18 conditions per place. [2021-03-12 01:36:17,233 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 6 selfloop transitions, 7 changer transitions 0/27 dead transitions. [2021-03-12 01:36:17,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 27 transitions, 138 flow [2021-03-12 01:36:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 01:36:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-12 01:36:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 322 transitions. [2021-03-12 01:36:17,237 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7540983606557377 [2021-03-12 01:36:17,237 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 322 transitions. [2021-03-12 01:36:17,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 322 transitions. [2021-03-12 01:36:17,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:17,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 322 transitions. [2021-03-12 01:36:17,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 46.0) internal successors, (322), 7 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 61.0) internal successors, (488), 8 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,239 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 61.0) internal successors, (488), 8 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,239 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 92 flow. Second operand 7 states and 322 transitions. [2021-03-12 01:36:17,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 27 transitions, 138 flow [2021-03-12 01:36:17,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 130 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-12 01:36:17,240 INFO L241 Difference]: Finished difference. Result has 35 places, 25 transitions, 116 flow [2021-03-12 01:36:17,240 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=116, PETRI_PLACES=35, PETRI_TRANSITIONS=25} [2021-03-12 01:36:17,240 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 10 predicate places. [2021-03-12 01:36:17,240 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 116 flow [2021-03-12 01:36:17,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 45.333333333333336) internal successors, (272), 6 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,241 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:17,241 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:17,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-03-12 01:36:17,455 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:17,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:17,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1164235030, now seen corresponding path program 5 times [2021-03-12 01:36:17,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:17,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392544028] [2021-03-12 01:36:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:17,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:17,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:17,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392544028] [2021-03-12 01:36:17,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699871664] [2021-03-12 01:36:17,522 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 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 [2021-03-12 01:36:17,564 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-12 01:36:17,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:17,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-12 01:36:17,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:17,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:17,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:17,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:17,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:17,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:17,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:17,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:17,607 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-12 01:36:17,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:17,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-12 01:36:17,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-03-12 01:36:17,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131616352] [2021-03-12 01:36:17,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 01:36:17,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:17,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 01:36:17,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 01:36:17,619 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 61 [2021-03-12 01:36:17,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:17,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 61 [2021-03-12 01:36:17,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:17,633 INFO L129 PetriNetUnfolder]: 12/54 cut-off events. [2021-03-12 01:36:17,634 INFO L130 PetriNetUnfolder]: For 34/38 co-relation queries the response was YES. [2021-03-12 01:36:17,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 54 events. 12/54 cut-off events. For 34/38 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 111 event pairs, 0 based on Foata normal form. 3/50 useless extension candidates. Maximal degree in co-relation 123. Up to 16 conditions per place. [2021-03-12 01:36:17,634 INFO L132 encePairwiseOnDemand]: 57/61 looper letters, 4 selfloop transitions, 10 changer transitions 0/31 dead transitions. [2021-03-12 01:36:17,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 31 transitions, 173 flow [2021-03-12 01:36:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 01:36:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 01:36:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 214 transitions. [2021-03-12 01:36:17,635 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8770491803278688 [2021-03-12 01:36:17,635 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 214 transitions. [2021-03-12 01:36:17,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 214 transitions. [2021-03-12 01:36:17,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:17,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 214 transitions. [2021-03-12 01:36:17,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,637 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,637 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 116 flow. Second operand 4 states and 214 transitions. [2021-03-12 01:36:17,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 31 transitions, 173 flow [2021-03-12 01:36:17,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 31 transitions, 154 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-12 01:36:17,638 INFO L241 Difference]: Finished difference. Result has 37 places, 31 transitions, 175 flow [2021-03-12 01:36:17,638 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=175, PETRI_PLACES=37, PETRI_TRANSITIONS=31} [2021-03-12 01:36:17,638 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 12 predicate places. [2021-03-12 01:36:17,638 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 31 transitions, 175 flow [2021-03-12 01:36:17,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:17,638 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:17,638 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:17,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-12 01:36:17,855 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:17,856 INFO L82 PathProgramCache]: Analyzing trace with hash 967060410, now seen corresponding path program 6 times [2021-03-12 01:36:17,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:17,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612824665] [2021-03-12 01:36:17,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:17,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:17,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:17,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612824665] [2021-03-12 01:36:17,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522256175] [2021-03-12 01:36:17,890 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 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 [2021-03-12 01:36:17,917 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-12 01:36:17,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:17,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-12 01:36:17,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:17,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:17,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:17,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:17,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:17,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:17,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:17,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:17,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:17,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:17,967 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 19 treesize of output 11 [2021-03-12 01:36:17,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:17,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 01:36:17,978 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:5 [2021-03-12 01:36:17,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:17,983 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-12 01:36:17,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:17,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:17,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:17,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:17,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,994 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:17,995 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,997 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-12 01:36:17,998 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-12 01:36:17,998 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:17,999 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:17,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:17,999 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-12 01:36:18,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:18,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:18,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-12 01:36:18,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658952369] [2021-03-12 01:36:18,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 01:36:18,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:18,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 01:36:18,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-12 01:36:18,018 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 61 [2021-03-12 01:36:18,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 175 flow. Second operand has 7 states, 7 states have (on average 38.42857142857143) internal successors, (269), 7 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:18,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 61 [2021-03-12 01:36:18,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:18,075 INFO L129 PetriNetUnfolder]: 65/157 cut-off events. [2021-03-12 01:36:18,075 INFO L130 PetriNetUnfolder]: For 163/177 co-relation queries the response was YES. [2021-03-12 01:36:18,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 157 events. 65/157 cut-off events. For 163/177 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 544 event pairs, 10 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 468. Up to 74 conditions per place. [2021-03-12 01:36:18,077 INFO L132 encePairwiseOnDemand]: 55/61 looper letters, 22 selfloop transitions, 12 changer transitions 0/47 dead transitions. [2021-03-12 01:36:18,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 47 transitions, 356 flow [2021-03-12 01:36:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 01:36:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-12 01:36:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 352 transitions. [2021-03-12 01:36:18,078 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6411657559198543 [2021-03-12 01:36:18,078 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 352 transitions. [2021-03-12 01:36:18,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 352 transitions. [2021-03-12 01:36:18,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:18,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 352 transitions. [2021-03-12 01:36:18,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 39.111111111111114) internal successors, (352), 9 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 61.0) internal successors, (610), 10 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,080 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 61.0) internal successors, (610), 10 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,080 INFO L185 Difference]: Start difference. First operand has 37 places, 31 transitions, 175 flow. Second operand 9 states and 352 transitions. [2021-03-12 01:36:18,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 47 transitions, 356 flow [2021-03-12 01:36:18,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 47 transitions, 340 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-03-12 01:36:18,083 INFO L241 Difference]: Finished difference. Result has 46 places, 37 transitions, 236 flow [2021-03-12 01:36:18,083 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=236, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2021-03-12 01:36:18,084 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 21 predicate places. [2021-03-12 01:36:18,084 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 236 flow [2021-03-12 01:36:18,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 38.42857142857143) internal successors, (269), 7 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,084 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:18,084 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:18,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-12 01:36:18,302 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:18,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:18,303 INFO L82 PathProgramCache]: Analyzing trace with hash 949566207, now seen corresponding path program 7 times [2021-03-12 01:36:18,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:18,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320971396] [2021-03-12 01:36:18,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:18,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:18,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:18,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:18,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320971396] [2021-03-12 01:36:18,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:18,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 01:36:18,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628878693] [2021-03-12 01:36:18,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 01:36:18,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:18,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 01:36:18,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-12 01:36:18,343 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 61 [2021-03-12 01:36:18,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 236 flow. Second operand has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:18,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 61 [2021-03-12 01:36:18,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:18,361 INFO L129 PetriNetUnfolder]: 32/134 cut-off events. [2021-03-12 01:36:18,361 INFO L130 PetriNetUnfolder]: For 231/267 co-relation queries the response was YES. [2021-03-12 01:36:18,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 134 events. 32/134 cut-off events. For 231/267 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 560 event pairs, 0 based on Foata normal form. 5/128 useless extension candidates. Maximal degree in co-relation 373. Up to 37 conditions per place. [2021-03-12 01:36:18,362 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 4 selfloop transitions, 12 changer transitions 0/43 dead transitions. [2021-03-12 01:36:18,362 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 43 transitions, 321 flow [2021-03-12 01:36:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 01:36:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 01:36:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 211 transitions. [2021-03-12 01:36:18,363 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8647540983606558 [2021-03-12 01:36:18,363 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 211 transitions. [2021-03-12 01:36:18,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 211 transitions. [2021-03-12 01:36:18,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:18,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 211 transitions. [2021-03-12 01:36:18,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,364 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,365 INFO L185 Difference]: Start difference. First operand has 46 places, 37 transitions, 236 flow. Second operand 4 states and 211 transitions. [2021-03-12 01:36:18,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 43 transitions, 321 flow [2021-03-12 01:36:18,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 43 transitions, 301 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-12 01:36:18,367 INFO L241 Difference]: Finished difference. Result has 48 places, 43 transitions, 326 flow [2021-03-12 01:36:18,367 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=326, PETRI_PLACES=48, PETRI_TRANSITIONS=43} [2021-03-12 01:36:18,367 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 23 predicate places. [2021-03-12 01:36:18,367 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 43 transitions, 326 flow [2021-03-12 01:36:18,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,367 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:18,367 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:18,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-12 01:36:18,368 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:18,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:18,368 INFO L82 PathProgramCache]: Analyzing trace with hash 849743211, now seen corresponding path program 8 times [2021-03-12 01:36:18,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:18,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765490395] [2021-03-12 01:36:18,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:18,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:18,432 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-12 01:36:18,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:36:18,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765490395] [2021-03-12 01:36:18,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778929813] [2021-03-12 01:36:18,439 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:18,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:36:18,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:18,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-12 01:36:18,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:18,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:18,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:18,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:18,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:18,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:18,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:18,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:18,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 01:36:18,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:18,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:18,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:18,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:18,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:18,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:18,530 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 19 treesize of output 11 [2021-03-12 01:36:18,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,532 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:18,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,536 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-12 01:36:18,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:18,537 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 01:36:18,537 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:15 [2021-03-12 01:36:18,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:18,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:18,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:18,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:18,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:18,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:18,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:18,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:18,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:18,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:18,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:18,570 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 15 treesize of output 11 [2021-03-12 01:36:18,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:18,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,575 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-12 01:36:18,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:18,575 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 01:36:18,575 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:12 [2021-03-12 01:36:18,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:18,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:18,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:18,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:18,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:18,604 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 22 treesize of output 10 [2021-03-12 01:36:18,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:18,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 01:36:18,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2021-03-12 01:36:18,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:36:18,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:18,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-12 01:36:18,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551189520] [2021-03-12 01:36:18,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 01:36:18,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:18,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 01:36:18,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-12 01:36:18,637 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 61 [2021-03-12 01:36:18,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 43 transitions, 326 flow. Second operand has 10 states, 10 states have (on average 36.3) internal successors, (363), 10 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:18,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 61 [2021-03-12 01:36:18,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:18,684 INFO L129 PetriNetUnfolder]: 77/213 cut-off events. [2021-03-12 01:36:18,684 INFO L130 PetriNetUnfolder]: For 526/589 co-relation queries the response was YES. [2021-03-12 01:36:18,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 213 events. 77/213 cut-off events. For 526/589 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 901 event pairs, 11 based on Foata normal form. 4/198 useless extension candidates. Maximal degree in co-relation 785. Up to 130 conditions per place. [2021-03-12 01:36:18,686 INFO L132 encePairwiseOnDemand]: 54/61 looper letters, 23 selfloop transitions, 11 changer transitions 1/48 dead transitions. [2021-03-12 01:36:18,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 48 transitions, 432 flow [2021-03-12 01:36:18,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 01:36:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 01:36:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 298 transitions. [2021-03-12 01:36:18,687 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.610655737704918 [2021-03-12 01:36:18,687 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 298 transitions. [2021-03-12 01:36:18,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 298 transitions. [2021-03-12 01:36:18,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:18,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 298 transitions. [2021-03-12 01:36:18,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 37.25) internal successors, (298), 8 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 61.0) internal successors, (549), 9 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,688 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 61.0) internal successors, (549), 9 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,688 INFO L185 Difference]: Start difference. First operand has 48 places, 43 transitions, 326 flow. Second operand 8 states and 298 transitions. [2021-03-12 01:36:18,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 48 transitions, 432 flow [2021-03-12 01:36:18,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 48 transitions, 432 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-12 01:36:18,691 INFO L241 Difference]: Finished difference. Result has 56 places, 44 transitions, 358 flow [2021-03-12 01:36:18,691 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=358, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2021-03-12 01:36:18,691 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 31 predicate places. [2021-03-12 01:36:18,691 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 358 flow [2021-03-12 01:36:18,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 36.3) internal successors, (363), 10 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:18,691 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:18,691 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:18,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:18,908 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:18,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:18,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1406905212, now seen corresponding path program 9 times [2021-03-12 01:36:18,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:18,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112145538] [2021-03-12 01:36:18,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:18,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:18,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:18,966 INFO L142 QuantifierPusher]: treesize reduction 26, result has 33.3 percent of original size [2021-03-12 01:36:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:18,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:18,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112145538] [2021-03-12 01:36:18,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625400441] [2021-03-12 01:36:18,975 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:36:19,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 01:36:19,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:19,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:19,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:19,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:19,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,053 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-12 01:36:19,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:19,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:19,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:19,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:19,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,064 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:19,065 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,068 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-12 01:36:19,068 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-12 01:36:19,071 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:19,073 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,073 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-12 01:36:19,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:19,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:19,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-12 01:36:19,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220687602] [2021-03-12 01:36:19,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 01:36:19,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:19,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 01:36:19,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-12 01:36:19,089 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 61 [2021-03-12 01:36:19,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 358 flow. Second operand has 7 states, 7 states have (on average 45.42857142857143) internal successors, (318), 7 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:19,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 61 [2021-03-12 01:36:19,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:19,146 INFO L129 PetriNetUnfolder]: 56/172 cut-off events. [2021-03-12 01:36:19,146 INFO L130 PetriNetUnfolder]: For 486/508 co-relation queries the response was YES. [2021-03-12 01:36:19,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 172 events. 56/172 cut-off events. For 486/508 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 706 event pairs, 0 based on Foata normal form. 23/174 useless extension candidates. Maximal degree in co-relation 643. Up to 49 conditions per place. [2021-03-12 01:36:19,148 INFO L132 encePairwiseOnDemand]: 55/61 looper letters, 11 selfloop transitions, 27 changer transitions 1/59 dead transitions. [2021-03-12 01:36:19,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 59 transitions, 585 flow [2021-03-12 01:36:19,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 01:36:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-12 01:36:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 422 transitions. [2021-03-12 01:36:19,149 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7686703096539163 [2021-03-12 01:36:19,149 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 422 transitions. [2021-03-12 01:36:19,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 422 transitions. [2021-03-12 01:36:19,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:19,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 422 transitions. [2021-03-12 01:36:19,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 46.888888888888886) internal successors, (422), 9 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 61.0) internal successors, (610), 10 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,150 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 61.0) internal successors, (610), 10 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,151 INFO L185 Difference]: Start difference. First operand has 56 places, 44 transitions, 358 flow. Second operand 9 states and 422 transitions. [2021-03-12 01:36:19,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 59 transitions, 585 flow [2021-03-12 01:36:19,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 59 transitions, 564 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-12 01:36:19,154 INFO L241 Difference]: Finished difference. Result has 63 places, 53 transitions, 564 flow [2021-03-12 01:36:19,154 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=564, PETRI_PLACES=63, PETRI_TRANSITIONS=53} [2021-03-12 01:36:19,154 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 38 predicate places. [2021-03-12 01:36:19,154 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 53 transitions, 564 flow [2021-03-12 01:36:19,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 45.42857142857143) internal successors, (318), 7 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,155 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:19,156 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:19,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-12 01:36:19,359 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:19,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:19,359 INFO L82 PathProgramCache]: Analyzing trace with hash 360757596, now seen corresponding path program 10 times [2021-03-12 01:36:19,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:19,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127422697] [2021-03-12 01:36:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:19,420 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 01:36:19,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,424 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-12 01:36:19,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,431 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.0 percent of original size [2021-03-12 01:36:19,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:19,453 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.1 percent of original size [2021-03-12 01:36:19,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:36:19,457 INFO L142 QuantifierPusher]: treesize reduction 19, result has 50.0 percent of original size [2021-03-12 01:36:19,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:19,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:36:19,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127422697] [2021-03-12 01:36:19,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533176036] [2021-03-12 01:36:19,477 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 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 [2021-03-12 01:36:19,517 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:36:19,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:19,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 01:36:19,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:19,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:19,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:19,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:19,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:19,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:19,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:19,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:19,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:19,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:19,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:19,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:36:19,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:19,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:19,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:19,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:19,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:19,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:19,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:19,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:19,576 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 15 treesize of output 11 [2021-03-12 01:36:19,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:19,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 01:36:19,578 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:5 [2021-03-12 01:36:19,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:19,580 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-12 01:36:19,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:19,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:19,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:19,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,588 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:19,589 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,591 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-12 01:36:19,591 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-03-12 01:36:19,592 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:19,592 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:19,593 INFO L142 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size [2021-03-12 01:36:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:36:19,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:19,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-12 01:36:19,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633008722] [2021-03-12 01:36:19,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 01:36:19,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:19,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 01:36:19,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-12 01:36:19,607 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 61 [2021-03-12 01:36:19,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 53 transitions, 564 flow. Second operand has 9 states, 9 states have (on average 38.44444444444444) internal successors, (346), 9 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:19,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 61 [2021-03-12 01:36:19,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:19,761 INFO L129 PetriNetUnfolder]: 218/443 cut-off events. [2021-03-12 01:36:19,761 INFO L130 PetriNetUnfolder]: For 2551/2570 co-relation queries the response was YES. [2021-03-12 01:36:19,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2489 conditions, 443 events. 218/443 cut-off events. For 2551/2570 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1943 event pairs, 10 based on Foata normal form. 53/443 useless extension candidates. Maximal degree in co-relation 1947. Up to 179 conditions per place. [2021-03-12 01:36:19,765 INFO L132 encePairwiseOnDemand]: 54/61 looper letters, 62 selfloop transitions, 31 changer transitions 0/107 dead transitions. [2021-03-12 01:36:19,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 107 transitions, 1418 flow [2021-03-12 01:36:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 01:36:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-12 01:36:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 522 transitions. [2021-03-12 01:36:19,767 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6582597730138714 [2021-03-12 01:36:19,767 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 522 transitions. [2021-03-12 01:36:19,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 522 transitions. [2021-03-12 01:36:19,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:19,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 522 transitions. [2021-03-12 01:36:19,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.15384615384615) internal successors, (522), 13 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 61.0) internal successors, (854), 14 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,769 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 61.0) internal successors, (854), 14 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,769 INFO L185 Difference]: Start difference. First operand has 63 places, 53 transitions, 564 flow. Second operand 13 states and 522 transitions. [2021-03-12 01:36:19,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 107 transitions, 1418 flow [2021-03-12 01:36:19,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 107 transitions, 1008 flow, removed 118 selfloop flow, removed 6 redundant places. [2021-03-12 01:36:19,775 INFO L241 Difference]: Finished difference. Result has 77 places, 69 transitions, 688 flow [2021-03-12 01:36:19,775 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=688, PETRI_PLACES=77, PETRI_TRANSITIONS=69} [2021-03-12 01:36:19,775 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 52 predicate places. [2021-03-12 01:36:19,775 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 69 transitions, 688 flow [2021-03-12 01:36:19,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 38.44444444444444) internal successors, (346), 9 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:19,775 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:19,776 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:19,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:19,983 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:19,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:19,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1510724989, now seen corresponding path program 11 times [2021-03-12 01:36:19,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:19,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371430952] [2021-03-12 01:36:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:19,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:36:20,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:20,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 01:36:20,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371430952] [2021-03-12 01:36:20,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121370508] [2021-03-12 01:36:20,012 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 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 [2021-03-12 01:36:20,059 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-12 01:36:20,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:20,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-12 01:36:20,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:20,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:20,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:20,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:20,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:20,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:20,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:20,086 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-12 01:36:20,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 01:36:20,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-12 01:36:20,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-03-12 01:36:20,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826433282] [2021-03-12 01:36:20,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 01:36:20,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:20,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 01:36:20,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-12 01:36:20,098 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 61 [2021-03-12 01:36:20,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 69 transitions, 688 flow. Second operand has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:20,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:20,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 61 [2021-03-12 01:36:20,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:20,105 INFO L129 PetriNetUnfolder]: 5/38 cut-off events. [2021-03-12 01:36:20,105 INFO L130 PetriNetUnfolder]: For 193/193 co-relation queries the response was YES. [2021-03-12 01:36:20,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 38 events. 5/38 cut-off events. For 193/193 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 2/40 useless extension candidates. Maximal degree in co-relation 173. Up to 9 conditions per place. [2021-03-12 01:36:20,106 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 0 selfloop transitions, 8 changer transitions 0/34 dead transitions. [2021-03-12 01:36:20,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 34 transitions, 344 flow [2021-03-12 01:36:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 01:36:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 01:36:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 216 transitions. [2021-03-12 01:36:20,107 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8852459016393442 [2021-03-12 01:36:20,107 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 216 transitions. [2021-03-12 01:36:20,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 216 transitions. [2021-03-12 01:36:20,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:20,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 216 transitions. [2021-03-12 01:36:20,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 54.0) internal successors, (216), 4 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) [2021-03-12 01:36:20,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:20,108 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:20,108 INFO L185 Difference]: Start difference. First operand has 77 places, 69 transitions, 688 flow. Second operand 4 states and 216 transitions. [2021-03-12 01:36:20,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 34 transitions, 344 flow [2021-03-12 01:36:20,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 34 transitions, 271 flow, removed 9 selfloop flow, removed 17 redundant places. [2021-03-12 01:36:20,110 INFO L241 Difference]: Finished difference. Result has 58 places, 34 transitions, 271 flow [2021-03-12 01:36:20,110 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=271, PETRI_PLACES=58, PETRI_TRANSITIONS=34} [2021-03-12 01:36:20,110 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 33 predicate places. [2021-03-12 01:36:20,110 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 34 transitions, 271 flow [2021-03-12 01:36:20,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:20,110 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:20,110 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:20,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:20,319 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:20,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:20,319 INFO L82 PathProgramCache]: Analyzing trace with hash -973225567, now seen corresponding path program 12 times [2021-03-12 01:36:20,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:20,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060658476] [2021-03-12 01:36:20,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:20,399 INFO L142 QuantifierPusher]: treesize reduction 21, result has 32.3 percent of original size [2021-03-12 01:36:20,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,404 INFO L142 QuantifierPusher]: treesize reduction 21, result has 43.2 percent of original size [2021-03-12 01:36:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:20,411 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-12 01:36:20,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:20,421 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-12 01:36:20,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:36:20,442 INFO L142 QuantifierPusher]: treesize reduction 39, result has 60.6 percent of original size [2021-03-12 01:36:20,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-12 01:36:20,470 INFO L142 QuantifierPusher]: treesize reduction 58, result has 48.7 percent of original size [2021-03-12 01:36:20,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 01:36:20,525 INFO L142 QuantifierPusher]: treesize reduction 38, result has 51.9 percent of original size [2021-03-12 01:36:20,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-12 01:36:20,548 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-03-12 01:36:20,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:20,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:20,573 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-12 01:36:20,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:20,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-12 01:36:20,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:20,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060658476] [2021-03-12 01:36:20,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141379416] [2021-03-12 01:36:20,596 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 [2021-03-12 01:36:20,628 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-12 01:36:20,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:20,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-12 01:36:20,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:20,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:20,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:20,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:20,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:20,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:20,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:20,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:20,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:20,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:20,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:20,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:20,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:20,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:20,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:20,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-12 01:36:20,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 01:36:20,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 01:36:20,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 01:36:20,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-12 01:36:20,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-12 01:36:20,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-12 01:36:20,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-12 01:36:20,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 01:36:20,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:20,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-12 01:36:20,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:20,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-12 01:36:20,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:20,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-12 01:36:20,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:20,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-12 01:36:20,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:36:20,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-12 01:36:20,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 01:36:20,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-12 01:36:20,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:20,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:20,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:20,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:20,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-12 01:36:20,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 01:36:20,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-12 01:36:20,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 01:36:20,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 01:36:20,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 23 [2021-03-12 01:36:20,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,781 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-12 01:36:20,781 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-12 01:36:20,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:20,781 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:20,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:36:20,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 01:36:20,792 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:43 [2021-03-12 01:36:20,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:36:20,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:36:20,812 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-03-12 01:36:20,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:36:20,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 01:36:20,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:20,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-12 01:36:20,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:20,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-12 01:36:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 01:36:20,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-03-12 01:36:20,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,824 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-12 01:36:20,825 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-12 01:36:20,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:20,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:20,828 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-03-12 01:36:20,829 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 23 [2021-03-12 01:36:20,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,829 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-12 01:36:20,830 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-12 01:36:20,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:20,830 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:20,869 INFO L628 ElimStorePlain]: treesize reduction 5, result has 93.9 percent of original size [2021-03-12 01:36:20,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-12 01:36:20,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 01:36:20,870 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:77 [2021-03-12 01:36:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-12 01:36:20,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-12 01:36:20,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-12 01:36:20,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-12 01:36:20,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 01:36:20,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:36:20,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-12 01:36:20,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 01:36:20,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:20,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:36:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-12 01:36:20,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 01:36:20,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-03-12 01:36:20,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:20,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,932 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-03-12 01:36:20,932 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 19 [2021-03-12 01:36:20,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:20,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:20,933 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 01:36:20,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 01:36:20,940 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:97, output treesize:19 [2021-03-12 01:36:20,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:20,962 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-12 01:36:20,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:20,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:20,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:20,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-03-12 01:36:20,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482691546] [2021-03-12 01:36:20,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 01:36:20,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:20,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 01:36:20,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2021-03-12 01:36:20,973 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 61 [2021-03-12 01:36:20,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 34 transitions, 271 flow. Second operand has 20 states, 20 states have (on average 29.3) internal successors, (586), 20 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:20,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:20,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 61 [2021-03-12 01:36:20,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:21,437 INFO L129 PetriNetUnfolder]: 7/44 cut-off events. [2021-03-12 01:36:21,437 INFO L130 PetriNetUnfolder]: For 180/181 co-relation queries the response was YES. [2021-03-12 01:36:21,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 44 events. 7/44 cut-off events. For 180/181 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 0 based on Foata normal form. 2/46 useless extension candidates. Maximal degree in co-relation 191. Up to 11 conditions per place. [2021-03-12 01:36:21,438 INFO L132 encePairwiseOnDemand]: 52/61 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2021-03-12 01:36:21,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 38 transitions, 387 flow [2021-03-12 01:36:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 01:36:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-12 01:36:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 498 transitions. [2021-03-12 01:36:21,439 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4802314368370299 [2021-03-12 01:36:21,439 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 498 transitions. [2021-03-12 01:36:21,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 498 transitions. [2021-03-12 01:36:21,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:21,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 498 transitions. [2021-03-12 01:36:21,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 29.294117647058822) internal successors, (498), 17 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:21,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 61.0) internal successors, (1098), 18 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:21,441 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 61.0) internal successors, (1098), 18 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:21,441 INFO L185 Difference]: Start difference. First operand has 58 places, 34 transitions, 271 flow. Second operand 17 states and 498 transitions. [2021-03-12 01:36:21,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 38 transitions, 387 flow [2021-03-12 01:36:21,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 38 transitions, 377 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-12 01:36:21,443 INFO L241 Difference]: Finished difference. Result has 71 places, 0 transitions, 0 flow [2021-03-12 01:36:21,443 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=0, PETRI_PLACES=71, PETRI_TRANSITIONS=0} [2021-03-12 01:36:21,443 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 46 predicate places. [2021-03-12 01:36:21,443 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 0 transitions, 0 flow [2021-03-12 01:36:21,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 29.3) internal successors, (586), 20 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:21,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-12 01:36:21,655 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 01:36:21 BasicIcfg [2021-03-12 01:36:21,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 01:36:21,656 INFO L168 Benchmark]: Toolchain (without parser) took 6165.42 ms. Allocated memory was 255.9 MB in the beginning and 465.6 MB in the end (delta: 209.7 MB). Free memory was 236.5 MB in the beginning and 447.4 MB in the end (delta: -210.9 MB). Peak memory consumption was 272.5 MB. Max. memory is 16.0 GB. [2021-03-12 01:36:21,656 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 181.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 01:36:21,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.00 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 01:36:21,656 INFO L168 Benchmark]: Boogie Preprocessor took 20.36 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 01:36:21,656 INFO L168 Benchmark]: RCFGBuilder took 276.89 ms. Allocated memory is still 255.9 MB. Free memory was 233.3 MB in the beginning and 231.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. [2021-03-12 01:36:21,656 INFO L168 Benchmark]: TraceAbstraction took 5845.22 ms. Allocated memory was 255.9 MB in the beginning and 465.6 MB in the end (delta: 209.7 MB). Free memory was 231.7 MB in the beginning and 447.4 MB in the end (delta: -215.7 MB). Peak memory consumption was 265.1 MB. Max. memory is 16.0 GB. [2021-03-12 01:36:21,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 181.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.00 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.36 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 276.89 ms. Allocated memory is still 255.9 MB. Free memory was 233.3 MB in the beginning and 231.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5845.22 ms. Allocated memory was 255.9 MB in the beginning and 465.6 MB in the end (delta: 209.7 MB). Free memory was 231.7 MB in the beginning and 447.4 MB in the end (delta: -215.7 MB). Peak memory consumption was 265.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 690.7ms, 44 PlacesBefore, 25 PlacesAfterwards, 37 TransitionsBefore, 18 TransitionsAfterwards, 634 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 19 TotalNumberOfCompositions, 554 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 477, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 391, positive: 380, positive conditional: 0, positive unconditional: 380, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 391, positive: 374, positive conditional: 0, positive unconditional: 374, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 477, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 391, unknown conditional: 0, unknown unconditional: 391] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - PositiveResult [Line: 104]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 5786.6ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 1041.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 750.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 35 SDslu, 81 SDs, 0 SdLazy, 397 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 203.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 151 SyntacticMatches, 12 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 1015.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=13, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 64.2ms SsaConstructionTime, 290.4ms SatisfiabilityAnalysisTime, 1677.0ms InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 434 ConstructedInterpolants, 1 QuantifiedInterpolants, 2388 SizeOfPredicates, 37 NumberOfNonLiveVariables, 1005 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 23 InterpolantComputations, 9 PerfectInterpolantSequences, 78/169 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...