/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 04:30:06,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 04:30:06,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 04:30:06,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 04:30:06,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 04:30:06,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 04:30:06,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 04:30:06,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 04:30:06,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 04:30:06,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 04:30:06,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 04:30:06,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 04:30:06,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 04:30:06,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 04:30:06,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 04:30:06,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 04:30:06,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 04:30:06,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 04:30:06,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 04:30:06,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 04:30:06,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 04:30:06,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 04:30:06,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 04:30:06,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 04:30:06,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 04:30:06,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 04:30:06,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 04:30:06,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 04:30:06,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 04:30:06,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 04:30:06,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 04:30:06,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 04:30:06,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 04:30:06,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 04:30:06,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 04:30:06,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 04:30:06,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 04:30:06,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 04:30:06,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 04:30:06,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 04:30:06,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 04:30:06,767 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 04:30:06,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 04:30:06,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 04:30:06,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 04:30:06,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 04:30:06,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 04:30:06,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 04:30:06,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 04:30:06,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 04:30:06,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 04:30:06,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 04:30:06,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 04:30:06,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 04:30:06,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 04:30:06,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 04:30:06,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 04:30:06,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 04:30:06,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 04:30:06,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 04:30:06,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 04:30:06,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 04:30:06,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 04:30:06,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 04:30:06,774 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 04:30:06,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 04:30:06,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 04:30:06,775 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 04:30:07,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 04:30:07,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 04:30:07,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 04:30:07,112 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 04:30:07,115 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 04:30:07,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl [2021-03-26 04:30:07,116 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl' [2021-03-26 04:30:07,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 04:30:07,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 04:30:07,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 04:30:07,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 04:30:07,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 04:30:07,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 04:30:07,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 04:30:07,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 04:30:07,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 04:30:07,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/1) ... [2021-03-26 04:30:07,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 04:30:07,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 04:30:07,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 04:30:07,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 04:30:07,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (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 [2021-03-26 04:30:07,263 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 04:30:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 04:30:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 04:30:07,264 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 04:30:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 04:30:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 04:30:07,264 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 04:30:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 04:30:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 04:30:07,264 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 04:30:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 04:30:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 04:30:07,265 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 04:30:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 04:30:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 04:30:07,266 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 04:30:07,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 04:30:07,448 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 04:30:07,449 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 04:30:07 BoogieIcfgContainer [2021-03-26 04:30:07,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 04:30:07,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 04:30:07,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 04:30:07,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 04:30:07,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:30:07" (1/2) ... [2021-03-26 04:30:07,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730bbb76 and model type exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 04:30:07, skipping insertion in model container [2021-03-26 04:30:07,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 04:30:07" (2/2) ... [2021-03-26 04:30:07,455 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4.wvr.bpl [2021-03-26 04:30:07,476 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 04:30:07,478 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 04:30:07,479 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 04:30:07,563 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 04:30:07,578 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 04:30:07,595 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 04:30:07,595 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 04:30:07,595 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 04:30:07,595 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 04:30:07,596 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 04:30:07,596 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 04:30:07,596 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 04:30:07,596 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 04:30:07,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 37 transitions, 106 flow [2021-03-26 04:30:07,628 INFO L129 PetriNetUnfolder]: 4/33 cut-off events. [2021-03-26 04:30:07,628 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 04:30:07,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 33 events. 4/33 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2021-03-26 04:30:07,631 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 37 transitions, 106 flow [2021-03-26 04:30:07,635 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 31 transitions, 86 flow [2021-03-26 04:30:07,637 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:07,657 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 31 transitions, 86 flow [2021-03-26 04:30:07,660 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 31 transitions, 86 flow [2021-03-26 04:30:07,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 86 flow [2021-03-26 04:30:07,681 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-03-26 04:30:07,681 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 04:30:07,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 4/31 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 66 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2021-03-26 04:30:07,694 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-26 04:30:07,970 INFO L154 LiptonReduction]: Checked pairs total: 192 [2021-03-26 04:30:07,970 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 04:30:07,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-03-26 04:30:07,994 INFO L129 PetriNetUnfolder]: 4/17 cut-off events. [2021-03-26 04:30:07,994 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 04:30:07,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:07,995 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:07,995 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:08,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:08,001 INFO L82 PathProgramCache]: Analyzing trace with hash 2097664653, now seen corresponding path program 1 times [2021-03-26 04:30:08,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:08,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424507955] [2021-03-26 04:30:08,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:08,142 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 04:30:08,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:08,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424507955] [2021-03-26 04:30:08,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:30:08,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 04:30:08,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763521127] [2021-03-26 04:30:08,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 04:30:08,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:08,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 04:30:08,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 04:30:08,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2021-03-26 04:30:08,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:08,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2021-03-26 04:30:08,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:08,262 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L45-->L45: Formula: (and (= (* v_x4_20 4) v_x4_19) (< v_x4_20 v_n_23)) InVars {n=v_n_23, x4=v_x4_20} OutVars{n=v_n_23, x4=v_x4_19} AuxVars[] AssignedVars[x4][17], [thread4Thread1of1ForFork3InUse, 50#true, 20#L45true, 4#L58true, 21#L18true, thread3Thread1of1ForFork2InUse, 28#L36true, thread2Thread1of1ForFork1InUse, 15#L27true, thread1Thread1of1ForFork0InUse]) [2021-03-26 04:30:08,263 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,263 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,263 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,264 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,270 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L45-->L45: Formula: (and (= (* v_x4_20 4) v_x4_19) (< v_x4_20 v_n_23)) InVars {n=v_n_23, x4=v_x4_20} OutVars{n=v_n_23, x4=v_x4_19} AuxVars[] AssignedVars[x4][17], [thread4Thread1of1ForFork3InUse, 50#true, 20#L45true, 4#L58true, thread3Thread1of1ForFork2InUse, 28#L36true, 12#thread1EXITtrue, thread2Thread1of1ForFork1InUse, 15#L27true, thread1Thread1of1ForFork0InUse]) [2021-03-26 04:30:08,271 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,271 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,271 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,271 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,276 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L45-->thread4EXIT: Formula: (not (< v_x4_17 v_n_15)) InVars {n=v_n_15, x4=v_x4_17} OutVars{n=v_n_15, x4=v_x4_17} AuxVars[] AssignedVars[][18], [thread4Thread1of1ForFork3InUse, 50#true, 4#L58true, 21#L18true, thread3Thread1of1ForFork2InUse, 28#L36true, thread2Thread1of1ForFork1InUse, thread1Thread1of1ForFork0InUse, 15#L27true, 31#thread4EXITtrue]) [2021-03-26 04:30:08,276 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is not cut-off event [2021-03-26 04:30:08,276 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-26 04:30:08,276 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-26 04:30:08,276 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-26 04:30:08,286 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L45-->thread4EXIT: Formula: (not (< v_x4_17 v_n_15)) InVars {n=v_n_15, x4=v_x4_17} OutVars{n=v_n_15, x4=v_x4_17} AuxVars[] AssignedVars[][18], [thread4Thread1of1ForFork3InUse, 50#true, 4#L58true, thread3Thread1of1ForFork2InUse, 12#thread1EXITtrue, 28#L36true, thread2Thread1of1ForFork1InUse, 15#L27true, thread1Thread1of1ForFork0InUse, 31#thread4EXITtrue]) [2021-03-26 04:30:08,286 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-26 04:30:08,286 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 04:30:08,287 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 04:30:08,287 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 04:30:08,299 INFO L129 PetriNetUnfolder]: 163/230 cut-off events. [2021-03-26 04:30:08,299 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-03-26 04:30:08,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 470 conditions, 230 events. 163/230 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 673 event pairs, 29 based on Foata normal form. 1/115 useless extension candidates. Maximal degree in co-relation 444. Up to 176 conditions per place. [2021-03-26 04:30:08,305 INFO L132 encePairwiseOnDemand]: 44/50 looper letters, 13 selfloop transitions, 5 changer transitions 0/26 dead transitions. [2021-03-26 04:30:08,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 26 transitions, 112 flow [2021-03-26 04:30:08,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 04:30:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 04:30:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2021-03-26 04:30:08,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4866666666666667 [2021-03-26 04:30:08,317 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 73 transitions. [2021-03-26 04:30:08,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 73 transitions. [2021-03-26 04:30:08,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:08,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 73 transitions. [2021-03-26 04:30:08,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,329 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,331 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 60 flow. Second operand 3 states and 73 transitions. [2021-03-26 04:30:08,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 26 transitions, 112 flow [2021-03-26 04:30:08,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 26 transitions, 96 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 04:30:08,338 INFO L241 Difference]: Finished difference. Result has 22 places, 22 transitions, 77 flow [2021-03-26 04:30:08,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=44, 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=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=22, PETRI_TRANSITIONS=22} [2021-03-26 04:30:08,340 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -5 predicate places. [2021-03-26 04:30:08,341 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:08,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 22 transitions, 77 flow [2021-03-26 04:30:08,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 22 transitions, 77 flow [2021-03-26 04:30:08,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 22 transitions, 77 flow [2021-03-26 04:30:08,346 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L45-->L45: Formula: (and (= (* v_x4_20 4) v_x4_19) (< v_x4_20 v_n_23)) InVars {n=v_n_23, x4=v_x4_20} OutVars{n=v_n_23, x4=v_x4_19} AuxVars[] AssignedVars[x4][14], [50#true, 4#L58true, 20#L45true, 21#L18true, Black: 52#(and (= x4 x3) (= x2 x1)), 28#L36true, 15#L27true]) [2021-03-26 04:30:08,346 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,346 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,346 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,346 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,351 INFO L129 PetriNetUnfolder]: 19/45 cut-off events. [2021-03-26 04:30:08,351 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 04:30:08,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 45 events. 19/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 52. Up to 22 conditions per place. [2021-03-26 04:30:08,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-26 04:30:08,355 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:08,355 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:08,355 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 04:30:08,358 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 22 transitions, 77 flow [2021-03-26 04:30:08,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:08,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:08,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 04:30:08,359 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:08,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:08,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1879729582, now seen corresponding path program 1 times [2021-03-26 04:30:08,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:08,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504193079] [2021-03-26 04:30:08,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:08,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:08,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504193079] [2021-03-26 04:30:08,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:30:08,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 04:30:08,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880015944] [2021-03-26 04:30:08,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 04:30:08,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:08,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 04:30:08,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 04:30:08,429 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:08,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 22 transitions, 77 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:08,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:08,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:08,505 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L45-->thread4EXIT: Formula: (not (< v_x4_17 v_n_15)) InVars {n=v_n_15, x4=v_x4_17} OutVars{n=v_n_15, x4=v_x4_17} AuxVars[] AssignedVars[][30], [50#true, 4#L58true, 21#L18true, Black: 52#(and (= x4 x3) (= x2 x1)), 55#true, 28#L36true, 31#thread4EXITtrue, 15#L27true]) [2021-03-26 04:30:08,506 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,506 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,506 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,506 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,506 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L45-->L45: Formula: (and (= (* v_x4_20 4) v_x4_19) (< v_x4_20 v_n_23)) InVars {n=v_n_23, x4=v_x4_20} OutVars{n=v_n_23, x4=v_x4_19} AuxVars[] AssignedVars[x4][36], [50#true, 4#L58true, 20#L45true, 21#L18true, Black: 52#(and (= x4 x3) (= x2 x1)), 55#true, 28#L36true, 15#L27true]) [2021-03-26 04:30:08,506 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,506 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,507 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,507 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,513 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([106] thread1EXIT-->L59: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][29], [50#true, 20#L45true, Black: 52#(and (= x4 x3) (= x2 x1)), 22#L59true, 55#true, 28#L36true, 15#L27true]) [2021-03-26 04:30:08,513 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 04:30:08,513 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,513 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,513 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 04:30:08,514 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L45-->thread4EXIT: Formula: (not (< v_x4_17 v_n_15)) InVars {n=v_n_15, x4=v_x4_17} OutVars{n=v_n_15, x4=v_x4_17} AuxVars[] AssignedVars[][30], [50#true, 4#L58true, Black: 52#(and (= x4 x3) (= x2 x1)), 55#true, 28#L36true, 12#thread1EXITtrue, 31#thread4EXITtrue, 15#L27true]) [2021-03-26 04:30:08,514 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 04:30:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 04:30:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,514 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L45-->L45: Formula: (and (= (* v_x4_20 4) v_x4_19) (< v_x4_20 v_n_23)) InVars {n=v_n_23, x4=v_x4_20} OutVars{n=v_n_23, x4=v_x4_19} AuxVars[] AssignedVars[x4][36], [50#true, 20#L45true, 4#L58true, Black: 52#(and (= x4 x3) (= x2 x1)), 55#true, 28#L36true, 12#thread1EXITtrue, 15#L27true]) [2021-03-26 04:30:08,514 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 04:30:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 04:30:08,515 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,515 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,533 INFO L129 PetriNetUnfolder]: 236/344 cut-off events. [2021-03-26 04:30:08,533 INFO L130 PetriNetUnfolder]: For 134/164 co-relation queries the response was YES. [2021-03-26 04:30:08,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 831 conditions, 344 events. 236/344 cut-off events. For 134/164 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1224 event pairs, 14 based on Foata normal form. 16/350 useless extension candidates. Maximal degree in co-relation 773. Up to 148 conditions per place. [2021-03-26 04:30:08,539 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 29 selfloop transitions, 10 changer transitions 0/47 dead transitions. [2021-03-26 04:30:08,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 47 transitions, 236 flow [2021-03-26 04:30:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2021-03-26 04:30:08,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.612 [2021-03-26 04:30:08,543 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 153 transitions. [2021-03-26 04:30:08,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 153 transitions. [2021-03-26 04:30:08,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:08,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 153 transitions. [2021-03-26 04:30:08,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,548 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,548 INFO L185 Difference]: Start difference. First operand has 22 places, 22 transitions, 77 flow. Second operand 5 states and 153 transitions. [2021-03-26 04:30:08,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 47 transitions, 236 flow [2021-03-26 04:30:08,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 47 transitions, 228 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:08,550 INFO L241 Difference]: Finished difference. Result has 27 places, 29 transitions, 137 flow [2021-03-26 04:30:08,550 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=137, PETRI_PLACES=27, PETRI_TRANSITIONS=29} [2021-03-26 04:30:08,551 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2021-03-26 04:30:08,551 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:08,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 29 transitions, 137 flow [2021-03-26 04:30:08,552 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 29 transitions, 137 flow [2021-03-26 04:30:08,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 29 transitions, 137 flow [2021-03-26 04:30:08,566 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L45-->L45: Formula: (and (= (* v_x4_20 4) v_x4_19) (< v_x4_20 v_n_23)) InVars {n=v_n_23, x4=v_x4_20} OutVars{n=v_n_23, x4=v_x4_19} AuxVars[] AssignedVars[x4][23], [4#L58true, 20#L45true, 21#L18true, Black: 52#(and (= x4 x3) (= x2 x1)), 55#true, 28#L36true, Black: 57#(<= x1 x2), Black: 60#(and (<= x1 x2) (<= n x2)), 15#L27true]) [2021-03-26 04:30:08,566 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,567 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 04:30:08,567 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,567 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 04:30:08,570 INFO L129 PetriNetUnfolder]: 48/94 cut-off events. [2021-03-26 04:30:08,570 INFO L130 PetriNetUnfolder]: For 51/69 co-relation queries the response was YES. [2021-03-26 04:30:08,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 94 events. 48/94 cut-off events. For 51/69 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 237 event pairs, 0 based on Foata normal form. 4/86 useless extension candidates. Maximal degree in co-relation 184. Up to 53 conditions per place. [2021-03-26 04:30:08,571 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-26 04:30:08,574 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:08,575 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:08,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-26 04:30:08,576 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 29 transitions, 137 flow [2021-03-26 04:30:08,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,576 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:08,576 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:08,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 04:30:08,576 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:08,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:08,577 INFO L82 PathProgramCache]: Analyzing trace with hash -454139863, now seen corresponding path program 1 times [2021-03-26 04:30:08,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:08,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933505883] [2021-03-26 04:30:08,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:08,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:08,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933505883] [2021-03-26 04:30:08,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:30:08,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 04:30:08,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271070395] [2021-03-26 04:30:08,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 04:30:08,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:08,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 04:30:08,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 04:30:08,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:08,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 29 transitions, 137 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:08,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:08,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:08,694 INFO L129 PetriNetUnfolder]: 252/355 cut-off events. [2021-03-26 04:30:08,694 INFO L130 PetriNetUnfolder]: For 445/485 co-relation queries the response was YES. [2021-03-26 04:30:08,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 355 events. 252/355 cut-off events. For 445/485 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1039 event pairs, 1 based on Foata normal form. 10/341 useless extension candidates. Maximal degree in co-relation 1070. Up to 161 conditions per place. [2021-03-26 04:30:08,698 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 49 selfloop transitions, 10 changer transitions 0/67 dead transitions. [2021-03-26 04:30:08,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 67 transitions, 451 flow [2021-03-26 04:30:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2021-03-26 04:30:08,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.612 [2021-03-26 04:30:08,700 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 153 transitions. [2021-03-26 04:30:08,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 153 transitions. [2021-03-26 04:30:08,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:08,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 153 transitions. [2021-03-26 04:30:08,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,702 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,702 INFO L185 Difference]: Start difference. First operand has 27 places, 29 transitions, 137 flow. Second operand 5 states and 153 transitions. [2021-03-26 04:30:08,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 67 transitions, 451 flow [2021-03-26 04:30:08,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 67 transitions, 451 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 04:30:08,705 INFO L241 Difference]: Finished difference. Result has 33 places, 36 transitions, 202 flow [2021-03-26 04:30:08,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=202, PETRI_PLACES=33, PETRI_TRANSITIONS=36} [2021-03-26 04:30:08,706 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2021-03-26 04:30:08,706 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:08,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 36 transitions, 202 flow [2021-03-26 04:30:08,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 36 transitions, 202 flow [2021-03-26 04:30:08,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 36 transitions, 202 flow [2021-03-26 04:30:08,723 INFO L129 PetriNetUnfolder]: 54/108 cut-off events. [2021-03-26 04:30:08,723 INFO L130 PetriNetUnfolder]: For 93/114 co-relation queries the response was YES. [2021-03-26 04:30:08,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 108 events. 54/108 cut-off events. For 93/114 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 308 event pairs, 0 based on Foata normal form. 4/97 useless extension candidates. Maximal degree in co-relation 274. Up to 59 conditions per place. [2021-03-26 04:30:08,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-26 04:30:08,729 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:08,730 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:08,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-26 04:30:08,734 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 36 transitions, 202 flow [2021-03-26 04:30:08,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:08,735 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:08,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 04:30:08,736 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:08,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1355892576, now seen corresponding path program 1 times [2021-03-26 04:30:08,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:08,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44328158] [2021-03-26 04:30:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:08,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:08,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:08,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44328158] [2021-03-26 04:30:08,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716245615] [2021-03-26 04:30:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:08,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 04:30:08,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:08,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:08,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:08,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:08,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:08,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:08,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:08,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:08,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:08,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:08,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:08,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:08,897 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 04:30:08,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:08,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:08,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:08,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-26 04:30:08,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533799068] [2021-03-26 04:30:08,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 04:30:08,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:08,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 04:30:08,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 04:30:08,916 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:08,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 36 transitions, 202 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:08,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:08,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:08,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:08,994 INFO L129 PetriNetUnfolder]: 345/517 cut-off events. [2021-03-26 04:30:08,994 INFO L130 PetriNetUnfolder]: For 1006/1116 co-relation queries the response was YES. [2021-03-26 04:30:08,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1972 conditions, 517 events. 345/517 cut-off events. For 1006/1116 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 1976 event pairs, 64 based on Foata normal form. 46/553 useless extension candidates. Maximal degree in co-relation 1890. Up to 236 conditions per place. [2021-03-26 04:30:08,999 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 52 selfloop transitions, 10 changer transitions 0/70 dead transitions. [2021-03-26 04:30:08,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 70 transitions, 528 flow [2021-03-26 04:30:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2021-03-26 04:30:09,001 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.616 [2021-03-26 04:30:09,001 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 154 transitions. [2021-03-26 04:30:09,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 154 transitions. [2021-03-26 04:30:09,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:09,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 154 transitions. [2021-03-26 04:30:09,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,003 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,004 INFO L185 Difference]: Start difference. First operand has 33 places, 36 transitions, 202 flow. Second operand 5 states and 154 transitions. [2021-03-26 04:30:09,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 70 transitions, 528 flow [2021-03-26 04:30:09,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 70 transitions, 528 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 04:30:09,007 INFO L241 Difference]: Finished difference. Result has 39 places, 39 transitions, 258 flow [2021-03-26 04:30:09,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=258, PETRI_PLACES=39, PETRI_TRANSITIONS=39} [2021-03-26 04:30:09,007 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 12 predicate places. [2021-03-26 04:30:09,007 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:09,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 39 transitions, 258 flow [2021-03-26 04:30:09,008 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 39 transitions, 258 flow [2021-03-26 04:30:09,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 39 transitions, 258 flow [2021-03-26 04:30:09,018 INFO L129 PetriNetUnfolder]: 67/142 cut-off events. [2021-03-26 04:30:09,019 INFO L130 PetriNetUnfolder]: For 221/245 co-relation queries the response was YES. [2021-03-26 04:30:09,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 142 events. 67/142 cut-off events. For 221/245 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 509 event pairs, 2 based on Foata normal form. 3/127 useless extension candidates. Maximal degree in co-relation 404. Up to 77 conditions per place. [2021-03-26 04:30:09,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 352 [2021-03-26 04:30:09,024 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:09,024 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:09,024 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 04:30:09,025 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 39 transitions, 258 flow [2021-03-26 04:30:09,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:09,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:09,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:09,248 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:09,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:09,248 INFO L82 PathProgramCache]: Analyzing trace with hash -109806349, now seen corresponding path program 2 times [2021-03-26 04:30:09,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:09,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101124939] [2021-03-26 04:30:09,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:09,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:09,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101124939] [2021-03-26 04:30:09,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930055966] [2021-03-26 04:30:09,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:09,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:30:09,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:09,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 04:30:09,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:09,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:09,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:09,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:09,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:09,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:09,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:09,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 04:30:09,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:09,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:09,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-26 04:30:09,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902646855] [2021-03-26 04:30:09,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 04:30:09,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:09,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 04:30:09,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 04:30:09,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:09,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 39 transitions, 258 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:09,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:09,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:09,535 INFO L129 PetriNetUnfolder]: 319/481 cut-off events. [2021-03-26 04:30:09,536 INFO L130 PetriNetUnfolder]: For 1323/1426 co-relation queries the response was YES. [2021-03-26 04:30:09,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2092 conditions, 481 events. 319/481 cut-off events. For 1323/1426 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 1754 event pairs, 37 based on Foata normal form. 31/494 useless extension candidates. Maximal degree in co-relation 2018. Up to 236 conditions per place. [2021-03-26 04:30:09,541 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 63 selfloop transitions, 10 changer transitions 0/81 dead transitions. [2021-03-26 04:30:09,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 81 transitions, 732 flow [2021-03-26 04:30:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2021-03-26 04:30:09,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.612 [2021-03-26 04:30:09,543 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 153 transitions. [2021-03-26 04:30:09,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 153 transitions. [2021-03-26 04:30:09,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:09,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 153 transitions. [2021-03-26 04:30:09,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,547 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,547 INFO L185 Difference]: Start difference. First operand has 39 places, 39 transitions, 258 flow. Second operand 5 states and 153 transitions. [2021-03-26 04:30:09,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 81 transitions, 732 flow [2021-03-26 04:30:09,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 81 transitions, 703 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:09,555 INFO L241 Difference]: Finished difference. Result has 44 places, 42 transitions, 301 flow [2021-03-26 04:30:09,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=301, PETRI_PLACES=44, PETRI_TRANSITIONS=42} [2021-03-26 04:30:09,555 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 17 predicate places. [2021-03-26 04:30:09,556 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:09,556 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 42 transitions, 301 flow [2021-03-26 04:30:09,556 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 42 transitions, 301 flow [2021-03-26 04:30:09,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 42 transitions, 301 flow [2021-03-26 04:30:09,569 INFO L129 PetriNetUnfolder]: 87/168 cut-off events. [2021-03-26 04:30:09,570 INFO L130 PetriNetUnfolder]: For 350/388 co-relation queries the response was YES. [2021-03-26 04:30:09,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 168 events. 87/168 cut-off events. For 350/388 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 533 event pairs, 1 based on Foata normal form. 6/156 useless extension candidates. Maximal degree in co-relation 574. Up to 98 conditions per place. [2021-03-26 04:30:09,573 INFO L142 LiptonReduction]: Number of co-enabled transitions 414 [2021-03-26 04:30:09,576 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:09,576 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:09,576 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 04:30:09,580 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 42 transitions, 301 flow [2021-03-26 04:30:09,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:09,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:09,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:09,796 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:09,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:09,796 INFO L82 PathProgramCache]: Analyzing trace with hash 966607107, now seen corresponding path program 1 times [2021-03-26 04:30:09,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:09,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419111475] [2021-03-26 04:30:09,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:09,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:09,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419111475] [2021-03-26 04:30:09,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:30:09,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 04:30:09,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445730336] [2021-03-26 04:30:09,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 04:30:09,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:09,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 04:30:09,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 04:30:09,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:09,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 42 transitions, 301 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:09,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:09,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:09,899 INFO L129 PetriNetUnfolder]: 307/458 cut-off events. [2021-03-26 04:30:09,899 INFO L130 PetriNetUnfolder]: For 1703/1754 co-relation queries the response was YES. [2021-03-26 04:30:09,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2220 conditions, 458 events. 307/458 cut-off events. For 1703/1754 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1573 event pairs, 1 based on Foata normal form. 19/459 useless extension candidates. Maximal degree in co-relation 2154. Up to 224 conditions per place. [2021-03-26 04:30:09,904 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 62 selfloop transitions, 8 changer transitions 2/80 dead transitions. [2021-03-26 04:30:09,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 80 transitions, 727 flow [2021-03-26 04:30:09,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 152 transitions. [2021-03-26 04:30:09,905 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.608 [2021-03-26 04:30:09,905 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 152 transitions. [2021-03-26 04:30:09,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 152 transitions. [2021-03-26 04:30:09,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:09,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 152 transitions. [2021-03-26 04:30:09,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 30.4) internal successors, (152), 5 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) [2021-03-26 04:30:09,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,907 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,907 INFO L185 Difference]: Start difference. First operand has 44 places, 42 transitions, 301 flow. Second operand 5 states and 152 transitions. [2021-03-26 04:30:09,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 80 transitions, 727 flow [2021-03-26 04:30:09,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 80 transitions, 718 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:09,912 INFO L241 Difference]: Finished difference. Result has 48 places, 41 transitions, 306 flow [2021-03-26 04:30:09,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=306, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2021-03-26 04:30:09,912 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 21 predicate places. [2021-03-26 04:30:09,912 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:09,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 41 transitions, 306 flow [2021-03-26 04:30:09,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 41 transitions, 306 flow [2021-03-26 04:30:09,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 41 transitions, 306 flow [2021-03-26 04:30:09,924 INFO L129 PetriNetUnfolder]: 78/168 cut-off events. [2021-03-26 04:30:09,924 INFO L130 PetriNetUnfolder]: For 358/393 co-relation queries the response was YES. [2021-03-26 04:30:09,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 168 events. 78/168 cut-off events. For 358/393 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 617 event pairs, 3 based on Foata normal form. 6/156 useless extension candidates. Maximal degree in co-relation 550. Up to 92 conditions per place. [2021-03-26 04:30:09,927 INFO L142 LiptonReduction]: Number of co-enabled transitions 414 [2021-03-26 04:30:09,930 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:09,930 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:09,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 04:30:09,931 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 306 flow [2021-03-26 04:30:09,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:09,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:09,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 04:30:09,932 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:09,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:09,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1608369091, now seen corresponding path program 2 times [2021-03-26 04:30:09,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:09,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609186828] [2021-03-26 04:30:09,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:09,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:09,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:09,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:09,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:09,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609186828] [2021-03-26 04:30:09,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:30:09,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 04:30:09,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951761911] [2021-03-26 04:30:09,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 04:30:09,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:09,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 04:30:09,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 04:30:09,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:09,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 306 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:09,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:09,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:09,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:10,072 INFO L129 PetriNetUnfolder]: 373/559 cut-off events. [2021-03-26 04:30:10,072 INFO L130 PetriNetUnfolder]: For 1840/1910 co-relation queries the response was YES. [2021-03-26 04:30:10,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2803 conditions, 559 events. 373/559 cut-off events. For 1840/1910 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2094 event pairs, 42 based on Foata normal form. 31/575 useless extension candidates. Maximal degree in co-relation 2724. Up to 310 conditions per place. [2021-03-26 04:30:10,078 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 66 selfloop transitions, 8 changer transitions 0/82 dead transitions. [2021-03-26 04:30:10,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 82 transitions, 769 flow [2021-03-26 04:30:10,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2021-03-26 04:30:10,080 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.612 [2021-03-26 04:30:10,080 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 153 transitions. [2021-03-26 04:30:10,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 153 transitions. [2021-03-26 04:30:10,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:10,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 153 transitions. [2021-03-26 04:30:10,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,081 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,081 INFO L185 Difference]: Start difference. First operand has 48 places, 41 transitions, 306 flow. Second operand 5 states and 153 transitions. [2021-03-26 04:30:10,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 82 transitions, 769 flow [2021-03-26 04:30:10,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 82 transitions, 760 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:10,086 INFO L241 Difference]: Finished difference. Result has 53 places, 44 transitions, 354 flow [2021-03-26 04:30:10,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=354, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2021-03-26 04:30:10,087 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 26 predicate places. [2021-03-26 04:30:10,087 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:10,087 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 44 transitions, 354 flow [2021-03-26 04:30:10,087 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 44 transitions, 354 flow [2021-03-26 04:30:10,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 44 transitions, 354 flow [2021-03-26 04:30:10,104 INFO L129 PetriNetUnfolder]: 114/210 cut-off events. [2021-03-26 04:30:10,104 INFO L130 PetriNetUnfolder]: For 542/602 co-relation queries the response was YES. [2021-03-26 04:30:10,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 210 events. 114/210 cut-off events. For 542/602 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 735 event pairs, 4 based on Foata normal form. 7/198 useless extension candidates. Maximal degree in co-relation 842. Up to 129 conditions per place. [2021-03-26 04:30:10,107 INFO L142 LiptonReduction]: Number of co-enabled transitions 476 [2021-03-26 04:30:10,112 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:10,112 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:10,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 04:30:10,113 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 354 flow [2021-03-26 04:30:10,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,113 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:10,113 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:10,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 04:30:10,114 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:10,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:10,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1572867492, now seen corresponding path program 2 times [2021-03-26 04:30:10,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:10,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641955688] [2021-03-26 04:30:10,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:10,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:10,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641955688] [2021-03-26 04:30:10,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:30:10,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 04:30:10,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083343780] [2021-03-26 04:30:10,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 04:30:10,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:10,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 04:30:10,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 04:30:10,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:10,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 354 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:10,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:10,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:10,272 INFO L129 PetriNetUnfolder]: 317/530 cut-off events. [2021-03-26 04:30:10,272 INFO L130 PetriNetUnfolder]: For 2588/2616 co-relation queries the response was YES. [2021-03-26 04:30:10,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2577 conditions, 530 events. 317/530 cut-off events. For 2588/2616 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2398 event pairs, 11 based on Foata normal form. 22/545 useless extension candidates. Maximal degree in co-relation 2448. Up to 232 conditions per place. [2021-03-26 04:30:10,278 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 71 selfloop transitions, 9 changer transitions 4/92 dead transitions. [2021-03-26 04:30:10,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 92 transitions, 980 flow [2021-03-26 04:30:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 152 transitions. [2021-03-26 04:30:10,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.608 [2021-03-26 04:30:10,279 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 152 transitions. [2021-03-26 04:30:10,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 152 transitions. [2021-03-26 04:30:10,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:10,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 152 transitions. [2021-03-26 04:30:10,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 30.4) internal successors, (152), 5 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) [2021-03-26 04:30:10,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,281 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,281 INFO L185 Difference]: Start difference. First operand has 53 places, 44 transitions, 354 flow. Second operand 5 states and 152 transitions. [2021-03-26 04:30:10,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 92 transitions, 980 flow [2021-03-26 04:30:10,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 92 transitions, 923 flow, removed 24 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:10,288 INFO L241 Difference]: Finished difference. Result has 57 places, 43 transitions, 352 flow [2021-03-26 04:30:10,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=352, PETRI_PLACES=57, PETRI_TRANSITIONS=43} [2021-03-26 04:30:10,289 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 30 predicate places. [2021-03-26 04:30:10,289 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:10,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 43 transitions, 352 flow [2021-03-26 04:30:10,289 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 43 transitions, 352 flow [2021-03-26 04:30:10,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 43 transitions, 352 flow [2021-03-26 04:30:10,300 INFO L129 PetriNetUnfolder]: 93/170 cut-off events. [2021-03-26 04:30:10,300 INFO L130 PetriNetUnfolder]: For 515/579 co-relation queries the response was YES. [2021-03-26 04:30:10,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 170 events. 93/170 cut-off events. For 515/579 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 523 event pairs, 4 based on Foata normal form. 9/163 useless extension candidates. Maximal degree in co-relation 681. Up to 103 conditions per place. [2021-03-26 04:30:10,303 INFO L142 LiptonReduction]: Number of co-enabled transitions 486 [2021-03-26 04:30:10,307 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:10,307 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:10,307 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 04:30:10,307 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 43 transitions, 352 flow [2021-03-26 04:30:10,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:10,308 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:10,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 04:30:10,308 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:10,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:10,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1157796924, now seen corresponding path program 2 times [2021-03-26 04:30:10,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:10,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875562518] [2021-03-26 04:30:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:10,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:10,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875562518] [2021-03-26 04:30:10,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880848392] [2021-03-26 04:30:10,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:10,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:30:10,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:10,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 04:30:10,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:10,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:10,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:10,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:10,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:10,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:10,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:10,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:10,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:10,444 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 04:30:10,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:10,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:10,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-26 04:30:10,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008162502] [2021-03-26 04:30:10,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 04:30:10,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:10,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 04:30:10,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 04:30:10,455 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:10,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 43 transitions, 352 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:10,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:10,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:10,545 INFO L129 PetriNetUnfolder]: 385/564 cut-off events. [2021-03-26 04:30:10,545 INFO L130 PetriNetUnfolder]: For 2761/2849 co-relation queries the response was YES. [2021-03-26 04:30:10,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3109 conditions, 564 events. 385/564 cut-off events. For 2761/2849 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2117 event pairs, 88 based on Foata normal form. 36/587 useless extension candidates. Maximal degree in co-relation 3036. Up to 315 conditions per place. [2021-03-26 04:30:10,551 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 78 selfloop transitions, 8 changer transitions 0/94 dead transitions. [2021-03-26 04:30:10,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 94 transitions, 970 flow [2021-03-26 04:30:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2021-03-26 04:30:10,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.612 [2021-03-26 04:30:10,553 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 153 transitions. [2021-03-26 04:30:10,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 153 transitions. [2021-03-26 04:30:10,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:10,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 153 transitions. [2021-03-26 04:30:10,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,554 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,554 INFO L185 Difference]: Start difference. First operand has 57 places, 43 transitions, 352 flow. Second operand 5 states and 153 transitions. [2021-03-26 04:30:10,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 94 transitions, 970 flow [2021-03-26 04:30:10,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 94 transitions, 963 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:10,560 INFO L241 Difference]: Finished difference. Result has 62 places, 46 transitions, 399 flow [2021-03-26 04:30:10,560 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=399, PETRI_PLACES=62, PETRI_TRANSITIONS=46} [2021-03-26 04:30:10,561 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 35 predicate places. [2021-03-26 04:30:10,561 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:10,561 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 46 transitions, 399 flow [2021-03-26 04:30:10,561 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 46 transitions, 399 flow [2021-03-26 04:30:10,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 46 transitions, 399 flow [2021-03-26 04:30:10,575 INFO L129 PetriNetUnfolder]: 122/217 cut-off events. [2021-03-26 04:30:10,576 INFO L130 PetriNetUnfolder]: For 664/680 co-relation queries the response was YES. [2021-03-26 04:30:10,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 217 events. 122/217 cut-off events. For 664/680 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 759 event pairs, 12 based on Foata normal form. 2/208 useless extension candidates. Maximal degree in co-relation 988. Up to 133 conditions per place. [2021-03-26 04:30:10,579 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-26 04:30:10,583 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:10,583 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:10,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 04:30:10,584 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 46 transitions, 399 flow [2021-03-26 04:30:10,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:10,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:10,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:10,806 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:10,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash 257956149, now seen corresponding path program 1 times [2021-03-26 04:30:10,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:10,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007031967] [2021-03-26 04:30:10,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:10,841 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:30:10,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:10,849 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:30:10,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,859 INFO L142 QuantifierPusher]: treesize reduction 15, result has 44.4 percent of original size [2021-03-26 04:30:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:10,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:10,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007031967] [2021-03-26 04:30:10,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523592618] [2021-03-26 04:30:10,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:10,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 04:30:10,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:10,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:10,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:10,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:10,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:10,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:10,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:10,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:10,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:10,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:10,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:10,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:10,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:10,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:10,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:10,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:10,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:10,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 04:30:10,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178633610] [2021-03-26 04:30:10,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 04:30:10,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:10,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 04:30:10,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 04:30:10,968 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2021-03-26 04:30:10,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 46 transitions, 399 flow. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:10,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:10,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2021-03-26 04:30:10,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:11,087 INFO L129 PetriNetUnfolder]: 485/732 cut-off events. [2021-03-26 04:30:11,087 INFO L130 PetriNetUnfolder]: For 3411/3519 co-relation queries the response was YES. [2021-03-26 04:30:11,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4202 conditions, 732 events. 485/732 cut-off events. For 3411/3519 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3059 event pairs, 39 based on Foata normal form. 17/736 useless extension candidates. Maximal degree in co-relation 4096. Up to 536 conditions per place. [2021-03-26 04:30:11,095 INFO L132 encePairwiseOnDemand]: 44/50 looper letters, 55 selfloop transitions, 15 changer transitions 0/78 dead transitions. [2021-03-26 04:30:11,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 78 transitions, 810 flow [2021-03-26 04:30:11,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2021-03-26 04:30:11,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.504 [2021-03-26 04:30:11,097 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 126 transitions. [2021-03-26 04:30:11,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 126 transitions. [2021-03-26 04:30:11,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:11,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 126 transitions. [2021-03-26 04:30:11,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,098 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,098 INFO L185 Difference]: Start difference. First operand has 62 places, 46 transitions, 399 flow. Second operand 5 states and 126 transitions. [2021-03-26 04:30:11,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 78 transitions, 810 flow [2021-03-26 04:30:11,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 78 transitions, 793 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:11,107 INFO L241 Difference]: Finished difference. Result has 67 places, 56 transitions, 547 flow [2021-03-26 04:30:11,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=547, PETRI_PLACES=67, PETRI_TRANSITIONS=56} [2021-03-26 04:30:11,107 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 40 predicate places. [2021-03-26 04:30:11,107 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:11,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 56 transitions, 547 flow [2021-03-26 04:30:11,107 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 56 transitions, 547 flow [2021-03-26 04:30:11,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 56 transitions, 547 flow [2021-03-26 04:30:11,125 INFO L129 PetriNetUnfolder]: 137/263 cut-off events. [2021-03-26 04:30:11,126 INFO L130 PetriNetUnfolder]: For 968/1025 co-relation queries the response was YES. [2021-03-26 04:30:11,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1285 conditions, 263 events. 137/263 cut-off events. For 968/1025 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1053 event pairs, 13 based on Foata normal form. 4/253 useless extension candidates. Maximal degree in co-relation 1186. Up to 152 conditions per place. [2021-03-26 04:30:11,130 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 04:30:11,135 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:11,136 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:11,136 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 04:30:11,136 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 56 transitions, 547 flow [2021-03-26 04:30:11,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,136 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:11,136 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:11,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:11,352 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:11,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:11,353 INFO L82 PathProgramCache]: Analyzing trace with hash 502117403, now seen corresponding path program 1 times [2021-03-26 04:30:11,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:11,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922667813] [2021-03-26 04:30:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:11,395 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:30:11,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,404 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:30:11,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,420 INFO L142 QuantifierPusher]: treesize reduction 15, result has 44.4 percent of original size [2021-03-26 04:30:11,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:11,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922667813] [2021-03-26 04:30:11,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914808329] [2021-03-26 04:30:11,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:11,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 04:30:11,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:11,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:11,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:11,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:11,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:11,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:11,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:11,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:11,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:11,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:11,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:11,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 04:30:11,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303707450] [2021-03-26 04:30:11,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 04:30:11,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:11,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 04:30:11,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 04:30:11,540 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2021-03-26 04:30:11,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 56 transitions, 547 flow. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:11,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2021-03-26 04:30:11,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:11,672 INFO L129 PetriNetUnfolder]: 585/872 cut-off events. [2021-03-26 04:30:11,673 INFO L130 PetriNetUnfolder]: For 4783/4947 co-relation queries the response was YES. [2021-03-26 04:30:11,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5244 conditions, 872 events. 585/872 cut-off events. For 4783/4947 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 3662 event pairs, 97 based on Foata normal form. 29/879 useless extension candidates. Maximal degree in co-relation 5128. Up to 677 conditions per place. [2021-03-26 04:30:11,683 INFO L132 encePairwiseOnDemand]: 44/50 looper letters, 65 selfloop transitions, 15 changer transitions 0/88 dead transitions. [2021-03-26 04:30:11,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 88 transitions, 977 flow [2021-03-26 04:30:11,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2021-03-26 04:30:11,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.504 [2021-03-26 04:30:11,684 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 126 transitions. [2021-03-26 04:30:11,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 126 transitions. [2021-03-26 04:30:11,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:11,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 126 transitions. [2021-03-26 04:30:11,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,685 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,685 INFO L185 Difference]: Start difference. First operand has 67 places, 56 transitions, 547 flow. Second operand 5 states and 126 transitions. [2021-03-26 04:30:11,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 88 transitions, 977 flow [2021-03-26 04:30:11,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 88 transitions, 948 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:11,695 INFO L241 Difference]: Finished difference. Result has 72 places, 66 transitions, 683 flow [2021-03-26 04:30:11,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=683, PETRI_PLACES=72, PETRI_TRANSITIONS=66} [2021-03-26 04:30:11,695 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 45 predicate places. [2021-03-26 04:30:11,695 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:11,696 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 66 transitions, 683 flow [2021-03-26 04:30:11,696 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 66 transitions, 683 flow [2021-03-26 04:30:11,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 66 transitions, 683 flow [2021-03-26 04:30:11,718 INFO L129 PetriNetUnfolder]: 149/290 cut-off events. [2021-03-26 04:30:11,718 INFO L130 PetriNetUnfolder]: For 1251/1318 co-relation queries the response was YES. [2021-03-26 04:30:11,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1492 conditions, 290 events. 149/290 cut-off events. For 1251/1318 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1234 event pairs, 13 based on Foata normal form. 5/276 useless extension candidates. Maximal degree in co-relation 1376. Up to 161 conditions per place. [2021-03-26 04:30:11,724 INFO L142 LiptonReduction]: Number of co-enabled transitions 794 [2021-03-26 04:30:11,731 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:11,731 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:11,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 04:30:11,732 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 66 transitions, 683 flow [2021-03-26 04:30:11,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:11,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:11,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:11,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-26 04:30:11,954 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:11,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:11,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1597675855, now seen corresponding path program 2 times [2021-03-26 04:30:11,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:11,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371613364] [2021-03-26 04:30:11,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:11,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:30:11,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:11,976 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:30:11,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:11,984 INFO L142 QuantifierPusher]: treesize reduction 15, result has 44.4 percent of original size [2021-03-26 04:30:11,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:11,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371613364] [2021-03-26 04:30:11,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326738661] [2021-03-26 04:30:11,988 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 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 [2021-03-26 04:30:12,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:30:12,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:12,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 04:30:12,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:12,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:12,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:12,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:12,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:12,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:12,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:12,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:12,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:12,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:12,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 04:30:12,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490826155] [2021-03-26 04:30:12,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 04:30:12,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:12,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 04:30:12,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 04:30:12,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2021-03-26 04:30:12,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 66 transitions, 683 flow. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:12,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2021-03-26 04:30:12,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:12,266 INFO L129 PetriNetUnfolder]: 685/1017 cut-off events. [2021-03-26 04:30:12,266 INFO L130 PetriNetUnfolder]: For 5722/5866 co-relation queries the response was YES. [2021-03-26 04:30:12,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6329 conditions, 1017 events. 685/1017 cut-off events. For 5722/5866 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 4341 event pairs, 109 based on Foata normal form. 13/1014 useless extension candidates. Maximal degree in co-relation 6196. Up to 818 conditions per place. [2021-03-26 04:30:12,278 INFO L132 encePairwiseOnDemand]: 44/50 looper letters, 75 selfloop transitions, 15 changer transitions 0/98 dead transitions. [2021-03-26 04:30:12,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 98 transitions, 1150 flow [2021-03-26 04:30:12,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2021-03-26 04:30:12,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.504 [2021-03-26 04:30:12,280 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 126 transitions. [2021-03-26 04:30:12,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 126 transitions. [2021-03-26 04:30:12,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:12,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 126 transitions. [2021-03-26 04:30:12,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,281 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,281 INFO L185 Difference]: Start difference. First operand has 72 places, 66 transitions, 683 flow. Second operand 5 states and 126 transitions. [2021-03-26 04:30:12,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 98 transitions, 1150 flow [2021-03-26 04:30:12,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 98 transitions, 1121 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:12,295 INFO L241 Difference]: Finished difference. Result has 77 places, 76 transitions, 831 flow [2021-03-26 04:30:12,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=831, PETRI_PLACES=77, PETRI_TRANSITIONS=76} [2021-03-26 04:30:12,296 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 50 predicate places. [2021-03-26 04:30:12,296 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:12,296 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 831 flow [2021-03-26 04:30:12,296 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 76 transitions, 831 flow [2021-03-26 04:30:12,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 831 flow [2021-03-26 04:30:12,321 INFO L129 PetriNetUnfolder]: 169/328 cut-off events. [2021-03-26 04:30:12,321 INFO L130 PetriNetUnfolder]: For 1556/1621 co-relation queries the response was YES. [2021-03-26 04:30:12,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1778 conditions, 328 events. 169/328 cut-off events. For 1556/1621 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1451 event pairs, 11 based on Foata normal form. 5/314 useless extension candidates. Maximal degree in co-relation 1642. Up to 177 conditions per place. [2021-03-26 04:30:12,328 INFO L142 LiptonReduction]: Number of co-enabled transitions 894 [2021-03-26 04:30:12,337 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:12,337 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:12,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 04:30:12,339 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 76 transitions, 831 flow [2021-03-26 04:30:12,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:12,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:12,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:12,560 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:12,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:12,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1068754791, now seen corresponding path program 2 times [2021-03-26 04:30:12,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:12,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645789020] [2021-03-26 04:30:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:12,579 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:30:12,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:30:12,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,594 INFO L142 QuantifierPusher]: treesize reduction 15, result has 44.4 percent of original size [2021-03-26 04:30:12,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:12,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645789020] [2021-03-26 04:30:12,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591270782] [2021-03-26 04:30:12,597 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 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 [2021-03-26 04:30:12,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:30:12,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:12,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 04:30:12,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:12,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:12,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:12,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:12,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:12,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:12,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:12,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:12,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:12,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:12,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:12,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:12,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:12,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 04:30:12,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677957029] [2021-03-26 04:30:12,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 04:30:12,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:12,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 04:30:12,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 04:30:12,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2021-03-26 04:30:12,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 76 transitions, 831 flow. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:12,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2021-03-26 04:30:12,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:12,863 INFO L129 PetriNetUnfolder]: 785/1176 cut-off events. [2021-03-26 04:30:12,863 INFO L130 PetriNetUnfolder]: For 6884/6950 co-relation queries the response was YES. [2021-03-26 04:30:12,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7422 conditions, 1176 events. 785/1176 cut-off events. For 6884/6950 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 5325 event pairs, 121 based on Foata normal form. 12/1175 useless extension candidates. Maximal degree in co-relation 7256. Up to 959 conditions per place. [2021-03-26 04:30:12,878 INFO L132 encePairwiseOnDemand]: 44/50 looper letters, 85 selfloop transitions, 15 changer transitions 0/108 dead transitions. [2021-03-26 04:30:12,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 108 transitions, 1317 flow [2021-03-26 04:30:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 04:30:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 04:30:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2021-03-26 04:30:12,879 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.504 [2021-03-26 04:30:12,879 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 126 transitions. [2021-03-26 04:30:12,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 126 transitions. [2021-03-26 04:30:12,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:12,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 126 transitions. [2021-03-26 04:30:12,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,881 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,881 INFO L185 Difference]: Start difference. First operand has 77 places, 76 transitions, 831 flow. Second operand 5 states and 126 transitions. [2021-03-26 04:30:12,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 108 transitions, 1317 flow [2021-03-26 04:30:12,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 108 transitions, 1272 flow, removed 20 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:12,897 INFO L241 Difference]: Finished difference. Result has 82 places, 86 transitions, 963 flow [2021-03-26 04:30:12,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=963, PETRI_PLACES=82, PETRI_TRANSITIONS=86} [2021-03-26 04:30:12,897 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 55 predicate places. [2021-03-26 04:30:12,897 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:12,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 86 transitions, 963 flow [2021-03-26 04:30:12,898 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 86 transitions, 963 flow [2021-03-26 04:30:12,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 86 transitions, 963 flow [2021-03-26 04:30:12,928 INFO L129 PetriNetUnfolder]: 204/375 cut-off events. [2021-03-26 04:30:12,928 INFO L130 PetriNetUnfolder]: For 2234/2360 co-relation queries the response was YES. [2021-03-26 04:30:12,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2144 conditions, 375 events. 204/375 cut-off events. For 2234/2360 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1586 event pairs, 11 based on Foata normal form. 5/356 useless extension candidates. Maximal degree in co-relation 1991. Up to 206 conditions per place. [2021-03-26 04:30:12,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 1014 [2021-03-26 04:30:12,946 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:12,946 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:12,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 04:30:12,947 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 86 transitions, 963 flow [2021-03-26 04:30:12,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:12,947 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:12,947 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:13,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:13,169 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:13,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:13,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1053928542, now seen corresponding path program 3 times [2021-03-26 04:30:13,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:13,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875473708] [2021-03-26 04:30:13,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:13,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:13,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875473708] [2021-03-26 04:30:13,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929015756] [2021-03-26 04:30:13,198 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 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 [2021-03-26 04:30:13,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 04:30:13,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:13,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:13,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:13,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:13,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:13,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:13,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:13,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:13,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:13,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:13,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:13,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:13,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:13,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:13,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:13,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:13,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:13,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:13,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:13,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:13,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:13,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:13,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:13,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:13,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:13,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:13,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:13,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:13,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:13,310 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 04:30:13,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:30:13,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:13,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:13,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:30:13,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:13,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:13,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:13,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 04:30:13,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127592086] [2021-03-26 04:30:13,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:13,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:13,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:13,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:13,336 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2021-03-26 04:30:13,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 86 transitions, 963 flow. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:13,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:13,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2021-03-26 04:30:13,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:13,666 INFO L129 PetriNetUnfolder]: 1181/1823 cut-off events. [2021-03-26 04:30:13,667 INFO L130 PetriNetUnfolder]: For 13421/13630 co-relation queries the response was YES. [2021-03-26 04:30:13,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11723 conditions, 1823 events. 1181/1823 cut-off events. For 13421/13630 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 9438 event pairs, 199 based on Foata normal form. 107/1914 useless extension candidates. Maximal degree in co-relation 11424. Up to 828 conditions per place. [2021-03-26 04:30:13,698 INFO L132 encePairwiseOnDemand]: 45/50 looper letters, 171 selfloop transitions, 38 changer transitions 0/217 dead transitions. [2021-03-26 04:30:13,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 217 transitions, 2788 flow [2021-03-26 04:30:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:30:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:30:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 279 transitions. [2021-03-26 04:30:13,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.62 [2021-03-26 04:30:13,700 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 279 transitions. [2021-03-26 04:30:13,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 279 transitions. [2021-03-26 04:30:13,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:13,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 279 transitions. [2021-03-26 04:30:13,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 31.0) internal successors, (279), 9 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:13,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 50.0) internal successors, (500), 10 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:13,702 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 50.0) internal successors, (500), 10 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:13,702 INFO L185 Difference]: Start difference. First operand has 82 places, 86 transitions, 963 flow. Second operand 9 states and 279 transitions. [2021-03-26 04:30:13,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 217 transitions, 2788 flow [2021-03-26 04:30:13,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 217 transitions, 2743 flow, removed 20 selfloop flow, removed 1 redundant places. [2021-03-26 04:30:13,737 INFO L241 Difference]: Finished difference. Result has 96 places, 103 transitions, 1304 flow [2021-03-26 04:30:13,737 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1304, PETRI_PLACES=96, PETRI_TRANSITIONS=103} [2021-03-26 04:30:13,737 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 69 predicate places. [2021-03-26 04:30:13,737 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:13,737 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 103 transitions, 1304 flow [2021-03-26 04:30:13,737 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 103 transitions, 1304 flow [2021-03-26 04:30:13,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 103 transitions, 1304 flow [2021-03-26 04:30:13,798 INFO L129 PetriNetUnfolder]: 366/660 cut-off events. [2021-03-26 04:30:13,798 INFO L130 PetriNetUnfolder]: For 6442/6600 co-relation queries the response was YES. [2021-03-26 04:30:13,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4307 conditions, 660 events. 366/660 cut-off events. For 6442/6600 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3182 event pairs, 19 based on Foata normal form. 17/649 useless extension candidates. Maximal degree in co-relation 4085. Up to 385 conditions per place. [2021-03-26 04:30:13,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 1346 [2021-03-26 04:30:13,884 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-26 04:30:13,884 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 04:30:13,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147 [2021-03-26 04:30:13,885 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 103 transitions, 1305 flow [2021-03-26 04:30:13,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:13,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:13,885 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:14,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-26 04:30:14,108 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:14,109 INFO L82 PathProgramCache]: Analyzing trace with hash -356652800, now seen corresponding path program 4 times [2021-03-26 04:30:14,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:14,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186522779] [2021-03-26 04:30:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:14,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:14,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:14,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:14,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186522779] [2021-03-26 04:30:14,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210036612] [2021-03-26 04:30:14,138 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:14,169 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 04:30:14,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:14,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:14,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:14,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:14,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:14,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:14,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:14,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:14,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:14,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:14,193 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 04:30:14,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:14,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:14,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:14,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:14,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:14,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:14,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:14,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:14,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:14,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:14,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:14,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:14,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:14,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:14,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:14,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:14,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:14,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:14,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:14,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:14,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:14,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:14,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 04:30:14,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931183045] [2021-03-26 04:30:14,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:14,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:14,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:14,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:14,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 51 [2021-03-26 04:30:14,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 103 transitions, 1305 flow. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:14,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:14,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 51 [2021-03-26 04:30:14,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:14,738 INFO L129 PetriNetUnfolder]: 1473/2450 cut-off events. [2021-03-26 04:30:14,738 INFO L130 PetriNetUnfolder]: For 29107/29300 co-relation queries the response was YES. [2021-03-26 04:30:14,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16630 conditions, 2450 events. 1473/2450 cut-off events. For 29107/29300 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 15056 event pairs, 72 based on Foata normal form. 120/2562 useless extension candidates. Maximal degree in co-relation 16088. Up to 1030 conditions per place. [2021-03-26 04:30:14,773 INFO L132 encePairwiseOnDemand]: 46/51 looper letters, 266 selfloop transitions, 64 changer transitions 8/346 dead transitions. [2021-03-26 04:30:14,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 346 transitions, 4687 flow [2021-03-26 04:30:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 04:30:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 04:30:14,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 397 transitions. [2021-03-26 04:30:14,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5987933634992458 [2021-03-26 04:30:14,775 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 397 transitions. [2021-03-26 04:30:14,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 397 transitions. [2021-03-26 04:30:14,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:14,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 397 transitions. [2021-03-26 04:30:14,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 30.53846153846154) internal successors, (397), 13 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:14,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:14,778 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:14,778 INFO L185 Difference]: Start difference. First operand has 96 places, 103 transitions, 1305 flow. Second operand 13 states and 397 transitions. [2021-03-26 04:30:14,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 346 transitions, 4687 flow [2021-03-26 04:30:14,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 346 transitions, 4575 flow, removed 56 selfloop flow, removed 0 redundant places. [2021-03-26 04:30:14,858 INFO L241 Difference]: Finished difference. Result has 111 places, 132 transitions, 1869 flow [2021-03-26 04:30:14,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1869, PETRI_PLACES=111, PETRI_TRANSITIONS=132} [2021-03-26 04:30:14,859 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 84 predicate places. [2021-03-26 04:30:14,859 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:14,859 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 132 transitions, 1869 flow [2021-03-26 04:30:14,859 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 132 transitions, 1869 flow [2021-03-26 04:30:14,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 132 transitions, 1869 flow [2021-03-26 04:30:14,934 INFO L129 PetriNetUnfolder]: 432/808 cut-off events. [2021-03-26 04:30:14,934 INFO L130 PetriNetUnfolder]: For 9367/9682 co-relation queries the response was YES. [2021-03-26 04:30:14,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5220 conditions, 808 events. 432/808 cut-off events. For 9367/9682 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4348 event pairs, 28 based on Foata normal form. 25/800 useless extension candidates. Maximal degree in co-relation 4919. Up to 468 conditions per place. [2021-03-26 04:30:14,954 INFO L142 LiptonReduction]: Number of co-enabled transitions 1972 [2021-03-26 04:30:14,971 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:14,972 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:14,973 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-03-26 04:30:14,975 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 132 transitions, 1869 flow [2021-03-26 04:30:14,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:14,975 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:14,976 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:15,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 04:30:15,199 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:15,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:15,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1384096838, now seen corresponding path program 5 times [2021-03-26 04:30:15,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:15,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920230859] [2021-03-26 04:30:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:15,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:15,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:15,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:15,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920230859] [2021-03-26 04:30:15,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409117980] [2021-03-26 04:30:15,227 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 04:30:15,267 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 04:30:15,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:15,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:15,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:15,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:15,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:15,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:15,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:15,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:15,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:15,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:15,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:15,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:15,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:15,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:15,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:15,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:15,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:15,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:15,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:15,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:15,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:15,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:15,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:15,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:15,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:15,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:15,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:15,319 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-26 04:30:15,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:15,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:15,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:15,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:30:15,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:15,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:15,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:15,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:15,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564075878] [2021-03-26 04:30:15,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:15,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:15,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:15,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:15,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 51 [2021-03-26 04:30:15,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 132 transitions, 1869 flow. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:15,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:15,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 51 [2021-03-26 04:30:15,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:15,717 INFO L129 PetriNetUnfolder]: 1585/2569 cut-off events. [2021-03-26 04:30:15,718 INFO L130 PetriNetUnfolder]: For 32038/32197 co-relation queries the response was YES. [2021-03-26 04:30:15,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18598 conditions, 2569 events. 1585/2569 cut-off events. For 32038/32197 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 15109 event pairs, 261 based on Foata normal form. 64/2619 useless extension candidates. Maximal degree in co-relation 18080. Up to 1128 conditions per place. [2021-03-26 04:30:15,752 INFO L132 encePairwiseOnDemand]: 46/51 looper letters, 171 selfloop transitions, 57 changer transitions 0/236 dead transitions. [2021-03-26 04:30:15,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 236 transitions, 3472 flow [2021-03-26 04:30:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:30:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:30:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 251 transitions. [2021-03-26 04:30:15,754 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6151960784313726 [2021-03-26 04:30:15,754 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 251 transitions. [2021-03-26 04:30:15,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 251 transitions. [2021-03-26 04:30:15,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:15,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 251 transitions. [2021-03-26 04:30:15,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:15,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 51.0) internal successors, (459), 9 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:15,756 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 51.0) internal successors, (459), 9 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:15,756 INFO L185 Difference]: Start difference. First operand has 111 places, 132 transitions, 1869 flow. Second operand 8 states and 251 transitions. [2021-03-26 04:30:15,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 236 transitions, 3472 flow [2021-03-26 04:30:15,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 236 transitions, 3181 flow, removed 124 selfloop flow, removed 2 redundant places. [2021-03-26 04:30:15,860 INFO L241 Difference]: Finished difference. Result has 119 places, 138 transitions, 1880 flow [2021-03-26 04:30:15,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=1616, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1880, PETRI_PLACES=119, PETRI_TRANSITIONS=138} [2021-03-26 04:30:15,861 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 92 predicate places. [2021-03-26 04:30:15,861 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:15,861 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 138 transitions, 1880 flow [2021-03-26 04:30:15,861 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 138 transitions, 1880 flow [2021-03-26 04:30:15,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 138 transitions, 1880 flow [2021-03-26 04:30:15,942 INFO L129 PetriNetUnfolder]: 461/906 cut-off events. [2021-03-26 04:30:15,942 INFO L130 PetriNetUnfolder]: For 8650/8835 co-relation queries the response was YES. [2021-03-26 04:30:15,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5643 conditions, 906 events. 461/906 cut-off events. For 8650/8835 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5302 event pairs, 33 based on Foata normal form. 25/903 useless extension candidates. Maximal degree in co-relation 5302. Up to 507 conditions per place. [2021-03-26 04:30:15,963 INFO L142 LiptonReduction]: Number of co-enabled transitions 2090 [2021-03-26 04:30:15,970 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:15,971 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:15,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 04:30:15,972 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 138 transitions, 1880 flow [2021-03-26 04:30:15,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:15,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:15,972 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:16,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-26 04:30:16,188 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:16,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:16,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1923431144, now seen corresponding path program 6 times [2021-03-26 04:30:16,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:16,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754196906] [2021-03-26 04:30:16,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:16,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:16,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754196906] [2021-03-26 04:30:16,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657835949] [2021-03-26 04:30:16,210 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 04:30:16,249 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 04:30:16,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:16,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:16,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:16,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:16,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:16,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:16,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:16,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:16,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:16,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:16,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:16,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:16,282 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 04:30:16,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:16,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:16,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 04:30:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:16,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:16,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:16,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:16,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:16,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:16,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:16,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:16,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:16,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:16,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542859277] [2021-03-26 04:30:16,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:16,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:16,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:16,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:16,332 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 51 [2021-03-26 04:30:16,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 138 transitions, 1880 flow. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:16,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:16,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 51 [2021-03-26 04:30:16,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:16,714 INFO L129 PetriNetUnfolder]: 1485/2456 cut-off events. [2021-03-26 04:30:16,714 INFO L130 PetriNetUnfolder]: For 26556/26807 co-relation queries the response was YES. [2021-03-26 04:30:16,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16328 conditions, 2456 events. 1485/2456 cut-off events. For 26556/26807 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 15261 event pairs, 61 based on Foata normal form. 74/2518 useless extension candidates. Maximal degree in co-relation 15796. Up to 1044 conditions per place. [2021-03-26 04:30:16,744 INFO L132 encePairwiseOnDemand]: 46/51 looper letters, 211 selfloop transitions, 42 changer transitions 16/277 dead transitions. [2021-03-26 04:30:16,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 277 transitions, 3822 flow [2021-03-26 04:30:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 04:30:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 04:30:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 304 transitions. [2021-03-26 04:30:16,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.596078431372549 [2021-03-26 04:30:16,747 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 304 transitions. [2021-03-26 04:30:16,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 304 transitions. [2021-03-26 04:30:16,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:16,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 304 transitions. [2021-03-26 04:30:16,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 30.4) internal successors, (304), 10 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:16,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 51.0) internal successors, (561), 11 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:16,750 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 51.0) internal successors, (561), 11 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:16,750 INFO L185 Difference]: Start difference. First operand has 119 places, 138 transitions, 1880 flow. Second operand 10 states and 304 transitions. [2021-03-26 04:30:16,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 277 transitions, 3822 flow [2021-03-26 04:30:16,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 277 transitions, 3738 flow, removed 31 selfloop flow, removed 2 redundant places. [2021-03-26 04:30:16,824 INFO L241 Difference]: Finished difference. Result has 128 places, 135 transitions, 1841 flow [2021-03-26 04:30:16,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=1709, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1841, PETRI_PLACES=128, PETRI_TRANSITIONS=135} [2021-03-26 04:30:16,825 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 101 predicate places. [2021-03-26 04:30:16,825 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:16,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 135 transitions, 1841 flow [2021-03-26 04:30:16,825 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 135 transitions, 1841 flow [2021-03-26 04:30:16,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 135 transitions, 1841 flow [2021-03-26 04:30:16,896 INFO L129 PetriNetUnfolder]: 444/886 cut-off events. [2021-03-26 04:30:16,896 INFO L130 PetriNetUnfolder]: For 8131/8260 co-relation queries the response was YES. [2021-03-26 04:30:16,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5500 conditions, 886 events. 444/886 cut-off events. For 8131/8260 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5276 event pairs, 45 based on Foata normal form. 15/882 useless extension candidates. Maximal degree in co-relation 5168. Up to 469 conditions per place. [2021-03-26 04:30:16,909 INFO L142 LiptonReduction]: Number of co-enabled transitions 2070 [2021-03-26 04:30:16,916 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:16,917 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:16,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-03-26 04:30:16,917 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 135 transitions, 1841 flow [2021-03-26 04:30:16,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:16,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:16,918 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:17,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-26 04:30:17,132 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:17,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:17,132 INFO L82 PathProgramCache]: Analyzing trace with hash -543115751, now seen corresponding path program 3 times [2021-03-26 04:30:17,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:17,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256406622] [2021-03-26 04:30:17,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:17,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:17,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:17,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:17,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:17,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256406622] [2021-03-26 04:30:17,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056761517] [2021-03-26 04:30:17,168 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:17,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 04:30:17,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:17,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:17,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:17,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:17,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:17,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:17,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:17,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:17,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:17,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:17,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:17,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:17,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:17,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:17,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:17,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:17,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:17,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:17,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:17,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:17,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:17,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:17,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:17,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:17,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:17,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:17,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:17,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:17,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:17,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:17,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:17,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:17,266 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 04:30:17,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:30:17,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:17,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:17,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:30:17,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:17,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:17,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:17,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 04:30:17,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515373287] [2021-03-26 04:30:17,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:17,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:17,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:17,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:17,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 51 [2021-03-26 04:30:17,287 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 135 transitions, 1841 flow. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:17,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:17,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 51 [2021-03-26 04:30:17,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:18,020 INFO L129 PetriNetUnfolder]: 3025/4548 cut-off events. [2021-03-26 04:30:18,020 INFO L130 PetriNetUnfolder]: For 59400/59543 co-relation queries the response was YES. [2021-03-26 04:30:18,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34048 conditions, 4548 events. 3025/4548 cut-off events. For 59400/59543 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 25094 event pairs, 253 based on Foata normal form. 264/4792 useless extension candidates. Maximal degree in co-relation 33462. Up to 2366 conditions per place. [2021-03-26 04:30:18,139 INFO L132 encePairwiseOnDemand]: 46/51 looper letters, 528 selfloop transitions, 38 changer transitions 0/574 dead transitions. [2021-03-26 04:30:18,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 574 transitions, 9236 flow [2021-03-26 04:30:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:30:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:30:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 287 transitions. [2021-03-26 04:30:18,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6252723311546841 [2021-03-26 04:30:18,142 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 287 transitions. [2021-03-26 04:30:18,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 287 transitions. [2021-03-26 04:30:18,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:18,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 287 transitions. [2021-03-26 04:30:18,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 31.88888888888889) internal successors, (287), 9 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:18,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 51.0) internal successors, (510), 10 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:18,153 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 51.0) internal successors, (510), 10 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:18,153 INFO L185 Difference]: Start difference. First operand has 128 places, 135 transitions, 1841 flow. Second operand 9 states and 287 transitions. [2021-03-26 04:30:18,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 574 transitions, 9236 flow [2021-03-26 04:30:18,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 574 transitions, 8980 flow, removed 60 selfloop flow, removed 3 redundant places. [2021-03-26 04:30:18,254 INFO L241 Difference]: Finished difference. Result has 140 places, 152 transitions, 2153 flow [2021-03-26 04:30:18,254 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=1784, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2153, PETRI_PLACES=140, PETRI_TRANSITIONS=152} [2021-03-26 04:30:18,255 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 113 predicate places. [2021-03-26 04:30:18,255 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:18,255 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 152 transitions, 2153 flow [2021-03-26 04:30:18,255 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 152 transitions, 2153 flow [2021-03-26 04:30:18,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 152 transitions, 2153 flow [2021-03-26 04:30:18,455 INFO L129 PetriNetUnfolder]: 987/1993 cut-off events. [2021-03-26 04:30:18,455 INFO L130 PetriNetUnfolder]: For 24213/24566 co-relation queries the response was YES. [2021-03-26 04:30:18,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13348 conditions, 1993 events. 987/1993 cut-off events. For 24213/24566 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 14193 event pairs, 57 based on Foata normal form. 52/1969 useless extension candidates. Maximal degree in co-relation 12828. Up to 1143 conditions per place. [2021-03-26 04:30:18,488 INFO L142 LiptonReduction]: Number of co-enabled transitions 3276 [2021-03-26 04:30:18,596 INFO L154 LiptonReduction]: Checked pairs total: 30 [2021-03-26 04:30:18,596 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 04:30:18,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 341 [2021-03-26 04:30:18,596 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 152 transitions, 2154 flow [2021-03-26 04:30:18,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:18,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:18,597 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:18,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-26 04:30:18,812 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:18,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:18,812 INFO L82 PathProgramCache]: Analyzing trace with hash -2035585377, now seen corresponding path program 4 times [2021-03-26 04:30:18,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:18,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710490461] [2021-03-26 04:30:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:18,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:18,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:18,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710490461] [2021-03-26 04:30:18,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287744027] [2021-03-26 04:30:18,876 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:18,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 04:30:18,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:18,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:18,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:18,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:18,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:18,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:18,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:18,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:18,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:18,928 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 04:30:18,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:18,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:18,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:18,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:18,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:18,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:18,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:18,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:18,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:18,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:18,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:18,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:18,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:18,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:18,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:18,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:18,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:18,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:18,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:18,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:18,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:18,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:18,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:18,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:18,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:18,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 04:30:18,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333029832] [2021-03-26 04:30:18,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:18,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:18,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:18,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:18,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 52 [2021-03-26 04:30:18,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 152 transitions, 2154 flow. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:18,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:18,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 52 [2021-03-26 04:30:18,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:19,951 INFO L129 PetriNetUnfolder]: 4183/6253 cut-off events. [2021-03-26 04:30:19,951 INFO L130 PetriNetUnfolder]: For 106472/106538 co-relation queries the response was YES. [2021-03-26 04:30:19,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53831 conditions, 6253 events. 4183/6253 cut-off events. For 106472/106538 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 35239 event pairs, 3 based on Foata normal form. 175/6403 useless extension candidates. Maximal degree in co-relation 53066. Up to 3278 conditions per place. [2021-03-26 04:30:20,019 INFO L132 encePairwiseOnDemand]: 47/52 looper letters, 741 selfloop transitions, 64 changer transitions 28/841 dead transitions. [2021-03-26 04:30:20,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 841 transitions, 13449 flow [2021-03-26 04:30:20,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 04:30:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 04:30:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 409 transitions. [2021-03-26 04:30:20,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6050295857988166 [2021-03-26 04:30:20,021 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 409 transitions. [2021-03-26 04:30:20,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 409 transitions. [2021-03-26 04:30:20,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:20,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 409 transitions. [2021-03-26 04:30:20,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.46153846153846) internal successors, (409), 13 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:20,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 52.0) internal successors, (728), 14 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:20,023 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 52.0) internal successors, (728), 14 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:20,023 INFO L185 Difference]: Start difference. First operand has 140 places, 152 transitions, 2154 flow. Second operand 13 states and 409 transitions. [2021-03-26 04:30:20,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 841 transitions, 13449 flow [2021-03-26 04:30:20,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 841 transitions, 13305 flow, removed 72 selfloop flow, removed 0 redundant places. [2021-03-26 04:30:20,319 INFO L241 Difference]: Finished difference. Result has 155 places, 181 transitions, 2728 flow [2021-03-26 04:30:20,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=2082, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2728, PETRI_PLACES=155, PETRI_TRANSITIONS=181} [2021-03-26 04:30:20,320 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 128 predicate places. [2021-03-26 04:30:20,320 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:20,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 155 places, 181 transitions, 2728 flow [2021-03-26 04:30:20,320 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 155 places, 181 transitions, 2728 flow [2021-03-26 04:30:20,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 181 transitions, 2728 flow [2021-03-26 04:30:20,596 INFO L129 PetriNetUnfolder]: 1284/2558 cut-off events. [2021-03-26 04:30:20,597 INFO L130 PetriNetUnfolder]: For 35156/35825 co-relation queries the response was YES. [2021-03-26 04:30:20,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18342 conditions, 2558 events. 1284/2558 cut-off events. For 35156/35825 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 18938 event pairs, 194 based on Foata normal form. 91/2557 useless extension candidates. Maximal degree in co-relation 17630. Up to 1499 conditions per place. [2021-03-26 04:30:20,650 INFO L142 LiptonReduction]: Number of co-enabled transitions 5434 [2021-03-26 04:30:20,693 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:20,693 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:20,693 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 373 [2021-03-26 04:30:20,694 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 181 transitions, 2728 flow [2021-03-26 04:30:20,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:20,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:20,694 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:20,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:20,916 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:20,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:20,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1322260753, now seen corresponding path program 5 times [2021-03-26 04:30:20,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:20,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591124470] [2021-03-26 04:30:20,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:20,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:20,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:20,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:20,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591124470] [2021-03-26 04:30:20,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95094684] [2021-03-26 04:30:20,951 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:20,977 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 04:30:20,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:20,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:20,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:20,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:20,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:20,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:20,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:20,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:20,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:20,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:20,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:20,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:20,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:21,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:21,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:21,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:21,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:21,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:21,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:21,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:21,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:21,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:21,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:21,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:21,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:21,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:21,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:21,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:21,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:21,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:21,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:21,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:21,038 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-26 04:30:21,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:21,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:21,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:21,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:30:21,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:21,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:21,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:21,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:21,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137854841] [2021-03-26 04:30:21,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:21,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:21,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:21,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:21,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 52 [2021-03-26 04:30:21,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 181 transitions, 2728 flow. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:21,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:21,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 52 [2021-03-26 04:30:21,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:22,048 INFO L129 PetriNetUnfolder]: 4551/6888 cut-off events. [2021-03-26 04:30:22,049 INFO L130 PetriNetUnfolder]: For 119175/119241 co-relation queries the response was YES. [2021-03-26 04:30:22,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60783 conditions, 6888 events. 4551/6888 cut-off events. For 119175/119241 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 40767 event pairs, 185 based on Foata normal form. 84/6954 useless extension candidates. Maximal degree in co-relation 59866. Up to 3614 conditions per place. [2021-03-26 04:30:22,112 INFO L132 encePairwiseOnDemand]: 47/52 looper letters, 468 selfloop transitions, 57 changer transitions 0/533 dead transitions. [2021-03-26 04:30:22,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 533 transitions, 8640 flow [2021-03-26 04:30:22,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:30:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:30:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 258 transitions. [2021-03-26 04:30:22,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6201923076923077 [2021-03-26 04:30:22,113 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 258 transitions. [2021-03-26 04:30:22,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 258 transitions. [2021-03-26 04:30:22,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:22,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 258 transitions. [2021-03-26 04:30:22,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 32.25) internal successors, (258), 8 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:22,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 52.0) internal successors, (468), 9 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:22,115 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 52.0) internal successors, (468), 9 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:22,115 INFO L185 Difference]: Start difference. First operand has 155 places, 181 transitions, 2728 flow. Second operand 8 states and 258 transitions. [2021-03-26 04:30:22,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 533 transitions, 8640 flow [2021-03-26 04:30:22,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 533 transitions, 8361 flow, removed 131 selfloop flow, removed 2 redundant places. [2021-03-26 04:30:22,801 INFO L241 Difference]: Finished difference. Result has 163 places, 187 transitions, 2752 flow [2021-03-26 04:30:22,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=2487, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2752, PETRI_PLACES=163, PETRI_TRANSITIONS=187} [2021-03-26 04:30:22,802 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 136 predicate places. [2021-03-26 04:30:22,802 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:22,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 187 transitions, 2752 flow [2021-03-26 04:30:22,802 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 187 transitions, 2752 flow [2021-03-26 04:30:22,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 187 transitions, 2752 flow [2021-03-26 04:30:23,059 INFO L129 PetriNetUnfolder]: 1405/2779 cut-off events. [2021-03-26 04:30:23,059 INFO L130 PetriNetUnfolder]: For 34950/35614 co-relation queries the response was YES. [2021-03-26 04:30:23,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18960 conditions, 2779 events. 1405/2779 cut-off events. For 34950/35614 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 20734 event pairs, 242 based on Foata normal form. 88/2762 useless extension candidates. Maximal degree in co-relation 18197. Up to 1665 conditions per place. [2021-03-26 04:30:23,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 5794 [2021-03-26 04:30:23,125 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:23,126 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:23,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 324 [2021-03-26 04:30:23,126 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 187 transitions, 2752 flow [2021-03-26 04:30:23,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:23,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:23,127 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:23,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:23,336 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:23,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:23,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1349196759, now seen corresponding path program 6 times [2021-03-26 04:30:23,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:23,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475676033] [2021-03-26 04:30:23,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:23,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:23,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:23,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475676033] [2021-03-26 04:30:23,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485221989] [2021-03-26 04:30:23,367 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:23,393 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 04:30:23,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:23,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:23,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:23,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:23,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:23,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:23,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:23,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:23,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:23,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:23,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:23,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:23,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:23,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:23,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:23,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:23,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:23,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:23,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:23,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:23,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:23,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:23,433 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 04:30:23,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:23,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:23,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:23,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 04:30:23,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:23,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:23,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:23,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:23,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:23,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:23,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:23,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:23,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:23,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:23,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:23,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:23,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:23,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129588509] [2021-03-26 04:30:23,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:23,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:23,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:23,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:23,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 52 [2021-03-26 04:30:23,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 187 transitions, 2752 flow. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:23,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:23,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 52 [2021-03-26 04:30:23,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:24,369 INFO L129 PetriNetUnfolder]: 4225/6271 cut-off events. [2021-03-26 04:30:24,370 INFO L130 PetriNetUnfolder]: For 99797/99863 co-relation queries the response was YES. [2021-03-26 04:30:24,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52520 conditions, 6271 events. 4225/6271 cut-off events. For 99797/99863 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 35318 event pairs, 5 based on Foata normal form. 49/6295 useless extension candidates. Maximal degree in co-relation 51818. Up to 3316 conditions per place. [2021-03-26 04:30:24,509 INFO L132 encePairwiseOnDemand]: 47/52 looper letters, 575 selfloop transitions, 42 changer transitions 26/651 dead transitions. [2021-03-26 04:30:24,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 651 transitions, 10397 flow [2021-03-26 04:30:24,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 04:30:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 04:30:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions. [2021-03-26 04:30:24,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6019230769230769 [2021-03-26 04:30:24,512 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 313 transitions. [2021-03-26 04:30:24,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 313 transitions. [2021-03-26 04:30:24,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:24,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 313 transitions. [2021-03-26 04:30:24,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:24,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 52.0) internal successors, (572), 11 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:24,514 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 52.0) internal successors, (572), 11 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:24,514 INFO L185 Difference]: Start difference. First operand has 163 places, 187 transitions, 2752 flow. Second operand 10 states and 313 transitions. [2021-03-26 04:30:24,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 651 transitions, 10397 flow [2021-03-26 04:30:24,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 651 transitions, 10311 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-26 04:30:24,780 INFO L241 Difference]: Finished difference. Result has 172 places, 184 transitions, 2720 flow [2021-03-26 04:30:24,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=2585, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2720, PETRI_PLACES=172, PETRI_TRANSITIONS=184} [2021-03-26 04:30:24,780 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 145 predicate places. [2021-03-26 04:30:24,780 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:24,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 184 transitions, 2720 flow [2021-03-26 04:30:24,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 184 transitions, 2720 flow [2021-03-26 04:30:24,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 184 transitions, 2720 flow [2021-03-26 04:30:24,977 INFO L129 PetriNetUnfolder]: 1302/2494 cut-off events. [2021-03-26 04:30:24,977 INFO L130 PetriNetUnfolder]: For 31822/32388 co-relation queries the response was YES. [2021-03-26 04:30:24,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17271 conditions, 2494 events. 1302/2494 cut-off events. For 31822/32388 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 17549 event pairs, 183 based on Foata normal form. 69/2460 useless extension candidates. Maximal degree in co-relation 16589. Up to 1513 conditions per place. [2021-03-26 04:30:25,100 INFO L142 LiptonReduction]: Number of co-enabled transitions 5786 [2021-03-26 04:30:25,109 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:25,109 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:25,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-03-26 04:30:25,110 INFO L480 AbstractCegarLoop]: Abstraction has has 172 places, 184 transitions, 2720 flow [2021-03-26 04:30:25,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:25,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:25,111 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:25,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-26 04:30:25,311 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:25,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:25,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1868897463, now seen corresponding path program 7 times [2021-03-26 04:30:25,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:25,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780233816] [2021-03-26 04:30:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:25,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:25,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:25,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:25,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780233816] [2021-03-26 04:30:25,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419811893] [2021-03-26 04:30:25,349 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:25,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:25,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:25,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:25,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:25,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:25,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:25,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:25,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:25,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:25,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:25,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:25,402 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 04:30:25,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:25,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:25,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:25,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:25,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:25,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:25,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:25,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:25,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:25,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:25,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:25,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:25,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:25,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:25,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:25,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:25,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:25,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:25,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:25,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:25,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:25,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:25,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:25,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 04:30:25,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538567216] [2021-03-26 04:30:25,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:25,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:25,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:25,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:25,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 52 [2021-03-26 04:30:25,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 184 transitions, 2720 flow. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:25,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:25,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 52 [2021-03-26 04:30:25,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:26,579 INFO L129 PetriNetUnfolder]: 4626/7026 cut-off events. [2021-03-26 04:30:26,579 INFO L130 PetriNetUnfolder]: For 112353/112468 co-relation queries the response was YES. [2021-03-26 04:30:26,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58964 conditions, 7026 events. 4626/7026 cut-off events. For 112353/112468 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 41535 event pairs, 5 based on Foata normal form. 97/7097 useless extension candidates. Maximal degree in co-relation 58060. Up to 3662 conditions per place. [2021-03-26 04:30:26,654 INFO L132 encePairwiseOnDemand]: 46/52 looper letters, 734 selfloop transitions, 73 changer transitions 32/847 dead transitions. [2021-03-26 04:30:26,654 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 847 transitions, 13582 flow [2021-03-26 04:30:26,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 04:30:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 04:30:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 409 transitions. [2021-03-26 04:30:26,655 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6050295857988166 [2021-03-26 04:30:26,656 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 409 transitions. [2021-03-26 04:30:26,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 409 transitions. [2021-03-26 04:30:26,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:26,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 409 transitions. [2021-03-26 04:30:26,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.46153846153846) internal successors, (409), 13 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:26,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 52.0) internal successors, (728), 14 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:26,658 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 52.0) internal successors, (728), 14 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:26,658 INFO L185 Difference]: Start difference. First operand has 172 places, 184 transitions, 2720 flow. Second operand 13 states and 409 transitions. [2021-03-26 04:30:26,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 847 transitions, 13582 flow [2021-03-26 04:30:26,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 847 transitions, 13525 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 04:30:26,923 INFO L241 Difference]: Finished difference. Result has 186 places, 188 transitions, 2951 flow [2021-03-26 04:30:26,924 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=2654, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2951, PETRI_PLACES=186, PETRI_TRANSITIONS=188} [2021-03-26 04:30:26,924 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 159 predicate places. [2021-03-26 04:30:26,924 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:26,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 188 transitions, 2951 flow [2021-03-26 04:30:26,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 188 transitions, 2951 flow [2021-03-26 04:30:26,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 186 places, 188 transitions, 2951 flow [2021-03-26 04:30:27,235 INFO L129 PetriNetUnfolder]: 1339/2731 cut-off events. [2021-03-26 04:30:27,235 INFO L130 PetriNetUnfolder]: For 36619/37212 co-relation queries the response was YES. [2021-03-26 04:30:27,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19235 conditions, 2731 events. 1339/2731 cut-off events. For 36619/37212 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 20826 event pairs, 213 based on Foata normal form. 81/2716 useless extension candidates. Maximal degree in co-relation 18412. Up to 1628 conditions per place. [2021-03-26 04:30:27,291 INFO L142 LiptonReduction]: Number of co-enabled transitions 6260 [2021-03-26 04:30:27,306 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:27,306 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:27,307 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 383 [2021-03-26 04:30:27,307 INFO L480 AbstractCegarLoop]: Abstraction has has 186 places, 188 transitions, 2951 flow [2021-03-26 04:30:27,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:27,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:27,307 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:27,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:27,527 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:27,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:27,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1081612115, now seen corresponding path program 8 times [2021-03-26 04:30:27,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:27,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879841346] [2021-03-26 04:30:27,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:27,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:27,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:27,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:27,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:27,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879841346] [2021-03-26 04:30:27,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298527676] [2021-03-26 04:30:27,563 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:27,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:30:27,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:27,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:27,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:27,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:27,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:27,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:27,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:27,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:27,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:27,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:27,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:27,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:27,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:27,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:27,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:27,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:27,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:27,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:27,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:27,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:27,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:27,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:27,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:27,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:27,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:27,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:27,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:27,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:27,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:27,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:27,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:27,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:27,654 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 04:30:27,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:30:27,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:27,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:27,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:30:27,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:27,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:27,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:27,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 04:30:27,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527321862] [2021-03-26 04:30:27,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:27,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:27,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:27,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:27,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 52 [2021-03-26 04:30:27,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 188 transitions, 2951 flow. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:27,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:27,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 52 [2021-03-26 04:30:27,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:28,779 INFO L129 PetriNetUnfolder]: 4965/7559 cut-off events. [2021-03-26 04:30:28,779 INFO L130 PetriNetUnfolder]: For 135065/135194 co-relation queries the response was YES. [2021-03-26 04:30:28,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65834 conditions, 7559 events. 4965/7559 cut-off events. For 135065/135194 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 45779 event pairs, 431 based on Foata normal form. 222/7755 useless extension candidates. Maximal degree in co-relation 64904. Up to 4250 conditions per place. [2021-03-26 04:30:28,870 INFO L132 encePairwiseOnDemand]: 47/52 looper letters, 560 selfloop transitions, 44 changer transitions 0/612 dead transitions. [2021-03-26 04:30:28,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 612 transitions, 10034 flow [2021-03-26 04:30:28,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:30:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:30:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 285 transitions. [2021-03-26 04:30:28,871 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6089743589743589 [2021-03-26 04:30:28,871 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 285 transitions. [2021-03-26 04:30:28,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 285 transitions. [2021-03-26 04:30:28,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:28,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 285 transitions. [2021-03-26 04:30:28,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 31.666666666666668) internal successors, (285), 9 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:28,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 52.0) internal successors, (520), 10 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:28,873 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 52.0) internal successors, (520), 10 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:28,873 INFO L185 Difference]: Start difference. First operand has 186 places, 188 transitions, 2951 flow. Second operand 9 states and 285 transitions. [2021-03-26 04:30:28,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 612 transitions, 10034 flow [2021-03-26 04:30:29,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 612 transitions, 9787 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-03-26 04:30:29,454 INFO L241 Difference]: Finished difference. Result has 189 places, 192 transitions, 2895 flow [2021-03-26 04:30:29,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=2650, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2895, PETRI_PLACES=189, PETRI_TRANSITIONS=192} [2021-03-26 04:30:29,454 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 162 predicate places. [2021-03-26 04:30:29,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:29,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 192 transitions, 2895 flow [2021-03-26 04:30:29,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 192 transitions, 2895 flow [2021-03-26 04:30:29,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 192 transitions, 2895 flow [2021-03-26 04:30:29,748 INFO L129 PetriNetUnfolder]: 1508/3059 cut-off events. [2021-03-26 04:30:29,748 INFO L130 PetriNetUnfolder]: For 39414/40033 co-relation queries the response was YES. [2021-03-26 04:30:29,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21148 conditions, 3059 events. 1508/3059 cut-off events. For 39414/40033 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 23785 event pairs, 228 based on Foata normal form. 106/3084 useless extension candidates. Maximal degree in co-relation 20255. Up to 1820 conditions per place. [2021-03-26 04:30:29,824 INFO L142 LiptonReduction]: Number of co-enabled transitions 6424 [2021-03-26 04:30:29,834 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:29,835 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:29,835 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 04:30:29,835 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 192 transitions, 2895 flow [2021-03-26 04:30:29,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:29,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:29,836 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:30,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-26 04:30:30,036 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:30,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:30,037 INFO L82 PathProgramCache]: Analyzing trace with hash 164552045, now seen corresponding path program 9 times [2021-03-26 04:30:30,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:30,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281189358] [2021-03-26 04:30:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:30,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:30,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:30,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281189358] [2021-03-26 04:30:30,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491356052] [2021-03-26 04:30:30,059 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 04:30:30,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 04:30:30,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:30,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:30,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:30,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:30,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:30,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:30,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:30,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:30,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:30,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:30,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:30,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:30,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:30,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:30,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:30,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:30,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:30,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:30,139 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 04:30:30,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:30,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:30,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 04:30:30,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:30,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:30,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:30,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:30,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:30,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:30,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:30,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:30,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:30,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:30,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947436612] [2021-03-26 04:30:30,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:30,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:30,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:30,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:30,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 52 [2021-03-26 04:30:30,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 192 transitions, 2895 flow. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:30,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:30,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 52 [2021-03-26 04:30:30,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:31,222 INFO L129 PetriNetUnfolder]: 4823/7218 cut-off events. [2021-03-26 04:30:31,223 INFO L130 PetriNetUnfolder]: For 118101/118166 co-relation queries the response was YES. [2021-03-26 04:30:31,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62807 conditions, 7218 events. 4823/7218 cut-off events. For 118101/118166 co-relation queries the response was YES. Maximal size of possible extension queue 512. Compared 41625 event pairs, 61 based on Foata normal form. 49/7243 useless extension candidates. Maximal degree in co-relation 62040. Up to 3942 conditions per place. [2021-03-26 04:30:31,313 INFO L132 encePairwiseOnDemand]: 47/52 looper letters, 574 selfloop transitions, 45 changer transitions 26/653 dead transitions. [2021-03-26 04:30:31,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 653 transitions, 10496 flow [2021-03-26 04:30:31,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 04:30:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 04:30:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions. [2021-03-26 04:30:31,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6019230769230769 [2021-03-26 04:30:31,314 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 313 transitions. [2021-03-26 04:30:31,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 313 transitions. [2021-03-26 04:30:31,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:31,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 313 transitions. [2021-03-26 04:30:31,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:31,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 52.0) internal successors, (572), 11 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:31,315 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 52.0) internal successors, (572), 11 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:31,315 INFO L185 Difference]: Start difference. First operand has 189 places, 192 transitions, 2895 flow. Second operand 10 states and 313 transitions. [2021-03-26 04:30:31,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 653 transitions, 10496 flow [2021-03-26 04:30:31,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 653 transitions, 10346 flow, removed 34 selfloop flow, removed 5 redundant places. [2021-03-26 04:30:31,847 INFO L241 Difference]: Finished difference. Result has 193 places, 189 transitions, 2791 flow [2021-03-26 04:30:31,847 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=2701, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2791, PETRI_PLACES=193, PETRI_TRANSITIONS=189} [2021-03-26 04:30:31,847 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 166 predicate places. [2021-03-26 04:30:31,847 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:31,847 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 189 transitions, 2791 flow [2021-03-26 04:30:31,848 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 189 transitions, 2791 flow [2021-03-26 04:30:31,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 189 transitions, 2791 flow [2021-03-26 04:30:32,118 INFO L129 PetriNetUnfolder]: 1498/2938 cut-off events. [2021-03-26 04:30:32,118 INFO L130 PetriNetUnfolder]: For 38651/39265 co-relation queries the response was YES. [2021-03-26 04:30:32,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20760 conditions, 2938 events. 1498/2938 cut-off events. For 38651/39265 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 21878 event pairs, 207 based on Foata normal form. 105/2957 useless extension candidates. Maximal degree in co-relation 20055. Up to 1799 conditions per place. [2021-03-26 04:30:32,184 INFO L142 LiptonReduction]: Number of co-enabled transitions 6232 [2021-03-26 04:30:32,278 INFO L154 LiptonReduction]: Checked pairs total: 124 [2021-03-26 04:30:32,278 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 04:30:32,278 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 431 [2021-03-26 04:30:32,279 INFO L480 AbstractCegarLoop]: Abstraction has has 193 places, 189 transitions, 2807 flow [2021-03-26 04:30:32,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:32,279 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:32,279 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:32,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-26 04:30:32,483 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:32,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:32,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1667286529, now seen corresponding path program 10 times [2021-03-26 04:30:32,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:32,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815847549] [2021-03-26 04:30:32,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:32,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:32,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:32,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:32,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815847549] [2021-03-26 04:30:32,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270710509] [2021-03-26 04:30:32,503 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:32,536 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 04:30:32,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:32,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:32,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:32,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:32,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:32,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:32,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:32,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:32,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:32,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:32,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:32,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:32,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:32,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:32,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:32,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:32,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:32,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:32,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:32,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:32,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:32,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:32,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:32,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:32,592 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-26 04:30:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:32,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:30:32,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:32,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:32,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:32,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165366277] [2021-03-26 04:30:32,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:32,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:32,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:32,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:32,607 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54 [2021-03-26 04:30:32,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 189 transitions, 2807 flow. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:32,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:32,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54 [2021-03-26 04:30:32,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:33,693 INFO L129 PetriNetUnfolder]: 5220/7937 cut-off events. [2021-03-26 04:30:33,693 INFO L130 PetriNetUnfolder]: For 129543/129633 co-relation queries the response was YES. [2021-03-26 04:30:33,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68357 conditions, 7937 events. 5220/7937 cut-off events. For 129543/129633 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 47898 event pairs, 179 based on Foata normal form. 93/8012 useless extension candidates. Maximal degree in co-relation 67390. Up to 4291 conditions per place. [2021-03-26 04:30:33,799 INFO L132 encePairwiseOnDemand]: 46/54 looper letters, 533 selfloop transitions, 56 changer transitions 4/601 dead transitions. [2021-03-26 04:30:33,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 601 transitions, 9670 flow [2021-03-26 04:30:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:30:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:30:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 290 transitions. [2021-03-26 04:30:33,802 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5967078189300411 [2021-03-26 04:30:33,802 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 290 transitions. [2021-03-26 04:30:33,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 290 transitions. [2021-03-26 04:30:33,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:33,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 290 transitions. [2021-03-26 04:30:33,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 32.22222222222222) internal successors, (290), 9 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:33,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 54.0) internal successors, (540), 10 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:33,803 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 54.0) internal successors, (540), 10 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:33,803 INFO L185 Difference]: Start difference. First operand has 193 places, 189 transitions, 2807 flow. Second operand 9 states and 290 transitions. [2021-03-26 04:30:33,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 601 transitions, 9670 flow [2021-03-26 04:30:34,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 601 transitions, 9471 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-03-26 04:30:34,311 INFO L241 Difference]: Finished difference. Result has 195 places, 195 transitions, 2859 flow [2021-03-26 04:30:34,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2619, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2859, PETRI_PLACES=195, PETRI_TRANSITIONS=195} [2021-03-26 04:30:34,312 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 168 predicate places. [2021-03-26 04:30:34,312 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:34,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 195 transitions, 2859 flow [2021-03-26 04:30:34,312 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 195 transitions, 2859 flow [2021-03-26 04:30:34,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 195 transitions, 2859 flow [2021-03-26 04:30:34,589 INFO L129 PetriNetUnfolder]: 1660/3247 cut-off events. [2021-03-26 04:30:34,589 INFO L130 PetriNetUnfolder]: For 44104/44700 co-relation queries the response was YES. [2021-03-26 04:30:34,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23630 conditions, 3247 events. 1660/3247 cut-off events. For 44104/44700 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 24462 event pairs, 284 based on Foata normal form. 114/3279 useless extension candidates. Maximal degree in co-relation 22722. Up to 1997 conditions per place. [2021-03-26 04:30:34,642 INFO L142 LiptonReduction]: Number of co-enabled transitions 6596 [2021-03-26 04:30:34,655 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:34,655 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:34,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 343 [2021-03-26 04:30:34,656 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 195 transitions, 2859 flow [2021-03-26 04:30:34,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:34,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:34,656 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:34,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-26 04:30:34,857 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:34,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:34,857 INFO L82 PathProgramCache]: Analyzing trace with hash 327587002, now seen corresponding path program 7 times [2021-03-26 04:30:34,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:34,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645691903] [2021-03-26 04:30:34,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:34,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:34,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:34,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645691903] [2021-03-26 04:30:34,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817622023] [2021-03-26 04:30:34,884 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:34,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:34,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:34,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:34,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:34,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:34,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:34,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:34,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:34,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:34,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:34,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:34,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:34,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:34,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:34,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:34,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:34,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:34,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:34,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:34,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:34,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:34,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:34,946 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 04:30:34,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:34,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:34,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:34,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 04:30:34,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:34,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:34,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:34,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:34,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:34,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:34,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:34,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:34,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:34,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:34,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243647220] [2021-03-26 04:30:34,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:34,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:34,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:34,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:34,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54 [2021-03-26 04:30:34,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 195 transitions, 2859 flow. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:34,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:34,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54 [2021-03-26 04:30:34,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:36,132 INFO L129 PetriNetUnfolder]: 5207/8505 cut-off events. [2021-03-26 04:30:36,132 INFO L130 PetriNetUnfolder]: For 142628/142693 co-relation queries the response was YES. [2021-03-26 04:30:36,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69153 conditions, 8505 events. 5207/8505 cut-off events. For 142628/142693 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 59377 event pairs, 606 based on Foata normal form. 75/8568 useless extension candidates. Maximal degree in co-relation 67597. Up to 4290 conditions per place. [2021-03-26 04:30:36,234 INFO L132 encePairwiseOnDemand]: 48/54 looper letters, 678 selfloop transitions, 49 changer transitions 25/760 dead transitions. [2021-03-26 04:30:36,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 760 transitions, 12877 flow [2021-03-26 04:30:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 04:30:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 04:30:36,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 378 transitions. [2021-03-26 04:30:36,236 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2021-03-26 04:30:36,236 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 378 transitions. [2021-03-26 04:30:36,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 378 transitions. [2021-03-26 04:30:36,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:36,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 378 transitions. [2021-03-26 04:30:36,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.5) internal successors, (378), 12 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:36,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 54.0) internal successors, (702), 13 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:36,238 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 54.0) internal successors, (702), 13 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:36,238 INFO L185 Difference]: Start difference. First operand has 195 places, 195 transitions, 2859 flow. Second operand 12 states and 378 transitions. [2021-03-26 04:30:36,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 760 transitions, 12877 flow [2021-03-26 04:30:36,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 760 transitions, 12456 flow, removed 135 selfloop flow, removed 4 redundant places. [2021-03-26 04:30:36,808 INFO L241 Difference]: Finished difference. Result has 205 places, 198 transitions, 2990 flow [2021-03-26 04:30:36,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2760, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2990, PETRI_PLACES=205, PETRI_TRANSITIONS=198} [2021-03-26 04:30:36,809 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 178 predicate places. [2021-03-26 04:30:36,809 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:36,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 198 transitions, 2990 flow [2021-03-26 04:30:36,809 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 198 transitions, 2990 flow [2021-03-26 04:30:36,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 198 transitions, 2990 flow [2021-03-26 04:30:37,122 INFO L129 PetriNetUnfolder]: 1623/3145 cut-off events. [2021-03-26 04:30:37,122 INFO L130 PetriNetUnfolder]: For 42987/43531 co-relation queries the response was YES. [2021-03-26 04:30:37,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23477 conditions, 3145 events. 1623/3145 cut-off events. For 42987/43531 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 23431 event pairs, 329 based on Foata normal form. 66/3134 useless extension candidates. Maximal degree in co-relation 22640. Up to 1991 conditions per place. [2021-03-26 04:30:37,188 INFO L142 LiptonReduction]: Number of co-enabled transitions 6572 [2021-03-26 04:30:37,204 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:37,204 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:37,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 395 [2021-03-26 04:30:37,205 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 198 transitions, 2990 flow [2021-03-26 04:30:37,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:37,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:37,205 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:37,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-26 04:30:37,406 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:37,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:37,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1414761914, now seen corresponding path program 8 times [2021-03-26 04:30:37,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:37,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068409647] [2021-03-26 04:30:37,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:37,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:37,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:37,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:37,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068409647] [2021-03-26 04:30:37,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680157438] [2021-03-26 04:30:37,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:37,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:30:37,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:37,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:37,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:37,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:37,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:37,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:37,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:37,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:37,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:37,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:37,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:37,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:37,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:37,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:37,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:37,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:37,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:37,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:37,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:37,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:37,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:37,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:37,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:37,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:37,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:37,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:37,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:37,538 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-26 04:30:37,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:37,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:37,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:30:37,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:30:37,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:37,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:37,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:37,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:37,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641154157] [2021-03-26 04:30:37,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:37,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:37,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:37,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:37,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54 [2021-03-26 04:30:37,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 198 transitions, 2990 flow. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 7 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:37,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:37,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54 [2021-03-26 04:30:37,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:38,826 INFO L129 PetriNetUnfolder]: 5919/9659 cut-off events. [2021-03-26 04:30:38,827 INFO L130 PetriNetUnfolder]: For 167808/167873 co-relation queries the response was YES. [2021-03-26 04:30:38,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80608 conditions, 9659 events. 5919/9659 cut-off events. For 167808/167873 co-relation queries the response was YES. Maximal size of possible extension queue 671. Compared 68191 event pairs, 1327 based on Foata normal form. 130/9774 useless extension candidates. Maximal degree in co-relation 78861. Up to 5006 conditions per place. [2021-03-26 04:30:38,955 INFO L132 encePairwiseOnDemand]: 48/54 looper letters, 557 selfloop transitions, 61 changer transitions 0/626 dead transitions. [2021-03-26 04:30:38,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 626 transitions, 10425 flow [2021-03-26 04:30:38,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:30:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:30:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 266 transitions. [2021-03-26 04:30:38,956 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6157407407407407 [2021-03-26 04:30:38,956 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 266 transitions. [2021-03-26 04:30:38,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 266 transitions. [2021-03-26 04:30:38,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:38,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 266 transitions. [2021-03-26 04:30:38,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 33.25) internal successors, (266), 8 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:38,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 54.0) internal successors, (486), 9 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:38,958 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 54.0) internal successors, (486), 9 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:38,958 INFO L185 Difference]: Start difference. First operand has 205 places, 198 transitions, 2990 flow. Second operand 8 states and 266 transitions. [2021-03-26 04:30:38,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 626 transitions, 10425 flow [2021-03-26 04:30:39,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 626 transitions, 10197 flow, removed 40 selfloop flow, removed 8 redundant places. [2021-03-26 04:30:39,663 INFO L241 Difference]: Finished difference. Result has 207 places, 206 transitions, 3083 flow [2021-03-26 04:30:39,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2768, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3083, PETRI_PLACES=207, PETRI_TRANSITIONS=206} [2021-03-26 04:30:39,664 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 180 predicate places. [2021-03-26 04:30:39,664 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:39,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 206 transitions, 3083 flow [2021-03-26 04:30:39,664 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 206 transitions, 3083 flow [2021-03-26 04:30:39,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 206 transitions, 3083 flow [2021-03-26 04:30:40,157 INFO L129 PetriNetUnfolder]: 1842/3848 cut-off events. [2021-03-26 04:30:40,157 INFO L130 PetriNetUnfolder]: For 50559/51285 co-relation queries the response was YES. [2021-03-26 04:30:40,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27591 conditions, 3848 events. 1842/3848 cut-off events. For 50559/51285 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31986 event pairs, 368 based on Foata normal form. 102/3856 useless extension candidates. Maximal degree in co-relation 26168. Up to 2305 conditions per place. [2021-03-26 04:30:40,223 INFO L142 LiptonReduction]: Number of co-enabled transitions 7186 [2021-03-26 04:30:40,234 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:40,234 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:40,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 570 [2021-03-26 04:30:40,234 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 206 transitions, 3083 flow [2021-03-26 04:30:40,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 7 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:40,235 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:40,235 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:40,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-26 04:30:40,435 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:40,436 INFO L82 PathProgramCache]: Analyzing trace with hash 773209660, now seen corresponding path program 9 times [2021-03-26 04:30:40,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:40,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75655237] [2021-03-26 04:30:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:40,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:40,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:40,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75655237] [2021-03-26 04:30:40,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666809799] [2021-03-26 04:30:40,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:40,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 04:30:40,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:40,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:40,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:40,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:40,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:40,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:40,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:40,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:40,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:30:40,518 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 04:30:40,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:40,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:40,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:40,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:40,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:40,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:40,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:40,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:40,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:40,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:40,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:40,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:40,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:30:40,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:40,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:40,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:40,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:40,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:40,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:40,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:40,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:40,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 04:30:40,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571233516] [2021-03-26 04:30:40,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:40,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:40,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:40,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:40,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54 [2021-03-26 04:30:40,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 206 transitions, 3083 flow. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:40,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:40,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54 [2021-03-26 04:30:40,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:41,979 INFO L129 PetriNetUnfolder]: 5980/10798 cut-off events. [2021-03-26 04:30:41,979 INFO L130 PetriNetUnfolder]: For 185567/185688 co-relation queries the response was YES. [2021-03-26 04:30:42,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84902 conditions, 10798 events. 5980/10798 cut-off events. For 185567/185688 co-relation queries the response was YES. Maximal size of possible extension queue 827. Compared 90883 event pairs, 409 based on Foata normal form. 168/10959 useless extension candidates. Maximal degree in co-relation 82452. Up to 5079 conditions per place. [2021-03-26 04:30:42,109 INFO L132 encePairwiseOnDemand]: 46/54 looper letters, 869 selfloop transitions, 87 changer transitions 51/1015 dead transitions. [2021-03-26 04:30:42,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 1015 transitions, 16838 flow [2021-03-26 04:30:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 04:30:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 04:30:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 454 transitions. [2021-03-26 04:30:42,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6005291005291006 [2021-03-26 04:30:42,111 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 454 transitions. [2021-03-26 04:30:42,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 454 transitions. [2021-03-26 04:30:42,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:42,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 454 transitions. [2021-03-26 04:30:42,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.42857142857143) internal successors, (454), 14 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:42,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 54.0) internal successors, (810), 15 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:42,112 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 54.0) internal successors, (810), 15 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:42,112 INFO L185 Difference]: Start difference. First operand has 207 places, 206 transitions, 3083 flow. Second operand 14 states and 454 transitions. [2021-03-26 04:30:42,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 1015 transitions, 16838 flow [2021-03-26 04:30:42,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 1015 transitions, 16739 flow, removed 36 selfloop flow, removed 3 redundant places. [2021-03-26 04:30:42,868 INFO L241 Difference]: Finished difference. Result has 222 places, 219 transitions, 3484 flow [2021-03-26 04:30:42,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=2972, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3484, PETRI_PLACES=222, PETRI_TRANSITIONS=219} [2021-03-26 04:30:42,868 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 195 predicate places. [2021-03-26 04:30:42,868 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:42,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 219 transitions, 3484 flow [2021-03-26 04:30:42,868 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 219 transitions, 3484 flow [2021-03-26 04:30:42,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 219 transitions, 3484 flow [2021-03-26 04:30:43,210 INFO L129 PetriNetUnfolder]: 1794/3682 cut-off events. [2021-03-26 04:30:43,210 INFO L130 PetriNetUnfolder]: For 57928/58713 co-relation queries the response was YES. [2021-03-26 04:30:43,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28276 conditions, 3682 events. 1794/3682 cut-off events. For 57928/58713 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 29680 event pairs, 316 based on Foata normal form. 115/3715 useless extension candidates. Maximal degree in co-relation 28133. Up to 2313 conditions per place. [2021-03-26 04:30:43,278 INFO L142 LiptonReduction]: Number of co-enabled transitions 7328 [2021-03-26 04:30:43,396 INFO L154 LiptonReduction]: Checked pairs total: 300 [2021-03-26 04:30:43,396 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 04:30:43,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 528 [2021-03-26 04:30:43,397 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 219 transitions, 3510 flow [2021-03-26 04:30:43,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:43,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:43,397 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:43,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:43,598 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:43,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:43,598 INFO L82 PathProgramCache]: Analyzing trace with hash 650068076, now seen corresponding path program 10 times [2021-03-26 04:30:43,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:43,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532933866] [2021-03-26 04:30:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:43,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:43,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:43,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532933866] [2021-03-26 04:30:43,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510507444] [2021-03-26 04:30:43,627 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:43,646 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 04:30:43,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:43,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 04:30:43,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:43,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:30:43,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:43,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:43,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:43,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:43,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:43,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:43,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:43,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:43,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:30:43,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:43,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:30:43,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:43,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:43,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:43,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:43,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:43,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:43,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:43,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:43,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:43,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:43,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:43,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:30:43,709 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 04:30:43,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:30:43,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:30:43,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:30:43,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:30:43,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:43,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:30:43,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:43,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:43,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 04:30:43,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670802032] [2021-03-26 04:30:43,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:43,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:43,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:43,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:43,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 58 [2021-03-26 04:30:43,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 219 transitions, 3510 flow. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:43,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:43,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 58 [2021-03-26 04:30:43,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:45,163 INFO L129 PetriNetUnfolder]: 6407/10178 cut-off events. [2021-03-26 04:30:45,163 INFO L130 PetriNetUnfolder]: For 207791/207915 co-relation queries the response was YES. [2021-03-26 04:30:45,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91499 conditions, 10178 events. 6407/10178 cut-off events. For 207791/207915 co-relation queries the response was YES. Maximal size of possible extension queue 695. Compared 69559 event pairs, 1823 based on Foata normal form. 311/10472 useless extension candidates. Maximal degree in co-relation 90008. Up to 6067 conditions per place. [2021-03-26 04:30:45,284 INFO L132 encePairwiseOnDemand]: 48/58 looper letters, 668 selfloop transitions, 51 changer transitions 4/731 dead transitions. [2021-03-26 04:30:45,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 731 transitions, 12415 flow [2021-03-26 04:30:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 04:30:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 04:30:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 349 transitions. [2021-03-26 04:30:45,285 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5470219435736677 [2021-03-26 04:30:45,285 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 349 transitions. [2021-03-26 04:30:45,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 349 transitions. [2021-03-26 04:30:45,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:45,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 349 transitions. [2021-03-26 04:30:45,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.727272727272727) internal successors, (349), 11 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:45,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 58.0) internal successors, (696), 12 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:45,287 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 58.0) internal successors, (696), 12 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:45,287 INFO L185 Difference]: Start difference. First operand has 222 places, 219 transitions, 3510 flow. Second operand 11 states and 349 transitions. [2021-03-26 04:30:45,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 731 transitions, 12415 flow [2021-03-26 04:30:46,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 731 transitions, 12049 flow, removed 55 selfloop flow, removed 11 redundant places. [2021-03-26 04:30:46,130 INFO L241 Difference]: Finished difference. Result has 224 places, 229 transitions, 3467 flow [2021-03-26 04:30:46,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=3064, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3467, PETRI_PLACES=224, PETRI_TRANSITIONS=229} [2021-03-26 04:30:46,131 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 197 predicate places. [2021-03-26 04:30:46,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:46,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 229 transitions, 3467 flow [2021-03-26 04:30:46,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 229 transitions, 3467 flow [2021-03-26 04:30:46,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 224 places, 229 transitions, 3467 flow [2021-03-26 04:30:46,505 INFO L129 PetriNetUnfolder]: 2099/4195 cut-off events. [2021-03-26 04:30:46,505 INFO L130 PetriNetUnfolder]: For 60049/61055 co-relation queries the response was YES. [2021-03-26 04:30:46,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31653 conditions, 4195 events. 2099/4195 cut-off events. For 60049/61055 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 33775 event pairs, 419 based on Foata normal form. 143/4261 useless extension candidates. Maximal degree in co-relation 31519. Up to 2676 conditions per place. [2021-03-26 04:30:46,584 INFO L142 LiptonReduction]: Number of co-enabled transitions 7474 [2021-03-26 04:30:46,708 INFO L154 LiptonReduction]: Checked pairs total: 150 [2021-03-26 04:30:46,708 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 04:30:46,708 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 577 [2021-03-26 04:30:46,709 INFO L480 AbstractCegarLoop]: Abstraction has has 224 places, 229 transitions, 3479 flow [2021-03-26 04:30:46,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:46,709 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:46,709 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:46,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-26 04:30:46,930 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:46,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:46,931 INFO L82 PathProgramCache]: Analyzing trace with hash -403598479, now seen corresponding path program 11 times [2021-03-26 04:30:46,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:46,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512510464] [2021-03-26 04:30:46,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:46,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:30:46,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:46,962 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:30:46,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:46,970 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:30:46,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:46,970 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:30:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:46,978 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 04:30:46,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:30:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 04:30:46,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512510464] [2021-03-26 04:30:46,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127350133] [2021-03-26 04:30:46,981 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 04:30:47,027 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 04:30:47,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:47,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:30:47,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:47,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:47,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:47,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:47,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:47,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:30:47,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:47,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:30:47,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:30:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:47,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:30:47,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:30:47,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:30:47,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:30:47,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:30:47,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:30:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:30:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:30:47,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:30:47,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:47,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:30:47,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:47,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:47,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 6 [2021-03-26 04:30:47,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433727981] [2021-03-26 04:30:47,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:30:47,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:47,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:30:47,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:30:47,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 60 [2021-03-26 04:30:47,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 229 transitions, 3479 flow. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 8 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) [2021-03-26 04:30:47,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:47,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 60 [2021-03-26 04:30:47,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:48,651 INFO L129 PetriNetUnfolder]: 6625/10477 cut-off events. [2021-03-26 04:30:48,651 INFO L130 PetriNetUnfolder]: For 177898/177983 co-relation queries the response was YES. [2021-03-26 04:30:48,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93191 conditions, 10477 events. 6625/10477 cut-off events. For 177898/177983 co-relation queries the response was YES. Maximal size of possible extension queue 727. Compared 70581 event pairs, 2152 based on Foata normal form. 22/10478 useless extension candidates. Maximal degree in co-relation 91685. Up to 9241 conditions per place. [2021-03-26 04:30:48,780 INFO L132 encePairwiseOnDemand]: 53/60 looper letters, 253 selfloop transitions, 67 changer transitions 0/328 dead transitions. [2021-03-26 04:30:48,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 328 transitions, 5492 flow [2021-03-26 04:30:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:30:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:30:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 215 transitions. [2021-03-26 04:30:48,781 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4479166666666667 [2021-03-26 04:30:48,781 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 215 transitions. [2021-03-26 04:30:48,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 215 transitions. [2021-03-26 04:30:48,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:48,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 215 transitions. [2021-03-26 04:30:48,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 26.875) internal successors, (215), 8 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:48,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 60.0) internal successors, (540), 9 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:48,782 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 60.0) internal successors, (540), 9 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:48,782 INFO L185 Difference]: Start difference. First operand has 224 places, 229 transitions, 3479 flow. Second operand 8 states and 215 transitions. [2021-03-26 04:30:48,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 328 transitions, 5492 flow [2021-03-26 04:30:49,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 328 transitions, 5357 flow, removed 32 selfloop flow, removed 3 redundant places. [2021-03-26 04:30:49,606 INFO L241 Difference]: Finished difference. Result has 232 places, 267 transitions, 4280 flow [2021-03-26 04:30:49,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=3362, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4280, PETRI_PLACES=232, PETRI_TRANSITIONS=267} [2021-03-26 04:30:49,606 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 205 predicate places. [2021-03-26 04:30:49,606 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:49,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 232 places, 267 transitions, 4280 flow [2021-03-26 04:30:49,607 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 232 places, 267 transitions, 4280 flow [2021-03-26 04:30:49,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 232 places, 267 transitions, 4280 flow [2021-03-26 04:30:49,983 INFO L129 PetriNetUnfolder]: 2101/4124 cut-off events. [2021-03-26 04:30:49,984 INFO L130 PetriNetUnfolder]: For 63055/64245 co-relation queries the response was YES. [2021-03-26 04:30:50,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32084 conditions, 4124 events. 2101/4124 cut-off events. For 63055/64245 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 32442 event pairs, 402 based on Foata normal form. 128/4177 useless extension candidates. Maximal degree in co-relation 31940. Up to 2680 conditions per place. [2021-03-26 04:30:50,062 INFO L142 LiptonReduction]: Number of co-enabled transitions 7872 [2021-03-26 04:30:50,077 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:50,078 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:50,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-03-26 04:30:50,078 INFO L480 AbstractCegarLoop]: Abstraction has has 232 places, 267 transitions, 4280 flow [2021-03-26 04:30:50,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 8 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) [2021-03-26 04:30:50,078 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:50,079 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:50,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:50,296 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:50,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:50,296 INFO L82 PathProgramCache]: Analyzing trace with hash -822121622, now seen corresponding path program 1 times [2021-03-26 04:30:50,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:50,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279586150] [2021-03-26 04:30:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:50,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:50,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,335 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:30:50,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:50,339 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:30:50,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:50,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279586150] [2021-03-26 04:30:50,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975837236] [2021-03-26 04:30:50,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:50,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:30:50,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:50,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:50,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:50,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:50,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:50,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:50,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:50,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:50,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:50,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:50,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:50,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:50,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:50,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:50,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:50,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:50,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:50,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:50,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:50,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:30:50,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:30:50,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:30:50,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:30:50,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:50,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:50,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 5 [2021-03-26 04:30:50,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341072206] [2021-03-26 04:30:50,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:30:50,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:50,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:30:50,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:30:50,462 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 60 [2021-03-26 04:30:50,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 267 transitions, 4280 flow. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:50,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:50,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 60 [2021-03-26 04:30:50,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:52,331 INFO L129 PetriNetUnfolder]: 6766/10736 cut-off events. [2021-03-26 04:30:52,331 INFO L130 PetriNetUnfolder]: For 175463/175573 co-relation queries the response was YES. [2021-03-26 04:30:52,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95334 conditions, 10736 events. 6766/10736 cut-off events. For 175463/175573 co-relation queries the response was YES. Maximal size of possible extension queue 748. Compared 73015 event pairs, 1890 based on Foata normal form. 27/10744 useless extension candidates. Maximal degree in co-relation 93559. Up to 9760 conditions per place. [2021-03-26 04:30:52,444 INFO L132 encePairwiseOnDemand]: 50/60 looper letters, 280 selfloop transitions, 41 changer transitions 0/329 dead transitions. [2021-03-26 04:30:52,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 329 transitions, 5630 flow [2021-03-26 04:30:52,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 04:30:52,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 04:30:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 187 transitions. [2021-03-26 04:30:52,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4452380952380952 [2021-03-26 04:30:52,445 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 187 transitions. [2021-03-26 04:30:52,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 187 transitions. [2021-03-26 04:30:52,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:52,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 187 transitions. [2021-03-26 04:30:52,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 7 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:52,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 60.0) internal successors, (480), 8 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:52,446 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 60.0) internal successors, (480), 8 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:52,446 INFO L185 Difference]: Start difference. First operand has 232 places, 267 transitions, 4280 flow. Second operand 7 states and 187 transitions. [2021-03-26 04:30:52,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 329 transitions, 5630 flow [2021-03-26 04:30:53,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 329 transitions, 5493 flow, removed 62 selfloop flow, removed 2 redundant places. [2021-03-26 04:30:53,184 INFO L241 Difference]: Finished difference. Result has 238 places, 291 transitions, 4649 flow [2021-03-26 04:30:53,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=4143, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4649, PETRI_PLACES=238, PETRI_TRANSITIONS=291} [2021-03-26 04:30:53,184 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 211 predicate places. [2021-03-26 04:30:53,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:53,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 291 transitions, 4649 flow [2021-03-26 04:30:53,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 291 transitions, 4649 flow [2021-03-26 04:30:53,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 291 transitions, 4649 flow [2021-03-26 04:30:53,671 INFO L129 PetriNetUnfolder]: 2141/4269 cut-off events. [2021-03-26 04:30:53,671 INFO L130 PetriNetUnfolder]: For 63375/63989 co-relation queries the response was YES. [2021-03-26 04:30:53,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33606 conditions, 4269 events. 2141/4269 cut-off events. For 63375/63989 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 34271 event pairs, 386 based on Foata normal form. 113/4309 useless extension candidates. Maximal degree in co-relation 33460. Up to 2704 conditions per place. [2021-03-26 04:30:53,746 INFO L142 LiptonReduction]: Number of co-enabled transitions 8046 [2021-03-26 04:30:53,763 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:53,763 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:53,763 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 579 [2021-03-26 04:30:53,763 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 291 transitions, 4649 flow [2021-03-26 04:30:53,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:53,763 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:53,763 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:53,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-26 04:30:53,968 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:53,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:53,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1681649786, now seen corresponding path program 2 times [2021-03-26 04:30:53,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:53,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367989973] [2021-03-26 04:30:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:53,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:53,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:53,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:53,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:30:54,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:30:54,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:54,022 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:30:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:54,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367989973] [2021-03-26 04:30:54,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515833215] [2021-03-26 04:30:54,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:54,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:30:54,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:30:54,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:30:54,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:54,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:54,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:54,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:54,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:54,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:54,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:54,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:54,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:54,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:54,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:54,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:54,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:54,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:54,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:54,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:54,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:54,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:54,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:54,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:54,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:54,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:30:54,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:30:54,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:30:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:54,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:54,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:30:54,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885440328] [2021-03-26 04:30:54,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:30:54,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:54,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:30:54,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:30:54,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 60 [2021-03-26 04:30:54,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 291 transitions, 4649 flow. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 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) [2021-03-26 04:30:54,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:54,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 60 [2021-03-26 04:30:54,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:55,899 INFO L129 PetriNetUnfolder]: 6851/10894 cut-off events. [2021-03-26 04:30:55,900 INFO L130 PetriNetUnfolder]: For 180960/181075 co-relation queries the response was YES. [2021-03-26 04:30:55,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97142 conditions, 10894 events. 6851/10894 cut-off events. For 180960/181075 co-relation queries the response was YES. Maximal size of possible extension queue 772. Compared 74643 event pairs, 1938 based on Foata normal form. 31/10907 useless extension candidates. Maximal degree in co-relation 95374. Up to 9435 conditions per place. [2021-03-26 04:30:56,024 INFO L132 encePairwiseOnDemand]: 50/60 looper letters, 287 selfloop transitions, 97 changer transitions 0/392 dead transitions. [2021-03-26 04:30:56,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 392 transitions, 6684 flow [2021-03-26 04:30:56,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:30:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:30:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 213 transitions. [2021-03-26 04:30:56,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44375 [2021-03-26 04:30:56,026 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 213 transitions. [2021-03-26 04:30:56,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 213 transitions. [2021-03-26 04:30:56,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:30:56,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 213 transitions. [2021-03-26 04:30:56,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 26.625) internal successors, (213), 8 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:56,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 60.0) internal successors, (540), 9 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:56,027 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 60.0) internal successors, (540), 9 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:56,027 INFO L185 Difference]: Start difference. First operand has 238 places, 291 transitions, 4649 flow. Second operand 8 states and 213 transitions. [2021-03-26 04:30:56,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 392 transitions, 6684 flow [2021-03-26 04:30:56,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 392 transitions, 6543 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-03-26 04:30:56,945 INFO L241 Difference]: Finished difference. Result has 244 places, 335 transitions, 5541 flow [2021-03-26 04:30:56,946 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=4516, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5541, PETRI_PLACES=244, PETRI_TRANSITIONS=335} [2021-03-26 04:30:56,946 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 217 predicate places. [2021-03-26 04:30:56,946 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:30:56,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 335 transitions, 5541 flow [2021-03-26 04:30:56,946 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 335 transitions, 5541 flow [2021-03-26 04:30:56,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 335 transitions, 5541 flow [2021-03-26 04:30:57,455 INFO L129 PetriNetUnfolder]: 2166/4332 cut-off events. [2021-03-26 04:30:57,456 INFO L130 PetriNetUnfolder]: For 66795/67871 co-relation queries the response was YES. [2021-03-26 04:30:57,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34222 conditions, 4332 events. 2166/4332 cut-off events. For 66795/67871 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 35270 event pairs, 389 based on Foata normal form. 123/4373 useless extension candidates. Maximal degree in co-relation 34074. Up to 2676 conditions per place. [2021-03-26 04:30:57,531 INFO L142 LiptonReduction]: Number of co-enabled transitions 8236 [2021-03-26 04:30:57,552 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:30:57,553 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:30:57,553 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 607 [2021-03-26 04:30:57,553 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 335 transitions, 5541 flow [2021-03-26 04:30:57,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 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) [2021-03-26 04:30:57,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:30:57,553 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:30:57,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:57,754 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:30:57,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:30:57,754 INFO L82 PathProgramCache]: Analyzing trace with hash 245865493, now seen corresponding path program 1 times [2021-03-26 04:30:57,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:30:57,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012065091] [2021-03-26 04:30:57,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:30:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:57,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:57,787 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:30:57,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:30:57,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:30:57,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:30:57,800 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:30:57,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:57,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012065091] [2021-03-26 04:30:57,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885988581] [2021-03-26 04:30:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:30:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:30:57,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:30:57,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:30:57,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:57,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:57,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:57,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:30:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:30:57,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:30:57,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:57,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:57,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:57,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:30:57,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:30:57,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:30:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:30:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:30:57,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:30:57,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:30:57,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:30:57,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:30:57,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:30:57,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:30:57,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 04:30:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:30:57,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:30:57,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 6 [2021-03-26 04:30:57,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343672744] [2021-03-26 04:30:57,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:30:57,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:30:57,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:30:57,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:30:57,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 60 [2021-03-26 04:30:57,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 335 transitions, 5541 flow. Second operand has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:30:57,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:30:57,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 60 [2021-03-26 04:30:57,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:30:59,996 INFO L129 PetriNetUnfolder]: 7034/11263 cut-off events. [2021-03-26 04:30:59,997 INFO L130 PetriNetUnfolder]: For 191206/191352 co-relation queries the response was YES. [2021-03-26 04:31:00,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100630 conditions, 11263 events. 7034/11263 cut-off events. For 191206/191352 co-relation queries the response was YES. Maximal size of possible extension queue 817. Compared 78651 event pairs, 1973 based on Foata normal form. 43/11286 useless extension candidates. Maximal degree in co-relation 98587. Up to 9959 conditions per place. [2021-03-26 04:31:00,112 INFO L132 encePairwiseOnDemand]: 48/60 looper letters, 346 selfloop transitions, 59 changer transitions 1/414 dead transitions. [2021-03-26 04:31:00,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 414 transitions, 7218 flow [2021-03-26 04:31:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:31:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:31:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 214 transitions. [2021-03-26 04:31:00,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44583333333333336 [2021-03-26 04:31:00,113 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 214 transitions. [2021-03-26 04:31:00,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 214 transitions. [2021-03-26 04:31:00,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:00,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 214 transitions. [2021-03-26 04:31:00,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 26.75) internal successors, (214), 8 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) [2021-03-26 04:31:00,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 60.0) internal successors, (540), 9 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:00,114 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 60.0) internal successors, (540), 9 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:00,114 INFO L185 Difference]: Start difference. First operand has 244 places, 335 transitions, 5541 flow. Second operand 8 states and 214 transitions. [2021-03-26 04:31:00,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 414 transitions, 7218 flow [2021-03-26 04:31:00,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 414 transitions, 6992 flow, removed 109 selfloop flow, removed 1 redundant places. [2021-03-26 04:31:00,989 INFO L241 Difference]: Finished difference. Result has 254 places, 359 transitions, 5914 flow [2021-03-26 04:31:00,989 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=5327, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5914, PETRI_PLACES=254, PETRI_TRANSITIONS=359} [2021-03-26 04:31:00,989 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 227 predicate places. [2021-03-26 04:31:00,989 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:00,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 359 transitions, 5914 flow [2021-03-26 04:31:00,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 359 transitions, 5914 flow [2021-03-26 04:31:00,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 359 transitions, 5914 flow [2021-03-26 04:31:01,493 INFO L129 PetriNetUnfolder]: 2195/4386 cut-off events. [2021-03-26 04:31:01,493 INFO L130 PetriNetUnfolder]: For 72373/73634 co-relation queries the response was YES. [2021-03-26 04:31:01,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34769 conditions, 4386 events. 2195/4386 cut-off events. For 72373/73634 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 35572 event pairs, 396 based on Foata normal form. 163/4467 useless extension candidates. Maximal degree in co-relation 34520. Up to 2654 conditions per place. [2021-03-26 04:31:01,586 INFO L142 LiptonReduction]: Number of co-enabled transitions 8444 [2021-03-26 04:31:01,617 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:31:01,617 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:31:01,617 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 628 [2021-03-26 04:31:01,618 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 359 transitions, 5914 flow [2021-03-26 04:31:01,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:01,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:01,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:01,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-26 04:31:01,818 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:01,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:01,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1455878760, now seen corresponding path program 3 times [2021-03-26 04:31:01,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:01,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228858618] [2021-03-26 04:31:01,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:01,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:01,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:31:01,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:01,893 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:31:01,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:01,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228858618] [2021-03-26 04:31:01,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228188054] [2021-03-26 04:31:01,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:01,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 04:31:01,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:31:01,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:01,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:01,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:01,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:01,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:01,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:01,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:01,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:01,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:01,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:01,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:01,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:01,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:01,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:01,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:01,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:01,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:01,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:01,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:01,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:01,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:01,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:01,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:01,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:01,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:01,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:01,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:01,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:01,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:01,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:01,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:01,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:01,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:01,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:02,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:02,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 5 [2021-03-26 04:31:02,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248360932] [2021-03-26 04:31:02,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:31:02,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:02,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:31:02,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:31:02,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 60 [2021-03-26 04:31:02,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 359 transitions, 5914 flow. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:02,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:02,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 60 [2021-03-26 04:31:02,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:04,075 INFO L129 PetriNetUnfolder]: 7178/11536 cut-off events. [2021-03-26 04:31:04,076 INFO L130 PetriNetUnfolder]: For 194616/194680 co-relation queries the response was YES. [2021-03-26 04:31:04,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102751 conditions, 11536 events. 7178/11536 cut-off events. For 194616/194680 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 81184 event pairs, 2001 based on Foata normal form. 20/11543 useless extension candidates. Maximal degree in co-relation 100690. Up to 10404 conditions per place. [2021-03-26 04:31:04,240 INFO L132 encePairwiseOnDemand]: 47/60 looper letters, 370 selfloop transitions, 41 changer transitions 3/422 dead transitions. [2021-03-26 04:31:04,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 422 transitions, 7553 flow [2021-03-26 04:31:04,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 04:31:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 04:31:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2021-03-26 04:31:04,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2021-03-26 04:31:04,242 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 190 transitions. [2021-03-26 04:31:04,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 190 transitions. [2021-03-26 04:31:04,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:04,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 190 transitions. [2021-03-26 04:31:04,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:04,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 60.0) internal successors, (480), 8 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:04,243 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 60.0) internal successors, (480), 8 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:04,243 INFO L185 Difference]: Start difference. First operand has 254 places, 359 transitions, 5914 flow. Second operand 7 states and 190 transitions. [2021-03-26 04:31:04,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 422 transitions, 7553 flow [2021-03-26 04:31:05,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 422 transitions, 7413 flow, removed 55 selfloop flow, removed 2 redundant places. [2021-03-26 04:31:05,449 INFO L241 Difference]: Finished difference. Result has 261 places, 383 transitions, 6370 flow [2021-03-26 04:31:05,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=5774, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=6370, PETRI_PLACES=261, PETRI_TRANSITIONS=383} [2021-03-26 04:31:05,449 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 234 predicate places. [2021-03-26 04:31:05,449 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:05,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 383 transitions, 6370 flow [2021-03-26 04:31:05,449 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 383 transitions, 6370 flow [2021-03-26 04:31:05,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 383 transitions, 6370 flow [2021-03-26 04:31:05,945 INFO L129 PetriNetUnfolder]: 2241/4523 cut-off events. [2021-03-26 04:31:05,945 INFO L130 PetriNetUnfolder]: For 74579/75992 co-relation queries the response was YES. [2021-03-26 04:31:05,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35485 conditions, 4523 events. 2241/4523 cut-off events. For 74579/75992 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 37259 event pairs, 325 based on Foata normal form. 136/4566 useless extension candidates. Maximal degree in co-relation 35240. Up to 2652 conditions per place. [2021-03-26 04:31:06,043 INFO L142 LiptonReduction]: Number of co-enabled transitions 8584 [2021-03-26 04:31:06,161 INFO L154 LiptonReduction]: Checked pairs total: 94 [2021-03-26 04:31:06,161 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 04:31:06,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 712 [2021-03-26 04:31:06,162 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 383 transitions, 6375 flow [2021-03-26 04:31:06,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:06,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:06,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:06,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:06,367 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:06,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:06,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1078069518, now seen corresponding path program 4 times [2021-03-26 04:31:06,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:06,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434296085] [2021-03-26 04:31:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:06,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:06,408 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:31:06,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:06,419 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:31:06,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:06,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434296085] [2021-03-26 04:31:06,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340748498] [2021-03-26 04:31:06,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 04:31:06,458 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 04:31:06,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:31:06,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:06,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:06,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:06,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:06,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:06,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:06,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:06,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:06,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:06,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:06,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:06,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:06,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:31:06,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:31:06,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:31:06,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:31:06,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:31:06,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:31:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:06,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:06,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:31:06,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428996742] [2021-03-26 04:31:06,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:31:06,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:06,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:31:06,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:31:06,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 61 [2021-03-26 04:31:06,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 383 transitions, 6375 flow. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 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) [2021-03-26 04:31:06,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:06,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 61 [2021-03-26 04:31:06,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:08,749 INFO L129 PetriNetUnfolder]: 7233/11638 cut-off events. [2021-03-26 04:31:08,750 INFO L130 PetriNetUnfolder]: For 202260/202391 co-relation queries the response was YES. [2021-03-26 04:31:08,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104293 conditions, 11638 events. 7233/11638 cut-off events. For 202260/202391 co-relation queries the response was YES. Maximal size of possible extension queue 858. Compared 82402 event pairs, 2024 based on Foata normal form. 37/11657 useless extension candidates. Maximal degree in co-relation 102215. Up to 9767 conditions per place. [2021-03-26 04:31:08,887 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 343 selfloop transitions, 124 changer transitions 5/480 dead transitions. [2021-03-26 04:31:08,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 480 transitions, 8679 flow [2021-03-26 04:31:08,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:31:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:31:08,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 217 transitions. [2021-03-26 04:31:08,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.444672131147541 [2021-03-26 04:31:08,888 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 217 transitions. [2021-03-26 04:31:08,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 217 transitions. [2021-03-26 04:31:08,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:08,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 217 transitions. [2021-03-26 04:31:08,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 27.125) internal successors, (217), 8 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) [2021-03-26 04:31:08,889 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) [2021-03-26 04:31:08,890 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) [2021-03-26 04:31:08,890 INFO L185 Difference]: Start difference. First operand has 261 places, 383 transitions, 6375 flow. Second operand 8 states and 217 transitions. [2021-03-26 04:31:08,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 480 transitions, 8679 flow [2021-03-26 04:31:09,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 480 transitions, 8459 flow, removed 92 selfloop flow, removed 3 redundant places. [2021-03-26 04:31:09,980 INFO L241 Difference]: Finished difference. Result has 269 places, 421 transitions, 7336 flow [2021-03-26 04:31:09,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=6155, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7336, PETRI_PLACES=269, PETRI_TRANSITIONS=421} [2021-03-26 04:31:09,981 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 242 predicate places. [2021-03-26 04:31:09,981 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:09,981 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 421 transitions, 7336 flow [2021-03-26 04:31:09,981 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 421 transitions, 7336 flow [2021-03-26 04:31:09,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 421 transitions, 7336 flow [2021-03-26 04:31:10,663 INFO L129 PetriNetUnfolder]: 2277/4753 cut-off events. [2021-03-26 04:31:10,664 INFO L130 PetriNetUnfolder]: For 76856/77617 co-relation queries the response was YES. [2021-03-26 04:31:10,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37432 conditions, 4753 events. 2277/4753 cut-off events. For 76856/77617 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 40693 event pairs, 311 based on Foata normal form. 120/4773 useless extension candidates. Maximal degree in co-relation 36761. Up to 2619 conditions per place. [2021-03-26 04:31:10,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 8682 [2021-03-26 04:31:10,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:31:10,783 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:31:10,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 803 [2021-03-26 04:31:10,784 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 421 transitions, 7336 flow [2021-03-26 04:31:10,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 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) [2021-03-26 04:31:10,784 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:10,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:10,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-26 04:31:10,985 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:10,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:10,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1206566505, now seen corresponding path program 1 times [2021-03-26 04:31:10,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:10,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767805909] [2021-03-26 04:31:10,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:11,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:11,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,024 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:31:11,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:11,037 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:31:11,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:11,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767805909] [2021-03-26 04:31:11,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744843959] [2021-03-26 04:31:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 04:31:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:11,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:11,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:11,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:11,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:11,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:11,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:11,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:11,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:11,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:11,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:11,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:11,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:11,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:31:11,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:31:11,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:31:11,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:31:11,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:11,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:11,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:11,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:31:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:11,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:11,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:31:11,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031759279] [2021-03-26 04:31:11,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:31:11,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:11,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:31:11,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:31:11,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 61 [2021-03-26 04:31:11,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 421 transitions, 7336 flow. Second operand has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:11,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:11,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 61 [2021-03-26 04:31:11,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:13,366 INFO L129 PetriNetUnfolder]: 7327/11828 cut-off events. [2021-03-26 04:31:13,366 INFO L130 PetriNetUnfolder]: For 209274/209391 co-relation queries the response was YES. [2021-03-26 04:31:13,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106495 conditions, 11828 events. 7327/11828 cut-off events. For 209274/209391 co-relation queries the response was YES. Maximal size of possible extension queue 871. Compared 84472 event pairs, 1940 based on Foata normal form. 40/11854 useless extension candidates. Maximal degree in co-relation 104600. Up to 10307 conditions per place. [2021-03-26 04:31:13,690 INFO L132 encePairwiseOnDemand]: 55/61 looper letters, 445 selfloop transitions, 73 changer transitions 0/526 dead transitions. [2021-03-26 04:31:13,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 526 transitions, 9639 flow [2021-03-26 04:31:13,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:31:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:31:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 208 transitions. [2021-03-26 04:31:13,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4262295081967213 [2021-03-26 04:31:13,691 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 208 transitions. [2021-03-26 04:31:13,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 208 transitions. [2021-03-26 04:31:13,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:13,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 208 transitions. [2021-03-26 04:31:13,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 26.0) internal successors, (208), 8 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:13,692 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) [2021-03-26 04:31:13,692 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) [2021-03-26 04:31:13,692 INFO L185 Difference]: Start difference. First operand has 268 places, 421 transitions, 7336 flow. Second operand 8 states and 208 transitions. [2021-03-26 04:31:13,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 526 transitions, 9639 flow [2021-03-26 04:31:14,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 526 transitions, 9254 flow, removed 168 selfloop flow, removed 4 redundant places. [2021-03-26 04:31:15,006 INFO L241 Difference]: Finished difference. Result has 273 places, 465 transitions, 7896 flow [2021-03-26 04:31:15,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=6951, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7896, PETRI_PLACES=273, PETRI_TRANSITIONS=465} [2021-03-26 04:31:15,008 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 246 predicate places. [2021-03-26 04:31:15,008 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:15,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 465 transitions, 7896 flow [2021-03-26 04:31:15,008 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 465 transitions, 7896 flow [2021-03-26 04:31:15,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 465 transitions, 7896 flow [2021-03-26 04:31:15,699 INFO L129 PetriNetUnfolder]: 2292/4821 cut-off events. [2021-03-26 04:31:15,700 INFO L130 PetriNetUnfolder]: For 73494/74381 co-relation queries the response was YES. [2021-03-26 04:31:15,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37145 conditions, 4821 events. 2292/4821 cut-off events. For 73494/74381 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 41799 event pairs, 305 based on Foata normal form. 161/4873 useless extension candidates. Maximal degree in co-relation 36437. Up to 2558 conditions per place. [2021-03-26 04:31:15,798 INFO L142 LiptonReduction]: Number of co-enabled transitions 8912 [2021-03-26 04:31:15,932 INFO L154 LiptonReduction]: Checked pairs total: 192 [2021-03-26 04:31:15,932 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 04:31:15,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 925 [2021-03-26 04:31:15,933 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 465 transitions, 7906 flow [2021-03-26 04:31:15,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:15,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:15,933 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:16,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:16,134 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:16,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:16,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1605864189, now seen corresponding path program 12 times [2021-03-26 04:31:16,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:16,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779347671] [2021-03-26 04:31:16,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:16,158 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:31:16,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,166 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:16,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:16,172 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:16,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:16,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:16,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:16,180 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 04:31:16,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:31:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 04:31:16,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779347671] [2021-03-26 04:31:16,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631110265] [2021-03-26 04:31:16,183 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:16,216 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 04:31:16,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:31:16,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:16,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:16,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:16,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:16,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:16,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:16,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:31:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:31:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:31:16,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:31:16,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:16,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:16,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:16,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:16,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:31:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:16,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:16,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 5 [2021-03-26 04:31:16,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841967184] [2021-03-26 04:31:16,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:31:16,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:16,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:31:16,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:31:16,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 63 [2021-03-26 04:31:16,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 465 transitions, 7906 flow. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:16,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:16,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 63 [2021-03-26 04:31:16,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:18,870 INFO L129 PetriNetUnfolder]: 7561/12210 cut-off events. [2021-03-26 04:31:18,870 INFO L130 PetriNetUnfolder]: For 207204/207281 co-relation queries the response was YES. [2021-03-26 04:31:18,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109349 conditions, 12210 events. 7561/12210 cut-off events. For 207204/207281 co-relation queries the response was YES. Maximal size of possible extension queue 908. Compared 87840 event pairs, 2193 based on Foata normal form. 10/12206 useless extension candidates. Maximal degree in co-relation 107858. Up to 10843 conditions per place. [2021-03-26 04:31:19,002 INFO L132 encePairwiseOnDemand]: 56/63 looper letters, 487 selfloop transitions, 46 changer transitions 0/541 dead transitions. [2021-03-26 04:31:19,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 541 transitions, 10076 flow [2021-03-26 04:31:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 04:31:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 04:31:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2021-03-26 04:31:19,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4308390022675737 [2021-03-26 04:31:19,003 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 190 transitions. [2021-03-26 04:31:19,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 190 transitions. [2021-03-26 04:31:19,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:19,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 190 transitions. [2021-03-26 04:31:19,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:19,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:19,004 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:19,004 INFO L185 Difference]: Start difference. First operand has 273 places, 465 transitions, 7906 flow. Second operand 7 states and 190 transitions. [2021-03-26 04:31:19,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 541 transitions, 10076 flow [2021-03-26 04:31:20,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 541 transitions, 9886 flow, removed 91 selfloop flow, removed 1 redundant places. [2021-03-26 04:31:20,070 INFO L241 Difference]: Finished difference. Result has 281 places, 494 transitions, 8429 flow [2021-03-26 04:31:20,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=7720, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8429, PETRI_PLACES=281, PETRI_TRANSITIONS=494} [2021-03-26 04:31:20,070 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 254 predicate places. [2021-03-26 04:31:20,070 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:20,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 494 transitions, 8429 flow [2021-03-26 04:31:20,071 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 494 transitions, 8429 flow [2021-03-26 04:31:20,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 494 transitions, 8429 flow [2021-03-26 04:31:20,741 INFO L129 PetriNetUnfolder]: 2335/4728 cut-off events. [2021-03-26 04:31:20,741 INFO L130 PetriNetUnfolder]: For 81175/82801 co-relation queries the response was YES. [2021-03-26 04:31:20,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37753 conditions, 4728 events. 2335/4728 cut-off events. For 81175/82801 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 39567 event pairs, 280 based on Foata normal form. 162/4780 useless extension candidates. Maximal degree in co-relation 37168. Up to 2540 conditions per place. [2021-03-26 04:31:20,849 INFO L142 LiptonReduction]: Number of co-enabled transitions 9270 [2021-03-26 04:31:20,892 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:31:20,892 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:31:20,892 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 822 [2021-03-26 04:31:20,892 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 494 transitions, 8429 flow [2021-03-26 04:31:20,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:20,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:20,893 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:21,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-26 04:31:21,093 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:21,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:21,094 INFO L82 PathProgramCache]: Analyzing trace with hash 936694927, now seen corresponding path program 2 times [2021-03-26 04:31:21,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:21,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001543116] [2021-03-26 04:31:21,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:21,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:21,125 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:31:21,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:31:21,131 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:31:21,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:21,140 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:31:21,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:21,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001543116] [2021-03-26 04:31:21,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291298899] [2021-03-26 04:31:21,143 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:21,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:31:21,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:31:21,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:21,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:21,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:21,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:21,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:21,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:21,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:21,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:21,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:21,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:21,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:31:21,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:21,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:21,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:21,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:21,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:21,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:21,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:21,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:21,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:21,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:21,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 04:31:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:21,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:21,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 6 [2021-03-26 04:31:21,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289728756] [2021-03-26 04:31:21,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:31:21,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:21,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:31:21,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:31:21,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 63 [2021-03-26 04:31:21,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 494 transitions, 8429 flow. Second operand has 8 states, 8 states have (on average 20.125) internal successors, (161), 8 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) [2021-03-26 04:31:21,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:21,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 63 [2021-03-26 04:31:21,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:23,726 INFO L129 PetriNetUnfolder]: 7767/12621 cut-off events. [2021-03-26 04:31:23,726 INFO L130 PetriNetUnfolder]: For 217651/217728 co-relation queries the response was YES. [2021-03-26 04:31:23,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113206 conditions, 12621 events. 7767/12621 cut-off events. For 217651/217728 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 92207 event pairs, 1996 based on Foata normal form. 32/12641 useless extension candidates. Maximal degree in co-relation 111716. Up to 11052 conditions per place. [2021-03-26 04:31:23,873 INFO L132 encePairwiseOnDemand]: 55/63 looper letters, 508 selfloop transitions, 59 changer transitions 3/578 dead transitions. [2021-03-26 04:31:23,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 578 transitions, 10497 flow [2021-03-26 04:31:23,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:31:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:31:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 213 transitions. [2021-03-26 04:31:23,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4226190476190476 [2021-03-26 04:31:23,874 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 213 transitions. [2021-03-26 04:31:23,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 213 transitions. [2021-03-26 04:31:23,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:23,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 213 transitions. [2021-03-26 04:31:23,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 26.625) internal successors, (213), 8 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:23,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:23,875 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:23,875 INFO L185 Difference]: Start difference. First operand has 281 places, 494 transitions, 8429 flow. Second operand 8 states and 213 transitions. [2021-03-26 04:31:23,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 578 transitions, 10497 flow [2021-03-26 04:31:25,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 578 transitions, 10276 flow, removed 99 selfloop flow, removed 2 redundant places. [2021-03-26 04:31:25,175 INFO L241 Difference]: Finished difference. Result has 290 places, 518 transitions, 8827 flow [2021-03-26 04:31:25,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=8208, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=8827, PETRI_PLACES=290, PETRI_TRANSITIONS=518} [2021-03-26 04:31:25,175 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 263 predicate places. [2021-03-26 04:31:25,175 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:25,175 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 518 transitions, 8827 flow [2021-03-26 04:31:25,175 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 518 transitions, 8827 flow [2021-03-26 04:31:25,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 518 transitions, 8827 flow [2021-03-26 04:31:25,872 INFO L129 PetriNetUnfolder]: 2381/5041 cut-off events. [2021-03-26 04:31:25,872 INFO L130 PetriNetUnfolder]: For 84068/84796 co-relation queries the response was YES. [2021-03-26 04:31:25,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39900 conditions, 5041 events. 2381/5041 cut-off events. For 84068/84796 co-relation queries the response was YES. Maximal size of possible extension queue 524. Compared 44316 event pairs, 247 based on Foata normal form. 122/5058 useless extension candidates. Maximal degree in co-relation 39117. Up to 2589 conditions per place. [2021-03-26 04:31:25,965 INFO L142 LiptonReduction]: Number of co-enabled transitions 9508 [2021-03-26 04:31:26,010 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:31:26,010 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:31:26,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 835 [2021-03-26 04:31:26,010 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 518 transitions, 8827 flow [2021-03-26 04:31:26,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 8 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) [2021-03-26 04:31:26,010 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:26,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:26,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-26 04:31:26,211 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:26,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:26,211 INFO L82 PathProgramCache]: Analyzing trace with hash -269078175, now seen corresponding path program 3 times [2021-03-26 04:31:26,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:26,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944751461] [2021-03-26 04:31:26,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:26,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:26,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:31:26,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:26,258 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:31:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:26,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944751461] [2021-03-26 04:31:26,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730744357] [2021-03-26 04:31:26,261 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:26,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 04:31:26,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:31:26,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:26,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:26,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:26,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:26,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:26,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:26,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:26,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:26,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:26,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:26,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:31:26,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:31:26,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:31:26,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:31:26,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:26,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:26,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:26,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:26,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:31:26,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:26,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:26,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:26,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:31:26,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:26,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:26,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:26,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:26,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:26,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:26,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:26,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:26,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:26,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 04:31:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:26,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:26,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 04:31:26,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763656328] [2021-03-26 04:31:26,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:31:26,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:26,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:31:26,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:31:26,382 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 63 [2021-03-26 04:31:26,382 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 518 transitions, 8827 flow. Second operand has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:26,382 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:26,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 63 [2021-03-26 04:31:26,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:29,060 INFO L129 PetriNetUnfolder]: 7840/12679 cut-off events. [2021-03-26 04:31:29,061 INFO L130 PetriNetUnfolder]: For 224220/224402 co-relation queries the response was YES. [2021-03-26 04:31:29,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114712 conditions, 12679 events. 7840/12679 cut-off events. For 224220/224402 co-relation queries the response was YES. Maximal size of possible extension queue 968. Compared 92174 event pairs, 2057 based on Foata normal form. 41/12696 useless extension candidates. Maximal degree in co-relation 113257. Up to 10795 conditions per place. [2021-03-26 04:31:29,211 INFO L132 encePairwiseOnDemand]: 55/63 looper letters, 504 selfloop transitions, 100 changer transitions 9/621 dead transitions. [2021-03-26 04:31:29,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 621 transitions, 11451 flow [2021-03-26 04:31:29,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:31:29,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:31:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 213 transitions. [2021-03-26 04:31:29,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4226190476190476 [2021-03-26 04:31:29,213 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 213 transitions. [2021-03-26 04:31:29,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 213 transitions. [2021-03-26 04:31:29,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:29,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 213 transitions. [2021-03-26 04:31:29,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 26.625) internal successors, (213), 8 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:29,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:29,214 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:29,214 INFO L185 Difference]: Start difference. First operand has 290 places, 518 transitions, 8827 flow. Second operand 8 states and 213 transitions. [2021-03-26 04:31:29,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 621 transitions, 11451 flow [2021-03-26 04:31:30,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 621 transitions, 11291 flow, removed 65 selfloop flow, removed 2 redundant places. [2021-03-26 04:31:30,645 INFO L241 Difference]: Finished difference. Result has 299 places, 554 transitions, 9743 flow [2021-03-26 04:31:30,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=8667, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9743, PETRI_PLACES=299, PETRI_TRANSITIONS=554} [2021-03-26 04:31:30,645 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 272 predicate places. [2021-03-26 04:31:30,645 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:30,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 554 transitions, 9743 flow [2021-03-26 04:31:30,645 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 554 transitions, 9743 flow [2021-03-26 04:31:30,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 554 transitions, 9743 flow [2021-03-26 04:31:31,444 INFO L129 PetriNetUnfolder]: 2389/5050 cut-off events. [2021-03-26 04:31:31,444 INFO L130 PetriNetUnfolder]: For 87933/88761 co-relation queries the response was YES. [2021-03-26 04:31:31,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40423 conditions, 5050 events. 2389/5050 cut-off events. For 87933/88761 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 44429 event pairs, 245 based on Foata normal form. 114/5053 useless extension candidates. Maximal degree in co-relation 39610. Up to 2536 conditions per place. [2021-03-26 04:31:31,539 INFO L142 LiptonReduction]: Number of co-enabled transitions 9636 [2021-03-26 04:31:31,596 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:31:31,596 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:31:31,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 951 [2021-03-26 04:31:31,596 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 554 transitions, 9743 flow [2021-03-26 04:31:31,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:31,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:31,597 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:31,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-26 04:31:31,797 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:31,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:31,797 INFO L82 PathProgramCache]: Analyzing trace with hash -322009193, now seen corresponding path program 11 times [2021-03-26 04:31:31,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:31,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943179401] [2021-03-26 04:31:31,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:31,809 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:31:31,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:31,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:31,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:31,821 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:31,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:31,828 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:31,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:31,828 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 04:31:31,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:31:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 04:31:31,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943179401] [2021-03-26 04:31:31,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107517577] [2021-03-26 04:31:31,831 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:31,849 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:31:31,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:31:31,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:31,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:31,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:31,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:31,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:31,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:31,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:31,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:31,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:31,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:31,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:31:31,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:31:31,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:31:31,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:31:31,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:31,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:31,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:31,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:31,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:31,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:31,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:31,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 5 [2021-03-26 04:31:31,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601597956] [2021-03-26 04:31:31,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:31:31,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:31,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:31:31,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:31:31,922 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 63 [2021-03-26 04:31:31,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 554 transitions, 9743 flow. Second operand has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:31,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:31,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 63 [2021-03-26 04:31:31,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:34,747 INFO L129 PetriNetUnfolder]: 8088/13168 cut-off events. [2021-03-26 04:31:34,748 INFO L130 PetriNetUnfolder]: For 235676/235913 co-relation queries the response was YES. [2021-03-26 04:31:34,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119355 conditions, 13168 events. 8088/13168 cut-off events. For 235676/235913 co-relation queries the response was YES. Maximal size of possible extension queue 1024. Compared 97355 event pairs, 1826 based on Foata normal form. 41/13186 useless extension candidates. Maximal degree in co-relation 117957. Up to 11669 conditions per place. [2021-03-26 04:31:34,915 INFO L132 encePairwiseOnDemand]: 56/63 looper letters, 576 selfloop transitions, 46 changer transitions 0/630 dead transitions. [2021-03-26 04:31:34,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 630 transitions, 12072 flow [2021-03-26 04:31:34,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 04:31:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 04:31:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2021-03-26 04:31:34,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4308390022675737 [2021-03-26 04:31:34,916 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 190 transitions. [2021-03-26 04:31:34,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 190 transitions. [2021-03-26 04:31:34,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:34,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 190 transitions. [2021-03-26 04:31:34,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:34,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:34,918 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:34,918 INFO L185 Difference]: Start difference. First operand has 299 places, 554 transitions, 9743 flow. Second operand 7 states and 190 transitions. [2021-03-26 04:31:34,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 630 transitions, 12072 flow [2021-03-26 04:31:36,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 630 transitions, 11646 flow, removed 167 selfloop flow, removed 5 redundant places. [2021-03-26 04:31:36,467 INFO L241 Difference]: Finished difference. Result has 303 places, 583 transitions, 9999 flow [2021-03-26 04:31:36,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=9327, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=9999, PETRI_PLACES=303, PETRI_TRANSITIONS=583} [2021-03-26 04:31:36,468 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 276 predicate places. [2021-03-26 04:31:36,468 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:36,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 583 transitions, 9999 flow [2021-03-26 04:31:36,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 583 transitions, 9999 flow [2021-03-26 04:31:36,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 303 places, 583 transitions, 9999 flow [2021-03-26 04:31:37,297 INFO L129 PetriNetUnfolder]: 2438/5133 cut-off events. [2021-03-26 04:31:37,297 INFO L130 PetriNetUnfolder]: For 90520/91548 co-relation queries the response was YES. [2021-03-26 04:31:37,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41089 conditions, 5133 events. 2438/5133 cut-off events. For 90520/91548 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 45188 event pairs, 225 based on Foata normal form. 153/5172 useless extension candidates. Maximal degree in co-relation 40297. Up to 2514 conditions per place. [2021-03-26 04:31:37,400 INFO L142 LiptonReduction]: Number of co-enabled transitions 10020 [2021-03-26 04:31:37,465 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:31:37,465 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:31:37,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 997 [2021-03-26 04:31:37,466 INFO L480 AbstractCegarLoop]: Abstraction has has 303 places, 583 transitions, 9999 flow [2021-03-26 04:31:37,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:37,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:37,466 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:37,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-03-26 04:31:37,667 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:37,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:37,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1472587641, now seen corresponding path program 12 times [2021-03-26 04:31:37,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:37,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901859355] [2021-03-26 04:31:37,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:37,682 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:31:37,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:37,688 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:37,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:37,695 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:31:37,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:37,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:37,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:37,703 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 04:31:37,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:31:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 04:31:37,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901859355] [2021-03-26 04:31:37,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132598742] [2021-03-26 04:31:37,706 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:37,738 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 04:31:37,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:31:37,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:37,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:37,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:37,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:37,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:37,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:37,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:37,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:37,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:37,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:37,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:37,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:37,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:37,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:37,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:37,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:37,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:37,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:37,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:37,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:37,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:37,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 04:31:37,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:37,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 04:31:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:37,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:37,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 6 [2021-03-26 04:31:37,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903131311] [2021-03-26 04:31:37,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:31:37,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:37,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:31:37,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:31:37,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 63 [2021-03-26 04:31:37,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 583 transitions, 9999 flow. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 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) [2021-03-26 04:31:37,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:37,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 63 [2021-03-26 04:31:37,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:40,821 INFO L129 PetriNetUnfolder]: 8394/13792 cut-off events. [2021-03-26 04:31:40,821 INFO L130 PetriNetUnfolder]: For 243047/243247 co-relation queries the response was YES. [2021-03-26 04:31:40,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123977 conditions, 13792 events. 8394/13792 cut-off events. For 243047/243247 co-relation queries the response was YES. Maximal size of possible extension queue 1105. Compared 104582 event pairs, 1590 based on Foata normal form. 47/13824 useless extension candidates. Maximal degree in co-relation 122365. Up to 11972 conditions per place. [2021-03-26 04:31:40,996 INFO L132 encePairwiseOnDemand]: 55/63 looper letters, 607 selfloop transitions, 67 changer transitions 0/682 dead transitions. [2021-03-26 04:31:40,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 682 transitions, 12840 flow [2021-03-26 04:31:40,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:31:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:31:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 216 transitions. [2021-03-26 04:31:40,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2021-03-26 04:31:40,998 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 216 transitions. [2021-03-26 04:31:40,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 216 transitions. [2021-03-26 04:31:40,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:40,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 216 transitions. [2021-03-26 04:31:40,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 27.0) internal successors, (216), 8 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) [2021-03-26 04:31:40,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:40,999 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:40,999 INFO L185 Difference]: Start difference. First operand has 303 places, 583 transitions, 9999 flow. Second operand 8 states and 216 transitions. [2021-03-26 04:31:40,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 682 transitions, 12840 flow [2021-03-26 04:31:42,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 682 transitions, 12651 flow, removed 83 selfloop flow, removed 2 redundant places. [2021-03-26 04:31:42,750 INFO L241 Difference]: Finished difference. Result has 312 places, 621 transitions, 10832 flow [2021-03-26 04:31:42,750 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=9810, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10832, PETRI_PLACES=312, PETRI_TRANSITIONS=621} [2021-03-26 04:31:42,750 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 285 predicate places. [2021-03-26 04:31:42,751 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:42,751 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 621 transitions, 10832 flow [2021-03-26 04:31:42,751 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 621 transitions, 10832 flow [2021-03-26 04:31:42,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 312 places, 621 transitions, 10832 flow [2021-03-26 04:31:43,591 INFO L129 PetriNetUnfolder]: 2487/5372 cut-off events. [2021-03-26 04:31:43,591 INFO L130 PetriNetUnfolder]: For 98323/99093 co-relation queries the response was YES. [2021-03-26 04:31:43,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43279 conditions, 5372 events. 2487/5372 cut-off events. For 98323/99093 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 48577 event pairs, 237 based on Foata normal form. 128/5376 useless extension candidates. Maximal degree in co-relation 42627. Up to 2562 conditions per place. [2021-03-26 04:31:43,692 INFO L142 LiptonReduction]: Number of co-enabled transitions 10472 [2021-03-26 04:31:43,755 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:31:43,755 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:31:43,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1005 [2021-03-26 04:31:43,756 INFO L480 AbstractCegarLoop]: Abstraction has has 312 places, 621 transitions, 10832 flow [2021-03-26 04:31:43,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 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) [2021-03-26 04:31:43,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:43,756 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:43,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:43,957 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:43,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1771968779, now seen corresponding path program 13 times [2021-03-26 04:31:43,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:43,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823452299] [2021-03-26 04:31:43,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:43,966 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:31:43,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:43,972 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:43,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:43,978 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:43,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:43,985 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:43,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:43,986 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 04:31:43,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:31:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:43,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823452299] [2021-03-26 04:31:43,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299206566] [2021-03-26 04:31:43,988 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:44,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:44,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:44,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:44,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:44,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:44,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:44,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:44,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:44,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:44,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:44,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:44,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:44,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:44,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:44,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:44,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:44,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:44,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:44,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:44,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:44,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:44,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:44,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:31:44,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:44,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 04:31:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:44,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:44,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 5 [2021-03-26 04:31:44,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084246828] [2021-03-26 04:31:44,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:31:44,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:44,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:31:44,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:31:44,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 63 [2021-03-26 04:31:44,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 621 transitions, 10832 flow. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:44,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:44,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 63 [2021-03-26 04:31:44,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:47,312 INFO L129 PetriNetUnfolder]: 8648/14206 cut-off events. [2021-03-26 04:31:47,312 INFO L130 PetriNetUnfolder]: For 264304/264501 co-relation queries the response was YES. [2021-03-26 04:31:47,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129329 conditions, 14206 events. 8648/14206 cut-off events. For 264304/264501 co-relation queries the response was YES. Maximal size of possible extension queue 1141. Compared 108372 event pairs, 2576 based on Foata normal form. 23/14214 useless extension candidates. Maximal degree in co-relation 127709. Up to 12463 conditions per place. [2021-03-26 04:31:47,503 INFO L132 encePairwiseOnDemand]: 56/63 looper letters, 636 selfloop transitions, 52 changer transitions 0/696 dead transitions. [2021-03-26 04:31:47,503 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 696 transitions, 13363 flow [2021-03-26 04:31:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 04:31:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 04:31:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 189 transitions. [2021-03-26 04:31:47,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2021-03-26 04:31:47,504 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 189 transitions. [2021-03-26 04:31:47,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 189 transitions. [2021-03-26 04:31:47,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:47,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 189 transitions. [2021-03-26 04:31:47,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 27.0) internal successors, (189), 7 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:47,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:47,505 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:47,505 INFO L185 Difference]: Start difference. First operand has 312 places, 621 transitions, 10832 flow. Second operand 7 states and 189 transitions. [2021-03-26 04:31:47,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 696 transitions, 13363 flow [2021-03-26 04:31:49,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 696 transitions, 13204 flow, removed 77 selfloop flow, removed 1 redundant places. [2021-03-26 04:31:49,217 INFO L241 Difference]: Finished difference. Result has 320 places, 650 transitions, 11430 flow [2021-03-26 04:31:49,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=10673, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=11430, PETRI_PLACES=320, PETRI_TRANSITIONS=650} [2021-03-26 04:31:49,217 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 293 predicate places. [2021-03-26 04:31:49,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:49,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 650 transitions, 11430 flow [2021-03-26 04:31:49,217 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 650 transitions, 11430 flow [2021-03-26 04:31:49,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 320 places, 650 transitions, 11430 flow [2021-03-26 04:31:50,022 INFO L129 PetriNetUnfolder]: 2509/5312 cut-off events. [2021-03-26 04:31:50,023 INFO L130 PetriNetUnfolder]: For 109899/111639 co-relation queries the response was YES. [2021-03-26 04:31:50,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43717 conditions, 5312 events. 2509/5312 cut-off events. For 109899/111639 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 47152 event pairs, 181 based on Foata normal form. 128/5308 useless extension candidates. Maximal degree in co-relation 42762. Up to 2595 conditions per place. [2021-03-26 04:31:50,126 INFO L142 LiptonReduction]: Number of co-enabled transitions 10814 [2021-03-26 04:31:50,296 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 04:31:50,296 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 04:31:50,296 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1079 [2021-03-26 04:31:50,297 INFO L480 AbstractCegarLoop]: Abstraction has has 320 places, 650 transitions, 11453 flow [2021-03-26 04:31:50,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:50,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:50,297 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:50,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-03-26 04:31:50,498 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:50,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:50,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1981630811, now seen corresponding path program 13 times [2021-03-26 04:31:50,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:50,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464595715] [2021-03-26 04:31:50,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:50,508 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 04:31:50,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,520 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:50,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,526 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 04:31:50,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,527 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 04:31:50,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:31:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:50,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464595715] [2021-03-26 04:31:50,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650760678] [2021-03-26 04:31:50,529 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:50,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-26 04:31:50,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:50,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:50,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:50,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:50,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:50,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:50,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:50,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:50,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:50,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:31:50,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:50,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:50,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:50,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:50,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:50,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 04:31:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:50,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:50,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 5 [2021-03-26 04:31:50,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204565239] [2021-03-26 04:31:50,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 04:31:50,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:50,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 04:31:50,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 04:31:50,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 64 [2021-03-26 04:31:50,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 650 transitions, 11453 flow. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:50,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:50,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 64 [2021-03-26 04:31:50,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:31:54,208 INFO L129 PetriNetUnfolder]: 8902/14749 cut-off events. [2021-03-26 04:31:54,208 INFO L130 PetriNetUnfolder]: For 280444/280661 co-relation queries the response was YES. [2021-03-26 04:31:54,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134750 conditions, 14749 events. 8902/14749 cut-off events. For 280444/280661 co-relation queries the response was YES. Maximal size of possible extension queue 1223. Compared 114942 event pairs, 2133 based on Foata normal form. 38/14770 useless extension candidates. Maximal degree in co-relation 133121. Up to 12845 conditions per place. [2021-03-26 04:31:54,387 INFO L132 encePairwiseOnDemand]: 55/64 looper letters, 664 selfloop transitions, 53 changer transitions 0/725 dead transitions. [2021-03-26 04:31:54,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 725 transitions, 14046 flow [2021-03-26 04:31:54,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 04:31:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 04:31:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2021-03-26 04:31:54,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42410714285714285 [2021-03-26 04:31:54,388 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 190 transitions. [2021-03-26 04:31:54,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 190 transitions. [2021-03-26 04:31:54,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:31:54,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 190 transitions. [2021-03-26 04:31:54,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:54,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 64.0) internal successors, (512), 8 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:54,389 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 64.0) internal successors, (512), 8 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:54,389 INFO L185 Difference]: Start difference. First operand has 320 places, 650 transitions, 11453 flow. Second operand 7 states and 190 transitions. [2021-03-26 04:31:54,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 725 transitions, 14046 flow [2021-03-26 04:31:56,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 725 transitions, 13776 flow, removed 120 selfloop flow, removed 2 redundant places. [2021-03-26 04:31:56,145 INFO L241 Difference]: Finished difference. Result has 327 places, 679 transitions, 11950 flow [2021-03-26 04:31:56,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=11183, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=650, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=612, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=11950, PETRI_PLACES=327, PETRI_TRANSITIONS=679} [2021-03-26 04:31:56,145 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 300 predicate places. [2021-03-26 04:31:56,145 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:31:56,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 679 transitions, 11950 flow [2021-03-26 04:31:56,146 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 679 transitions, 11950 flow [2021-03-26 04:31:56,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 327 places, 679 transitions, 11950 flow [2021-03-26 04:31:56,842 INFO L129 PetriNetUnfolder]: 2557/5491 cut-off events. [2021-03-26 04:31:56,843 INFO L130 PetriNetUnfolder]: For 118538/119955 co-relation queries the response was YES. [2021-03-26 04:31:56,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45256 conditions, 5491 events. 2557/5491 cut-off events. For 118538/119955 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 49661 event pairs, 187 based on Foata normal form. 154/5500 useless extension candidates. Maximal degree in co-relation 44541. Up to 2646 conditions per place. [2021-03-26 04:31:56,971 INFO L142 LiptonReduction]: Number of co-enabled transitions 11186 [2021-03-26 04:31:57,196 INFO L154 LiptonReduction]: Checked pairs total: 114 [2021-03-26 04:31:57,196 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 04:31:57,196 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1051 [2021-03-26 04:31:57,197 INFO L480 AbstractCegarLoop]: Abstraction has has 327 places, 679 transitions, 11977 flow [2021-03-26 04:31:57,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:57,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:31:57,197 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:31:57,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-03-26 04:31:57,398 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:31:57,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:31:57,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1100933463, now seen corresponding path program 1 times [2021-03-26 04:31:57,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:31:57,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674801843] [2021-03-26 04:31:57,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:31:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:57,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:31:57,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:57,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:57,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:31:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:57,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674801843] [2021-03-26 04:31:57,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698442300] [2021-03-26 04:31:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 04:31:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:31:57,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:31:57,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:31:57,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:31:57,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:31:57,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:31:57,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:57,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:31:57,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:57,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:31:57,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:31:57,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:31:57,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:57,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:31:57,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:57,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:31:57,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:31:57,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:57,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:57,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:57,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:31:57,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:57,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:57,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:57,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:31:57,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:57,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:31:57,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:57,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:31:57,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:31:57,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:31:57,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:57,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:31:57,514 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-26 04:31:57,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:31:57,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:31:57,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:31:57,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:31:57,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:31:57,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:31:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:31:57,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:31:57,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-26 04:31:57,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45381237] [2021-03-26 04:31:57,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:31:57,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:31:57,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:31:57,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:31:57,530 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 66 [2021-03-26 04:31:57,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 679 transitions, 11977 flow. Second operand has 9 states, 9 states have (on average 25.444444444444443) internal successors, (229), 9 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:31:57,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:31:57,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 66 [2021-03-26 04:31:57,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:32:02,100 INFO L129 PetriNetUnfolder]: 10534/17266 cut-off events. [2021-03-26 04:32:02,101 INFO L130 PetriNetUnfolder]: For 364531/364847 co-relation queries the response was YES. [2021-03-26 04:32:02,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160686 conditions, 17266 events. 10534/17266 cut-off events. For 364531/364847 co-relation queries the response was YES. Maximal size of possible extension queue 1397. Compared 135882 event pairs, 1813 based on Foata normal form. 163/17405 useless extension candidates. Maximal degree in co-relation 159042. Up to 11228 conditions per place. [2021-03-26 04:32:02,338 INFO L132 encePairwiseOnDemand]: 54/66 looper letters, 1440 selfloop transitions, 102 changer transitions 6/1556 dead transitions. [2021-03-26 04:32:02,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 1556 transitions, 29588 flow [2021-03-26 04:32:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 04:32:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 04:32:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 542 transitions. [2021-03-26 04:32:02,339 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.483065953654189 [2021-03-26 04:32:02,339 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 542 transitions. [2021-03-26 04:32:02,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 542 transitions. [2021-03-26 04:32:02,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:32:02,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 542 transitions. [2021-03-26 04:32:02,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.88235294117647) internal successors, (542), 17 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:02,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 66.0) internal successors, (1188), 18 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:02,342 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 66.0) internal successors, (1188), 18 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:02,342 INFO L185 Difference]: Start difference. First operand has 327 places, 679 transitions, 11977 flow. Second operand 17 states and 542 transitions. [2021-03-26 04:32:02,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 1556 transitions, 29588 flow [2021-03-26 04:32:04,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 1556 transitions, 29303 flow, removed 127 selfloop flow, removed 2 redundant places. [2021-03-26 04:32:04,657 INFO L241 Difference]: Finished difference. Result has 350 places, 719 transitions, 12760 flow [2021-03-26 04:32:04,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=11692, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=12760, PETRI_PLACES=350, PETRI_TRANSITIONS=719} [2021-03-26 04:32:04,658 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 323 predicate places. [2021-03-26 04:32:04,658 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:32:04,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 719 transitions, 12760 flow [2021-03-26 04:32:04,658 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 719 transitions, 12760 flow [2021-03-26 04:32:04,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 350 places, 719 transitions, 12760 flow [2021-03-26 04:32:05,629 INFO L129 PetriNetUnfolder]: 3262/6727 cut-off events. [2021-03-26 04:32:05,629 INFO L130 PetriNetUnfolder]: For 159493/161046 co-relation queries the response was YES. [2021-03-26 04:32:05,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58481 conditions, 6727 events. 3262/6727 cut-off events. For 159493/161046 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 60951 event pairs, 324 based on Foata normal form. 246/6818 useless extension candidates. Maximal degree in co-relation 57740. Up to 3505 conditions per place. [2021-03-26 04:32:06,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 12830 [2021-03-26 04:32:06,283 INFO L154 LiptonReduction]: Checked pairs total: 74 [2021-03-26 04:32:06,284 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 04:32:06,284 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1626 [2021-03-26 04:32:06,284 INFO L480 AbstractCegarLoop]: Abstraction has has 350 places, 719 transitions, 12794 flow [2021-03-26 04:32:06,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 25.444444444444443) internal successors, (229), 9 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:06,284 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:32:06,284 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:32:06,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:32:06,485 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:32:06,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:32:06,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1403006347, now seen corresponding path program 2 times [2021-03-26 04:32:06,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:32:06,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056503808] [2021-03-26 04:32:06,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:32:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:32:06,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:32:06,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:32:06,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:32:06,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:32:06,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:32:06,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056503808] [2021-03-26 04:32:06,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353110889] [2021-03-26 04:32:06,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:32:06,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:32:06,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:32:06,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:32:06,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:32:06,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:06,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:32:06,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:32:06,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:32:06,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:32:06,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:32:06,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:32:06,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:06,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:32:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:32:06,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:32:06,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:32:06,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:32:06,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:32:06,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:32:06,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:32:06,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:06,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:06,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:06,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:06,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:06,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:06,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:32:06,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:32:06,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 04:32:06,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:32:06,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:32:06,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:32:06,584 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-26 04:32:06,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:32:06,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:06,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 04:32:06,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:32:06,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:06,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:32:06,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:32:06,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 04:32:06,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979292266] [2021-03-26 04:32:06,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 04:32:06,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:32:06,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 04:32:06,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 04:32:06,599 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 67 [2021-03-26 04:32:06,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 719 transitions, 12794 flow. Second operand has 10 states, 10 states have (on average 25.5) internal successors, (255), 10 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:06,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:32:06,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 67 [2021-03-26 04:32:06,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:32:14,568 INFO L129 PetriNetUnfolder]: 16824/26477 cut-off events. [2021-03-26 04:32:14,569 INFO L130 PetriNetUnfolder]: For 750993/751453 co-relation queries the response was YES. [2021-03-26 04:32:14,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274423 conditions, 26477 events. 16824/26477 cut-off events. For 750993/751453 co-relation queries the response was YES. Maximal size of possible extension queue 1734. Compared 203714 event pairs, 1990 based on Foata normal form. 1403/27841 useless extension candidates. Maximal degree in co-relation 272739. Up to 13551 conditions per place. [2021-03-26 04:32:15,134 INFO L132 encePairwiseOnDemand]: 52/67 looper letters, 2267 selfloop transitions, 302 changer transitions 6/2583 dead transitions. [2021-03-26 04:32:15,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 2583 transitions, 49803 flow [2021-03-26 04:32:15,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-26 04:32:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-26 04:32:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 892 transitions. [2021-03-26 04:32:15,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5120551090700345 [2021-03-26 04:32:15,136 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 892 transitions. [2021-03-26 04:32:15,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 892 transitions. [2021-03-26 04:32:15,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:32:15,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 892 transitions. [2021-03-26 04:32:15,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 34.30769230769231) internal successors, (892), 26 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:15,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 67.0) internal successors, (1809), 27 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:15,139 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 67.0) internal successors, (1809), 27 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:15,140 INFO L185 Difference]: Start difference. First operand has 350 places, 719 transitions, 12794 flow. Second operand 26 states and 892 transitions. [2021-03-26 04:32:15,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 2583 transitions, 49803 flow [2021-03-26 04:32:20,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 2583 transitions, 49622 flow, removed 71 selfloop flow, removed 1 redundant places. [2021-03-26 04:32:20,548 INFO L241 Difference]: Finished difference. Result has 397 places, 829 transitions, 16352 flow [2021-03-26 04:32:20,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=12594, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=16352, PETRI_PLACES=397, PETRI_TRANSITIONS=829} [2021-03-26 04:32:20,548 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 370 predicate places. [2021-03-26 04:32:20,549 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:32:20,549 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 829 transitions, 16352 flow [2021-03-26 04:32:20,549 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 829 transitions, 16352 flow [2021-03-26 04:32:20,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 829 transitions, 16352 flow [2021-03-26 04:32:22,602 INFO L129 PetriNetUnfolder]: 5703/10689 cut-off events. [2021-03-26 04:32:22,602 INFO L130 PetriNetUnfolder]: For 365511/368088 co-relation queries the response was YES. [2021-03-26 04:32:23,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111982 conditions, 10689 events. 5703/10689 cut-off events. For 365511/368088 co-relation queries the response was YES. Maximal size of possible extension queue 973. Compared 93690 event pairs, 909 based on Foata normal form. 407/10941 useless extension candidates. Maximal degree in co-relation 111477. Up to 6629 conditions per place. [2021-03-26 04:32:23,250 INFO L142 LiptonReduction]: Number of co-enabled transitions 19280 [2021-03-26 04:32:23,384 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:32:23,384 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:32:23,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2835 [2021-03-26 04:32:23,384 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 829 transitions, 16352 flow [2021-03-26 04:32:23,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 25.5) internal successors, (255), 10 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:23,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:32:23,384 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:32:23,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-26 04:32:23,585 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:32:23,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:32:23,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1141269836, now seen corresponding path program 1 times [2021-03-26 04:32:23,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:32:23,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142639115] [2021-03-26 04:32:23,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:32:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:32:23,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:32:23,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:32:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:32:23,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142639115] [2021-03-26 04:32:23,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049871429] [2021-03-26 04:32:23,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:32:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:32:23,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:32:23,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:32:23,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:32:23,640 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 04:32:23,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:32:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:32:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:32:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:32:23,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:32:23,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:32:23,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:32:23,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:32:23,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:32:23,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:32:23,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:32:23,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:32:23,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:32:23,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:32:23,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:32:23,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:32:23,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:23,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:32:23,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:32:23,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:32:23,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:32:23,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:23,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:32:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:32:23,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:32:23,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 04:32:23,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524516744] [2021-03-26 04:32:23,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:32:23,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:32:23,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:32:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:32:23,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 67 [2021-03-26 04:32:23,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 829 transitions, 16352 flow. Second operand has 8 states, 8 states have (on average 25.75) internal successors, (206), 8 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:23,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:32:23,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 67 [2021-03-26 04:32:23,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:32:32,175 INFO L129 PetriNetUnfolder]: 16951/26682 cut-off events. [2021-03-26 04:32:32,175 INFO L130 PetriNetUnfolder]: For 931680/932139 co-relation queries the response was YES. [2021-03-26 04:32:32,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 298608 conditions, 26682 events. 16951/26682 cut-off events. For 931680/932139 co-relation queries the response was YES. Maximal size of possible extension queue 1690. Compared 203132 event pairs, 2264 based on Foata normal form. 96/26745 useless extension candidates. Maximal degree in co-relation 296828. Up to 16407 conditions per place. [2021-03-26 04:32:32,741 INFO L132 encePairwiseOnDemand]: 50/67 looper letters, 1416 selfloop transitions, 78 changer transitions 89/1591 dead transitions. [2021-03-26 04:32:32,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 1591 transitions, 32820 flow [2021-03-26 04:32:32,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 04:32:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 04:32:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 358 transitions. [2021-03-26 04:32:32,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48575305291723203 [2021-03-26 04:32:32,742 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 358 transitions. [2021-03-26 04:32:32,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 358 transitions. [2021-03-26 04:32:32,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:32:32,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 358 transitions. [2021-03-26 04:32:32,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.54545454545455) internal successors, (358), 11 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:32,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 67.0) internal successors, (804), 12 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:32,744 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 67.0) internal successors, (804), 12 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:32,744 INFO L185 Difference]: Start difference. First operand has 397 places, 829 transitions, 16352 flow. Second operand 11 states and 358 transitions. [2021-03-26 04:32:32,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 1591 transitions, 32820 flow [2021-03-26 04:32:44,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 1591 transitions, 31429 flow, removed 694 selfloop flow, removed 1 redundant places. [2021-03-26 04:32:44,065 INFO L241 Difference]: Finished difference. Result has 410 places, 832 transitions, 15501 flow [2021-03-26 04:32:44,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=15113, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=829, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=751, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15501, PETRI_PLACES=410, PETRI_TRANSITIONS=832} [2021-03-26 04:32:44,066 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 383 predicate places. [2021-03-26 04:32:44,066 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:32:44,066 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 832 transitions, 15501 flow [2021-03-26 04:32:44,066 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 832 transitions, 15501 flow [2021-03-26 04:32:44,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 832 transitions, 15501 flow [2021-03-26 04:32:46,069 INFO L129 PetriNetUnfolder]: 5733/10858 cut-off events. [2021-03-26 04:32:46,069 INFO L130 PetriNetUnfolder]: For 344719/347165 co-relation queries the response was YES. [2021-03-26 04:32:46,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100280 conditions, 10858 events. 5733/10858 cut-off events. For 344719/347165 co-relation queries the response was YES. Maximal size of possible extension queue 973. Compared 96240 event pairs, 854 based on Foata normal form. 398/11074 useless extension candidates. Maximal degree in co-relation 99767. Up to 6729 conditions per place. [2021-03-26 04:32:46,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 19320 [2021-03-26 04:32:46,536 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:32:46,536 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:32:46,536 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2470 [2021-03-26 04:32:46,537 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 832 transitions, 15501 flow [2021-03-26 04:32:46,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 25.75) internal successors, (206), 8 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:46,537 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:32:46,537 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:32:46,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:32:46,739 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:32:46,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:32:46,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1163080597, now seen corresponding path program 1 times [2021-03-26 04:32:46,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:32:46,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727317856] [2021-03-26 04:32:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:32:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:32:46,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:32:46,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:32:46,789 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:32:46,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:32:46,793 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:32:46,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:32:46,805 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:32:46,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:32:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:32:46,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727317856] [2021-03-26 04:32:46,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046430348] [2021-03-26 04:32:46,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:32:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:32:46,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 04:32:46,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:32:46,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:32:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:32:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:32:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:32:46,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:32:46,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:32:46,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:32:46,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:32:46,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:32:46,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:32:46,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:32:46,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:32:46,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:32:46,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:32:46,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:32:46,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:32:46,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:32:46,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:32:46,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:32:46,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:32:46,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:32:46,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:32:46,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:32:46,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 04:32:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:32:46,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:32:46,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 7 [2021-03-26 04:32:46,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183787361] [2021-03-26 04:32:46,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:32:46,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:32:46,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:32:46,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:32:46,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 67 [2021-03-26 04:32:46,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 832 transitions, 15501 flow. Second operand has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:46,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:32:46,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 67 [2021-03-26 04:32:46,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:32:56,078 INFO L129 PetriNetUnfolder]: 17434/27635 cut-off events. [2021-03-26 04:32:56,078 INFO L130 PetriNetUnfolder]: For 792960/793413 co-relation queries the response was YES. [2021-03-26 04:32:56,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275412 conditions, 27635 events. 17434/27635 cut-off events. For 792960/793413 co-relation queries the response was YES. Maximal size of possible extension queue 1776. Compared 215271 event pairs, 4929 based on Foata normal form. 33/27578 useless extension candidates. Maximal degree in co-relation 273533. Up to 24527 conditions per place. [2021-03-26 04:32:56,591 INFO L132 encePairwiseOnDemand]: 55/67 looper letters, 836 selfloop transitions, 151 changer transitions 0/995 dead transitions. [2021-03-26 04:32:56,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 995 transitions, 20192 flow [2021-03-26 04:32:56,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 04:32:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 04:32:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 244 transitions. [2021-03-26 04:32:56,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4046434494195688 [2021-03-26 04:32:56,592 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 244 transitions. [2021-03-26 04:32:56,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 244 transitions. [2021-03-26 04:32:56,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:32:56,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 244 transitions. [2021-03-26 04:32:56,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 04:32:56,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 67.0) internal successors, (670), 10 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:56,593 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 67.0) internal successors, (670), 10 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:32:56,594 INFO L185 Difference]: Start difference. First operand has 409 places, 832 transitions, 15501 flow. Second operand 9 states and 244 transitions. [2021-03-26 04:32:56,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 995 transitions, 20192 flow [2021-03-26 04:33:04,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 995 transitions, 20056 flow, removed 44 selfloop flow, removed 2 redundant places. [2021-03-26 04:33:04,687 INFO L241 Difference]: Finished difference. Result has 419 places, 912 transitions, 17330 flow [2021-03-26 04:33:04,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=15415, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=832, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=17330, PETRI_PLACES=419, PETRI_TRANSITIONS=912} [2021-03-26 04:33:04,688 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 392 predicate places. [2021-03-26 04:33:04,688 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:33:04,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 419 places, 912 transitions, 17330 flow [2021-03-26 04:33:04,688 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 419 places, 912 transitions, 17330 flow [2021-03-26 04:33:04,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 419 places, 912 transitions, 17330 flow [2021-03-26 04:33:07,084 INFO L129 PetriNetUnfolder]: 5907/11372 cut-off events. [2021-03-26 04:33:07,084 INFO L130 PetriNetUnfolder]: For 327353/330073 co-relation queries the response was YES. [2021-03-26 04:33:07,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103154 conditions, 11372 events. 5907/11372 cut-off events. For 327353/330073 co-relation queries the response was YES. Maximal size of possible extension queue 1053. Compared 102929 event pairs, 918 based on Foata normal form. 419/11609 useless extension candidates. Maximal degree in co-relation 102633. Up to 6955 conditions per place. [2021-03-26 04:33:07,389 INFO L142 LiptonReduction]: Number of co-enabled transitions 19998 [2021-03-26 04:33:07,611 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:33:07,611 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:33:07,611 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2923 [2021-03-26 04:33:07,611 INFO L480 AbstractCegarLoop]: Abstraction has has 419 places, 912 transitions, 17330 flow [2021-03-26 04:33:07,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:07,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:33:07,612 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:33:07,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-26 04:33:07,812 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:33:07,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:33:07,812 INFO L82 PathProgramCache]: Analyzing trace with hash -183064359, now seen corresponding path program 2 times [2021-03-26 04:33:07,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:33:07,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134814288] [2021-03-26 04:33:07,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:33:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:33:07,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:33:07,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:33:07,849 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 04:33:07,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:33:07,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:33:07,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:33:07,863 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:33:07,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:33:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:33:07,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134814288] [2021-03-26 04:33:07,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848658585] [2021-03-26 04:33:07,866 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:33:07,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:33:07,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:33:07,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 04:33:07,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:33:07,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:07,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:07,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:07,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:07,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:07,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:33:07,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:33:07,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:33:07,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:33:07,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:33:07,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:33:07,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:33:07,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:33:07,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:33:07,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:33:07,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:33:07,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:33:07,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:33:07,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:33:07,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:33:07,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:33:07,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 04:33:07,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 04:33:07,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 04:33:07,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:07,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 04:33:08,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 04:33:08,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 04:33:08,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 04:33:08,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 04:33:08,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:08,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 04:33:08,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:33:08,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:33:08,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 8 [2021-03-26 04:33:08,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856962925] [2021-03-26 04:33:08,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 04:33:08,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:33:08,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 04:33:08,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-26 04:33:08,099 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 67 [2021-03-26 04:33:08,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 912 transitions, 17330 flow. Second operand has 10 states, 10 states have (on average 19.6) internal successors, (196), 10 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:08,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:33:08,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 67 [2021-03-26 04:33:08,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:33:18,007 INFO L129 PetriNetUnfolder]: 17890/28542 cut-off events. [2021-03-26 04:33:18,008 INFO L130 PetriNetUnfolder]: For 849629/849850 co-relation queries the response was YES. [2021-03-26 04:33:18,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287687 conditions, 28542 events. 17890/28542 cut-off events. For 849629/849850 co-relation queries the response was YES. Maximal size of possible extension queue 1864. Compared 225637 event pairs, 4823 based on Foata normal form. 41/28504 useless extension candidates. Maximal degree in co-relation 285801. Up to 24916 conditions per place. [2021-03-26 04:33:18,797 INFO L132 encePairwiseOnDemand]: 51/67 looper letters, 886 selfloop transitions, 172 changer transitions 0/1066 dead transitions. [2021-03-26 04:33:18,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1066 transitions, 22068 flow [2021-03-26 04:33:18,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 04:33:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 04:33:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 273 transitions. [2021-03-26 04:33:18,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40746268656716417 [2021-03-26 04:33:18,798 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 273 transitions. [2021-03-26 04:33:18,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 273 transitions. [2021-03-26 04:33:18,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:33:18,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 273 transitions. [2021-03-26 04:33:18,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 27.3) internal successors, (273), 10 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:18,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 67.0) internal successors, (737), 11 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:18,799 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 67.0) internal successors, (737), 11 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:18,799 INFO L185 Difference]: Start difference. First operand has 419 places, 912 transitions, 17330 flow. Second operand 10 states and 273 transitions. [2021-03-26 04:33:18,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1066 transitions, 22068 flow [2021-03-26 04:33:27,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 1066 transitions, 21556 flow, removed 199 selfloop flow, removed 3 redundant places. [2021-03-26 04:33:27,715 INFO L241 Difference]: Finished difference. Result has 430 places, 972 transitions, 18728 flow [2021-03-26 04:33:27,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=16818, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=912, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=756, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18728, PETRI_PLACES=430, PETRI_TRANSITIONS=972} [2021-03-26 04:33:27,716 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 403 predicate places. [2021-03-26 04:33:27,716 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:33:27,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 972 transitions, 18728 flow [2021-03-26 04:33:27,716 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 972 transitions, 18728 flow [2021-03-26 04:33:27,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 430 places, 972 transitions, 18728 flow [2021-03-26 04:33:30,022 INFO L129 PetriNetUnfolder]: 6024/11598 cut-off events. [2021-03-26 04:33:30,022 INFO L130 PetriNetUnfolder]: For 358236/361266 co-relation queries the response was YES. [2021-03-26 04:33:30,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107437 conditions, 11598 events. 6024/11598 cut-off events. For 358236/361266 co-relation queries the response was YES. Maximal size of possible extension queue 1052. Compared 105302 event pairs, 767 based on Foata normal form. 480/11874 useless extension candidates. Maximal degree in co-relation 106814. Up to 7007 conditions per place. [2021-03-26 04:33:30,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 20614 [2021-03-26 04:33:30,909 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:33:30,909 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:33:30,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3193 [2021-03-26 04:33:30,909 INFO L480 AbstractCegarLoop]: Abstraction has has 430 places, 972 transitions, 18728 flow [2021-03-26 04:33:30,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.6) internal successors, (196), 10 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:30,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:33:30,910 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:33:31,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:33:31,110 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:33:31,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:33:31,110 INFO L82 PathProgramCache]: Analyzing trace with hash 899952083, now seen corresponding path program 3 times [2021-03-26 04:33:31,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:33:31,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88940026] [2021-03-26 04:33:31,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:33:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:33:31,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:33:31,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:33:31,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:33:31,159 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:33:31,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:33:31,170 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:33:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:33:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:33:31,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88940026] [2021-03-26 04:33:31,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414107796] [2021-03-26 04:33:31,172 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:33:31,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 04:33:31,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:33:31,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 04:33:31,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:33:31,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:31,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:31,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:31,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:31,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:31,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:33:31,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:33:31,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:33:31,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:33:31,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:33:31,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:33:31,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:33:31,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 04:33:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:33:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:33:31,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:33:31,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:33:31,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:33:31,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:33:31,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:33:31,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:33:31,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 04:33:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:33:31,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:33:31,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-03-26 04:33:31,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160931819] [2021-03-26 04:33:31,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 04:33:31,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:33:31,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 04:33:31,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 04:33:31,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 67 [2021-03-26 04:33:31,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 972 transitions, 18728 flow. Second operand has 10 states, 10 states have (on average 19.4) internal successors, (194), 10 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:31,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:33:31,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 67 [2021-03-26 04:33:31,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:33:41,728 INFO L129 PetriNetUnfolder]: 18981/30166 cut-off events. [2021-03-26 04:33:41,728 INFO L130 PetriNetUnfolder]: For 935726/935947 co-relation queries the response was YES. [2021-03-26 04:33:42,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308336 conditions, 30166 events. 18981/30166 cut-off events. For 935726/935947 co-relation queries the response was YES. Maximal size of possible extension queue 1998. Compared 238799 event pairs, 5300 based on Foata normal form. 29/30110 useless extension candidates. Maximal degree in co-relation 306440. Up to 25398 conditions per place. [2021-03-26 04:33:42,562 INFO L132 encePairwiseOnDemand]: 52/67 looper letters, 913 selfloop transitions, 328 changer transitions 0/1249 dead transitions. [2021-03-26 04:33:42,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 1249 transitions, 26296 flow [2021-03-26 04:33:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 04:33:42,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 04:33:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 275 transitions. [2021-03-26 04:33:42,563 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41044776119402987 [2021-03-26 04:33:42,563 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 275 transitions. [2021-03-26 04:33:42,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 275 transitions. [2021-03-26 04:33:42,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:33:42,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 275 transitions. [2021-03-26 04:33:42,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 27.5) internal successors, (275), 10 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:42,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 67.0) internal successors, (737), 11 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:42,564 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 67.0) internal successors, (737), 11 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:42,564 INFO L185 Difference]: Start difference. First operand has 430 places, 972 transitions, 18728 flow. Second operand 10 states and 275 transitions. [2021-03-26 04:33:42,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 1249 transitions, 26296 flow [2021-03-26 04:33:52,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 1249 transitions, 25723 flow, removed 228 selfloop flow, removed 4 redundant places. [2021-03-26 04:33:52,895 INFO L241 Difference]: Finished difference. Result has 441 places, 1147 transitions, 23018 flow [2021-03-26 04:33:52,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=18161, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=23018, PETRI_PLACES=441, PETRI_TRANSITIONS=1147} [2021-03-26 04:33:52,896 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 414 predicate places. [2021-03-26 04:33:52,896 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:33:52,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 1147 transitions, 23018 flow [2021-03-26 04:33:52,896 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 1147 transitions, 23018 flow [2021-03-26 04:33:52,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 441 places, 1147 transitions, 23018 flow [2021-03-26 04:33:55,693 INFO L129 PetriNetUnfolder]: 6408/12448 cut-off events. [2021-03-26 04:33:55,693 INFO L130 PetriNetUnfolder]: For 402678/406139 co-relation queries the response was YES. [2021-03-26 04:33:55,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116973 conditions, 12448 events. 6408/12448 cut-off events. For 402678/406139 co-relation queries the response was YES. Maximal size of possible extension queue 1133. Compared 114956 event pairs, 688 based on Foata normal form. 608/12849 useless extension candidates. Maximal degree in co-relation 116513. Up to 7406 conditions per place. [2021-03-26 04:33:56,052 INFO L142 LiptonReduction]: Number of co-enabled transitions 21946 [2021-03-26 04:33:56,301 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:33:56,301 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:33:56,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3405 [2021-03-26 04:33:56,302 INFO L480 AbstractCegarLoop]: Abstraction has has 441 places, 1147 transitions, 23018 flow [2021-03-26 04:33:56,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.4) internal successors, (194), 10 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:56,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:33:56,302 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:33:56,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-26 04:33:56,503 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:33:56,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:33:56,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1109336789, now seen corresponding path program 4 times [2021-03-26 04:33:56,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:33:56,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565945710] [2021-03-26 04:33:56,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:33:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:33:56,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:33:56,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:33:56,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:33:56,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:33:56,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:33:56,564 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:33:56,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:33:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:33:56,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565945710] [2021-03-26 04:33:56,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594495558] [2021-03-26 04:33:56,567 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:33:56,607 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 04:33:56,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:33:56,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 04:33:56,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:33:56,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:56,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:56,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:56,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:33:56,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:33:56,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:33:56,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:33:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:33:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:33:56,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:33:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:33:56,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:33:56,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:33:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:33:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:33:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:33:56,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:33:56,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 04:33:56,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 04:33:56,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 04:33:56,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 04:33:56,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 04:33:56,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 04:33:56,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 04:33:56,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 04:33:56,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:33:56,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 04:33:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:33:56,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:33:56,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-03-26 04:33:56,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313054415] [2021-03-26 04:33:56,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 04:33:56,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:33:56,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 04:33:56,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 04:33:56,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 67 [2021-03-26 04:33:56,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 1147 transitions, 23018 flow. Second operand has 10 states, 10 states have (on average 19.5) internal successors, (195), 10 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:33:56,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:33:56,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 67 [2021-03-26 04:33:56,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:34:09,052 INFO L129 PetriNetUnfolder]: 19685/31160 cut-off events. [2021-03-26 04:34:09,053 INFO L130 PetriNetUnfolder]: For 1013923/1014144 co-relation queries the response was YES. [2021-03-26 04:34:10,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326200 conditions, 31160 events. 19685/31160 cut-off events. For 1013923/1014144 co-relation queries the response was YES. Maximal size of possible extension queue 2095. Compared 245589 event pairs, 5552 based on Foata normal form. 37/31120 useless extension candidates. Maximal degree in co-relation 324293. Up to 28012 conditions per place. [2021-03-26 04:34:10,322 INFO L132 encePairwiseOnDemand]: 53/67 looper letters, 1162 selfloop transitions, 196 changer transitions 0/1366 dead transitions. [2021-03-26 04:34:10,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 1366 transitions, 30340 flow [2021-03-26 04:34:10,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 04:34:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 04:34:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 273 transitions. [2021-03-26 04:34:10,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40746268656716417 [2021-03-26 04:34:10,324 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 273 transitions. [2021-03-26 04:34:10,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 273 transitions. [2021-03-26 04:34:10,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:34:10,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 273 transitions. [2021-03-26 04:34:10,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 27.3) internal successors, (273), 10 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:34:10,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 67.0) internal successors, (737), 11 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:34:10,325 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 67.0) internal successors, (737), 11 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:34:10,325 INFO L185 Difference]: Start difference. First operand has 441 places, 1147 transitions, 23018 flow. Second operand 10 states and 273 transitions. [2021-03-26 04:34:10,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 1366 transitions, 30340 flow [2021-03-26 04:34:22,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 1366 transitions, 28918 flow, removed 711 selfloop flow, removed 0 redundant places. [2021-03-26 04:34:22,561 INFO L241 Difference]: Finished difference. Result has 454 places, 1285 transitions, 25808 flow [2021-03-26 04:34:22,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=21938, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=989, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=25808, PETRI_PLACES=454, PETRI_TRANSITIONS=1285} [2021-03-26 04:34:22,563 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 427 predicate places. [2021-03-26 04:34:22,563 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:34:22,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 454 places, 1285 transitions, 25808 flow [2021-03-26 04:34:22,563 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 454 places, 1285 transitions, 25808 flow [2021-03-26 04:34:22,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 1285 transitions, 25808 flow [2021-03-26 04:34:25,847 INFO L129 PetriNetUnfolder]: 6697/13180 cut-off events. [2021-03-26 04:34:25,847 INFO L130 PetriNetUnfolder]: For 407076/410167 co-relation queries the response was YES. [2021-03-26 04:34:26,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122497 conditions, 13180 events. 6697/13180 cut-off events. For 407076/410167 co-relation queries the response was YES. Maximal size of possible extension queue 1174. Compared 124430 event pairs, 640 based on Foata normal form. 550/13542 useless extension candidates. Maximal degree in co-relation 121992. Up to 7377 conditions per place. [2021-03-26 04:34:26,200 INFO L142 LiptonReduction]: Number of co-enabled transitions 22724 [2021-03-26 04:34:26,473 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:34:26,474 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:34:26,474 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3911 [2021-03-26 04:34:26,474 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 1285 transitions, 25808 flow [2021-03-26 04:34:26,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.5) internal successors, (195), 10 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:34:26,474 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:34:26,474 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:34:26,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-26 04:34:26,675 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:34:26,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:34:26,675 INFO L82 PathProgramCache]: Analyzing trace with hash -426849125, now seen corresponding path program 5 times [2021-03-26 04:34:26,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:34:26,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435519938] [2021-03-26 04:34:26,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:34:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:34:26,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:34:26,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:34:26,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:34:26,728 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:34:26,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:34:26,742 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:34:26,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:34:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:34:26,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435519938] [2021-03-26 04:34:26,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783300878] [2021-03-26 04:34:26,746 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:34:26,770 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 04:34:26,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:34:26,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 04:34:26,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:34:26,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:34:26,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:34:26,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:34:26,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:34:26,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:34:26,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:34:26,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:34:26,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:34:26,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:34:26,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:34:26,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:34:26,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:34:26,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:34:26,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:34:26,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:34:26,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:34:26,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:34:26,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:34:26,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:34:26,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:34:26,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:34:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 04:34:26,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 04:34:26,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 04:34:26,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 04:34:26,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:34:26,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 04:34:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:34:26,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:34:26,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-03-26 04:34:26,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051184812] [2021-03-26 04:34:26,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 04:34:26,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:34:26,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 04:34:26,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 04:34:26,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 67 [2021-03-26 04:34:26,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 1285 transitions, 25808 flow. Second operand has 11 states, 11 states have (on average 19.454545454545453) internal successors, (214), 11 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) [2021-03-26 04:34:26,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:34:26,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 67 [2021-03-26 04:34:26,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:34:40,460 INFO L129 PetriNetUnfolder]: 20832/32985 cut-off events. [2021-03-26 04:34:40,460 INFO L130 PetriNetUnfolder]: For 1102516/1103096 co-relation queries the response was YES. [2021-03-26 04:34:41,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 347178 conditions, 32985 events. 20832/32985 cut-off events. For 1102516/1103096 co-relation queries the response was YES. Maximal size of possible extension queue 2241. Compared 262370 event pairs, 5535 based on Foata normal form. 62/32951 useless extension candidates. Maximal degree in co-relation 345267. Up to 27160 conditions per place. [2021-03-26 04:34:41,915 INFO L132 encePairwiseOnDemand]: 49/67 looper letters, 1117 selfloop transitions, 456 changer transitions 0/1581 dead transitions. [2021-03-26 04:34:41,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 1581 transitions, 35286 flow [2021-03-26 04:34:41,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 04:34:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 04:34:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 301 transitions. [2021-03-26 04:34:41,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4084124830393487 [2021-03-26 04:34:41,917 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 301 transitions. [2021-03-26 04:34:41,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 301 transitions. [2021-03-26 04:34:41,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:34:41,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 301 transitions. [2021-03-26 04:34:41,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:34:41,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 67.0) internal successors, (804), 12 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:34:41,918 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 67.0) internal successors, (804), 12 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:34:41,918 INFO L185 Difference]: Start difference. First operand has 454 places, 1285 transitions, 25808 flow. Second operand 11 states and 301 transitions. [2021-03-26 04:34:41,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 1581 transitions, 35286 flow [2021-03-26 04:34:55,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 1581 transitions, 34404 flow, removed 407 selfloop flow, removed 3 redundant places. [2021-03-26 04:34:55,325 INFO L241 Difference]: Finished difference. Result has 468 places, 1474 transitions, 31348 flow [2021-03-26 04:34:55,326 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=24926, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=908, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=31348, PETRI_PLACES=468, PETRI_TRANSITIONS=1474} [2021-03-26 04:34:55,326 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 441 predicate places. [2021-03-26 04:34:55,327 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:34:55,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 1474 transitions, 31348 flow [2021-03-26 04:34:55,327 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 1474 transitions, 31348 flow [2021-03-26 04:34:55,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 1474 transitions, 31348 flow [2021-03-26 04:34:59,153 INFO L129 PetriNetUnfolder]: 7052/13752 cut-off events. [2021-03-26 04:34:59,153 INFO L130 PetriNetUnfolder]: For 481966/485260 co-relation queries the response was YES. [2021-03-26 04:34:59,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133203 conditions, 13752 events. 7052/13752 cut-off events. For 481966/485260 co-relation queries the response was YES. Maximal size of possible extension queue 1309. Compared 129997 event pairs, 706 based on Foata normal form. 633/14169 useless extension candidates. Maximal degree in co-relation 132675. Up to 7592 conditions per place. [2021-03-26 04:34:59,519 INFO L142 LiptonReduction]: Number of co-enabled transitions 24170 [2021-03-26 04:34:59,898 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:34:59,899 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:34:59,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4572 [2021-03-26 04:34:59,899 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 1474 transitions, 31348 flow [2021-03-26 04:34:59,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.454545454545453) internal successors, (214), 11 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) [2021-03-26 04:34:59,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:34:59,899 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:35:00,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:35:00,100 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:35:00,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:35:00,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2090293913, now seen corresponding path program 1 times [2021-03-26 04:35:00,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:35:00,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132572050] [2021-03-26 04:35:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:35:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:35:00,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:00,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:00,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:00,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:35:00,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132572050] [2021-03-26 04:35:00,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918990888] [2021-03-26 04:35:00,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:35:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:35:00,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:35:00,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:35:00,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:00,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:35:00,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:35:00,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:35:00,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:35:00,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:35:00,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:35:00,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:35:00,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:35:00,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:35:00,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:35:00,182 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 04:35:00,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:35:00,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:35:00,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 04:35:00,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:35:00,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:35:00,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:35:00,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:35:00,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:35:00,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:35:00,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:00,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:35:00,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:35:00,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:00,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:35:00,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:35:00,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:00,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:35:00,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:35:00,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 04:35:00,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247350650] [2021-03-26 04:35:00,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 04:35:00,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:35:00,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 04:35:00,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 04:35:00,233 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 67 [2021-03-26 04:35:00,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 1474 transitions, 31348 flow. Second operand has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:35:00,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:35:00,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 67 [2021-03-26 04:35:00,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:35:21,514 INFO L129 PetriNetUnfolder]: 25808/41228 cut-off events. [2021-03-26 04:35:21,515 INFO L130 PetriNetUnfolder]: For 1726550/1726985 co-relation queries the response was YES. [2021-03-26 04:35:23,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 462523 conditions, 41228 events. 25808/41228 cut-off events. For 1726550/1726985 co-relation queries the response was YES. Maximal size of possible extension queue 2748. Compared 341725 event pairs, 852 based on Foata normal form. 535/41669 useless extension candidates. Maximal degree in co-relation 460662. Up to 20070 conditions per place. [2021-03-26 04:35:23,702 INFO L132 encePairwiseOnDemand]: 51/67 looper letters, 3251 selfloop transitions, 967 changer transitions 207/4433 dead transitions. [2021-03-26 04:35:23,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 4433 transitions, 96972 flow [2021-03-26 04:35:23,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-26 04:35:23,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-26 04:35:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 1096 transitions. [2021-03-26 04:35:23,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49570330167345095 [2021-03-26 04:35:23,704 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 1096 transitions. [2021-03-26 04:35:23,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 1096 transitions. [2021-03-26 04:35:23,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:35:23,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 1096 transitions. [2021-03-26 04:35:23,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 33.21212121212121) internal successors, (1096), 33 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:35:23,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 67.0) internal successors, (2278), 34 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:35:23,708 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 67.0) internal successors, (2278), 34 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:35:23,708 INFO L185 Difference]: Start difference. First operand has 468 places, 1474 transitions, 31348 flow. Second operand 33 states and 1096 transitions. [2021-03-26 04:35:23,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 4433 transitions, 96972 flow [2021-03-26 04:35:44,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 4433 transitions, 93806 flow, removed 1452 selfloop flow, removed 4 redundant places. [2021-03-26 04:35:44,896 INFO L241 Difference]: Finished difference. Result has 509 places, 1647 transitions, 38380 flow [2021-03-26 04:35:44,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=29683, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1457, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=809, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=613, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=38380, PETRI_PLACES=509, PETRI_TRANSITIONS=1647} [2021-03-26 04:35:44,897 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 482 predicate places. [2021-03-26 04:35:44,897 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:35:44,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 509 places, 1647 transitions, 38380 flow [2021-03-26 04:35:44,897 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 509 places, 1647 transitions, 38380 flow [2021-03-26 04:35:44,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 1647 transitions, 38380 flow [2021-03-26 04:35:50,406 INFO L129 PetriNetUnfolder]: 8569/17379 cut-off events. [2021-03-26 04:35:50,406 INFO L130 PetriNetUnfolder]: For 726763/731628 co-relation queries the response was YES. [2021-03-26 04:35:50,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182049 conditions, 17379 events. 8569/17379 cut-off events. For 726763/731628 co-relation queries the response was YES. Maximal size of possible extension queue 1668. Compared 176547 event pairs, 826 based on Foata normal form. 758/17854 useless extension candidates. Maximal degree in co-relation 181513. Up to 9509 conditions per place. [2021-03-26 04:35:50,944 INFO L142 LiptonReduction]: Number of co-enabled transitions 30164 [2021-03-26 04:35:51,387 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:35:51,387 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:35:51,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6490 [2021-03-26 04:35:51,388 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 1647 transitions, 38380 flow [2021-03-26 04:35:51,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:35:51,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:35:51,388 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:35:51,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-03-26 04:35:51,592 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:35:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:35:51,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1488188805, now seen corresponding path program 2 times [2021-03-26 04:35:51,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:35:51,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209127977] [2021-03-26 04:35:51,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:35:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:35:51,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:35:51,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209127977] [2021-03-26 04:35:51,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534501078] [2021-03-26 04:35:51,617 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:35:51,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:35:51,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:35:51,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:35:51,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:35:51,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:35:51,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:35:51,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:35:51,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:35:51,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:35:51,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:35:51,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:35:51,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:35:51,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:51,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:35:51,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:35:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:35:51,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:35:51,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:35:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:35:51,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:35:51,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:35:51,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:51,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:35:51,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:35:51,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:35:51,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:35:51,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:35:51,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:35:51,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:35:51,708 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-26 04:35:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:35:51,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:35:51,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 04:35:51,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:35:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:35:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:35:51,721 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:35:51,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:35:51,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-03-26 04:35:51,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70322513] [2021-03-26 04:35:51,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:35:51,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:35:51,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:35:51,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:35:51,723 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 67 [2021-03-26 04:35:51,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 1647 transitions, 38380 flow. Second operand has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 9 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:35:51,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:35:51,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 67 [2021-03-26 04:35:51,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:36:14,699 INFO L129 PetriNetUnfolder]: 26818/42957 cut-off events. [2021-03-26 04:36:14,699 INFO L130 PetriNetUnfolder]: For 1820771/1821400 co-relation queries the response was YES. [2021-03-26 04:36:16,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503988 conditions, 42957 events. 26818/42957 cut-off events. For 1820771/1821400 co-relation queries the response was YES. Maximal size of possible extension queue 2843. Compared 360370 event pairs, 1755 based on Foata normal form. 132/42979 useless extension candidates. Maximal degree in co-relation 502032. Up to 20752 conditions per place. [2021-03-26 04:36:16,574 INFO L132 encePairwiseOnDemand]: 53/67 looper letters, 1549 selfloop transitions, 889 changer transitions 27/2473 dead transitions. [2021-03-26 04:36:16,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 2473 transitions, 58346 flow [2021-03-26 04:36:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 04:36:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 04:36:16,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 457 transitions. [2021-03-26 04:36:16,575 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5246842709529277 [2021-03-26 04:36:16,575 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 457 transitions. [2021-03-26 04:36:16,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 457 transitions. [2021-03-26 04:36:16,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:36:16,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 457 transitions. [2021-03-26 04:36:16,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.15384615384615) internal successors, (457), 13 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:36:16,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 67.0) internal successors, (938), 14 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:36:16,576 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 67.0) internal successors, (938), 14 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:36:16,576 INFO L185 Difference]: Start difference. First operand has 509 places, 1647 transitions, 38380 flow. Second operand 13 states and 457 transitions. [2021-03-26 04:36:16,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 2473 transitions, 58346 flow [2021-03-26 04:37:08,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 2473 transitions, 55810 flow, removed 1109 selfloop flow, removed 5 redundant places. [2021-03-26 04:37:08,766 INFO L241 Difference]: Finished difference. Result has 520 places, 1663 transitions, 39106 flow [2021-03-26 04:37:08,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=35940, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=874, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=762, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=39106, PETRI_PLACES=520, PETRI_TRANSITIONS=1663} [2021-03-26 04:37:08,768 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 493 predicate places. [2021-03-26 04:37:08,768 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:37:08,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 1663 transitions, 39106 flow [2021-03-26 04:37:08,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 1663 transitions, 39106 flow [2021-03-26 04:37:08,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 520 places, 1663 transitions, 39106 flow [2021-03-26 04:37:14,379 INFO L129 PetriNetUnfolder]: 8956/18131 cut-off events. [2021-03-26 04:37:14,379 INFO L130 PetriNetUnfolder]: For 654705/659019 co-relation queries the response was YES. [2021-03-26 04:37:14,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185103 conditions, 18131 events. 8956/18131 cut-off events. For 654705/659019 co-relation queries the response was YES. Maximal size of possible extension queue 1733. Compared 185218 event pairs, 917 based on Foata normal form. 845/18675 useless extension candidates. Maximal degree in co-relation 184559. Up to 10028 conditions per place. [2021-03-26 04:37:14,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 31078 [2021-03-26 04:37:15,444 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:37:15,444 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:37:15,444 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6676 [2021-03-26 04:37:15,445 INFO L480 AbstractCegarLoop]: Abstraction has has 520 places, 1663 transitions, 39106 flow [2021-03-26 04:37:15,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 9 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:37:15,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:37:15,445 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:37:15,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:37:15,646 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:37:15,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:37:15,646 INFO L82 PathProgramCache]: Analyzing trace with hash -384170721, now seen corresponding path program 3 times [2021-03-26 04:37:15,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:37:15,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561622401] [2021-03-26 04:37:15,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:37:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:37:15,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:37:15,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:37:15,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:37:15,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561622401] [2021-03-26 04:37:15,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16436666] [2021-03-26 04:37:15,670 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:37:15,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 04:37:15,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:37:15,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:37:15,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:37:15,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:37:15,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:15,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:37:15,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:37:15,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:15,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:37:15,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:37:15,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:37:15,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:37:15,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:15,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:37:15,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:37:15,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:15,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:37:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:37:15,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:37:15,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:37:15,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:15,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:37:15,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:37:15,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:15,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:37:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 04:37:15,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:37:15,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:37:15,956 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 04:37:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 04:37:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:15,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:37:15,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:37:15,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:37:15,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:37:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:16,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:37:16,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:37:16,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:37:16,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:37:16,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:37:16,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:37:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:37:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:37:16,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:37:16,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-03-26 04:37:16,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983921056] [2021-03-26 04:37:16,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:37:16,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:37:16,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:37:16,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:37:16,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 67 [2021-03-26 04:37:16,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 1663 transitions, 39106 flow. Second operand has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 9 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:37:16,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:37:16,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 67 [2021-03-26 04:37:16,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:37:38,431 INFO L129 PetriNetUnfolder]: 25905/41396 cut-off events. [2021-03-26 04:37:38,431 INFO L130 PetriNetUnfolder]: For 1390414/1390868 co-relation queries the response was YES. [2021-03-26 04:37:40,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 460864 conditions, 41396 events. 25905/41396 cut-off events. For 1390414/1390868 co-relation queries the response was YES. Maximal size of possible extension queue 2734. Compared 343467 event pairs, 1508 based on Foata normal form. 137/41444 useless extension candidates. Maximal degree in co-relation 458881. Up to 20048 conditions per place. [2021-03-26 04:37:40,321 INFO L132 encePairwiseOnDemand]: 52/67 looper letters, 2208 selfloop transitions, 775 changer transitions 115/3106 dead transitions. [2021-03-26 04:37:40,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 3106 transitions, 71822 flow [2021-03-26 04:37:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 04:37:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 04:37:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 649 transitions. [2021-03-26 04:37:40,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4843283582089552 [2021-03-26 04:37:40,323 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 649 transitions. [2021-03-26 04:37:40,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 649 transitions. [2021-03-26 04:37:40,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:37:40,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 649 transitions. [2021-03-26 04:37:40,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.45) internal successors, (649), 20 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:37:40,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 67.0) internal successors, (1407), 21 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:37:40,324 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 67.0) internal successors, (1407), 21 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:37:40,324 INFO L185 Difference]: Start difference. First operand has 520 places, 1663 transitions, 39106 flow. Second operand 20 states and 649 transitions. [2021-03-26 04:37:40,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 3106 transitions, 71822 flow [2021-03-26 04:38:03,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 3106 transitions, 70097 flow, removed 680 selfloop flow, removed 4 redundant places. [2021-03-26 04:38:03,936 INFO L241 Difference]: Finished difference. Result has 541 places, 1637 transitions, 39557 flow [2021-03-26 04:38:03,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=35386, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1572, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=702, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=840, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=39557, PETRI_PLACES=541, PETRI_TRANSITIONS=1637} [2021-03-26 04:38:03,937 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 514 predicate places. [2021-03-26 04:38:03,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:38:03,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 541 places, 1637 transitions, 39557 flow [2021-03-26 04:38:03,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 541 places, 1637 transitions, 39557 flow [2021-03-26 04:38:03,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 540 places, 1637 transitions, 39557 flow [2021-03-26 04:38:09,370 INFO L129 PetriNetUnfolder]: 8665/17310 cut-off events. [2021-03-26 04:38:09,371 INFO L130 PetriNetUnfolder]: For 638528/641749 co-relation queries the response was YES. [2021-03-26 04:38:09,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181492 conditions, 17310 events. 8665/17310 cut-off events. For 638528/641749 co-relation queries the response was YES. Maximal size of possible extension queue 1667. Compared 173992 event pairs, 827 based on Foata normal form. 761/17835 useless extension candidates. Maximal degree in co-relation 180984. Up to 8905 conditions per place. [2021-03-26 04:38:10,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 30634 [2021-03-26 04:38:10,584 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:38:10,584 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:38:10,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6647 [2021-03-26 04:38:10,585 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 1637 transitions, 39557 flow [2021-03-26 04:38:10,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 9 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:38:10,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:38:10,585 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:38:10,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:38:10,800 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:38:10,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:38:10,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1065687755, now seen corresponding path program 1 times [2021-03-26 04:38:10,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:38:10,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200546426] [2021-03-26 04:38:10,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:38:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:38:10,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:38:10,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:38:10,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:38:10,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:38:10,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:38:10,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200546426] [2021-03-26 04:38:10,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163422182] [2021-03-26 04:38:10,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:38:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:38:10,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:38:10,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:38:10,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:38:10,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:38:10,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:38:10,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:38:10,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:38:10,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:38:10,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:38:10,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:38:10,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:38:10,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:38:10,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:38:10,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:38:10,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:38:10,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:38:10,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:38:10,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:38:10,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:38:10,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:38:10,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:38:10,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:38:10,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 04:38:10,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:38:10,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:38:10,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:38:10,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:38:10,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:38:10,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:38:10,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:38:10,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:38:10,914 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-26 04:38:10,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:38:10,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:38:10,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:38:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:38:10,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:38:10,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:38:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:38:10,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:38:10,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-26 04:38:10,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955701763] [2021-03-26 04:38:10,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:38:10,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:38:10,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:38:10,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:38:10,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 67 [2021-03-26 04:38:10,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 1637 transitions, 39557 flow. Second operand has 9 states, 9 states have (on average 25.444444444444443) internal successors, (229), 9 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:38:10,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:38:10,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 67 [2021-03-26 04:38:10,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:38:39,041 INFO L129 PetriNetUnfolder]: 30631/48059 cut-off events. [2021-03-26 04:38:39,041 INFO L130 PetriNetUnfolder]: For 1647252/1647873 co-relation queries the response was YES. [2021-03-26 04:38:41,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 549566 conditions, 48059 events. 30631/48059 cut-off events. For 1647252/1647873 co-relation queries the response was YES. Maximal size of possible extension queue 3152. Compared 399471 event pairs, 7245 based on Foata normal form. 566/48523 useless extension candidates. Maximal degree in co-relation 547464. Up to 34603 conditions per place. [2021-03-26 04:38:41,429 INFO L132 encePairwiseOnDemand]: 58/67 looper letters, 4112 selfloop transitions, 196 changer transitions 22/4338 dead transitions. [2021-03-26 04:38:41,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 4338 transitions, 110590 flow [2021-03-26 04:38:41,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 04:38:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 04:38:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 535 transitions. [2021-03-26 04:38:41,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4697102721685689 [2021-03-26 04:38:41,430 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 535 transitions. [2021-03-26 04:38:41,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 535 transitions. [2021-03-26 04:38:41,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:38:41,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 535 transitions. [2021-03-26 04:38:41,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.470588235294116) internal successors, (535), 17 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:38:41,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 67.0) internal successors, (1206), 18 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:38:41,433 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 67.0) internal successors, (1206), 18 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:38:41,433 INFO L185 Difference]: Start difference. First operand has 540 places, 1637 transitions, 39557 flow. Second operand 17 states and 535 transitions. [2021-03-26 04:38:41,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 4338 transitions, 110590 flow [2021-03-26 04:39:14,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 4338 transitions, 107865 flow, removed 820 selfloop flow, removed 7 redundant places. [2021-03-26 04:39:14,735 INFO L241 Difference]: Finished difference. Result has 558 places, 1679 transitions, 39791 flow [2021-03-26 04:39:14,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=38384, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1637, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=39791, PETRI_PLACES=558, PETRI_TRANSITIONS=1679} [2021-03-26 04:39:14,736 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 531 predicate places. [2021-03-26 04:39:14,736 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:39:14,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 558 places, 1679 transitions, 39791 flow [2021-03-26 04:39:14,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 558 places, 1679 transitions, 39791 flow [2021-03-26 04:39:14,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 1679 transitions, 39791 flow [2021-03-26 04:39:21,248 INFO L129 PetriNetUnfolder]: 10650/20411 cut-off events. [2021-03-26 04:39:21,248 INFO L130 PetriNetUnfolder]: For 818266/823897 co-relation queries the response was YES. [2021-03-26 04:39:21,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220099 conditions, 20411 events. 10650/20411 cut-off events. For 818266/823897 co-relation queries the response was YES. Maximal size of possible extension queue 1910. Compared 201212 event pairs, 1356 based on Foata normal form. 1196/21336 useless extension candidates. Maximal degree in co-relation 219574. Up to 11442 conditions per place. [2021-03-26 04:39:21,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 35044 [2021-03-26 04:39:23,088 INFO L154 LiptonReduction]: Checked pairs total: 214 [2021-03-26 04:39:23,088 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 04:39:23,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8352 [2021-03-26 04:39:23,089 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 1679 transitions, 39835 flow [2021-03-26 04:39:23,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 25.444444444444443) internal successors, (229), 9 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:39:23,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:39:23,089 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:39:23,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-03-26 04:39:23,290 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:39:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:39:23,290 INFO L82 PathProgramCache]: Analyzing trace with hash -737034231, now seen corresponding path program 1 times [2021-03-26 04:39:23,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:39:23,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569615091] [2021-03-26 04:39:23,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:39:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:39:23,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:39:23,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569615091] [2021-03-26 04:39:23,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330092353] [2021-03-26 04:39:23,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:39:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:39:23,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:39:23,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:39:23,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:39:23,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:39:23,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:39:23,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:39:23,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:39:23,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:39:23,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:39:23,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,370 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 04:39:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:39:23,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:39:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:39:23,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:39:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:39:23,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:39:23,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:39:23,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:39:23,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:39:23,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:39:23,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:39:23,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:39:23,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:39:23,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:39:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:39:23,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:39:23,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:39:23,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:39:23,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:39:23,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:39:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:39:23,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:39:23,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-26 04:39:23,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863326243] [2021-03-26 04:39:23,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 04:39:23,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:39:23,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 04:39:23,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-26 04:39:23,429 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 68 [2021-03-26 04:39:23,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 1679 transitions, 39835 flow. Second operand has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 9 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:39:23,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:39:23,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 68 [2021-03-26 04:39:23,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:39:56,123 INFO L129 PetriNetUnfolder]: 31624/55778 cut-off events. [2021-03-26 04:39:56,123 INFO L130 PetriNetUnfolder]: For 1927242/1927642 co-relation queries the response was YES. [2021-03-26 04:39:59,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 595486 conditions, 55778 events. 31624/55778 cut-off events. For 1927242/1927642 co-relation queries the response was YES. Maximal size of possible extension queue 3967. Compared 565183 event pairs, 2599 based on Foata normal form. 270/55964 useless extension candidates. Maximal degree in co-relation 593356. Up to 24398 conditions per place. [2021-03-26 04:39:59,435 INFO L132 encePairwiseOnDemand]: 51/68 looper letters, 5555 selfloop transitions, 314 changer transitions 325/6202 dead transitions. [2021-03-26 04:39:59,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 6202 transitions, 157796 flow [2021-03-26 04:39:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 04:39:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 04:39:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 588 transitions. [2021-03-26 04:39:59,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4803921568627451 [2021-03-26 04:39:59,437 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 588 transitions. [2021-03-26 04:39:59,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 588 transitions. [2021-03-26 04:39:59,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:39:59,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 588 transitions. [2021-03-26 04:39:59,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.666666666666664) internal successors, (588), 18 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:39:59,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 68.0) internal successors, (1292), 19 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:39:59,439 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 68.0) internal successors, (1292), 19 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:39:59,439 INFO L185 Difference]: Start difference. First operand has 558 places, 1679 transitions, 39835 flow. Second operand 18 states and 588 transitions. [2021-03-26 04:39:59,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 6202 transitions, 157796 flow [2021-03-26 04:40:30,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 6202 transitions, 157439 flow, removed 157 selfloop flow, removed 1 redundant places. [2021-03-26 04:40:30,820 INFO L241 Difference]: Finished difference. Result has 581 places, 1687 transitions, 40735 flow [2021-03-26 04:40:30,821 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=39646, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=40735, PETRI_PLACES=581, PETRI_TRANSITIONS=1687} [2021-03-26 04:40:30,821 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 554 predicate places. [2021-03-26 04:40:30,821 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:40:30,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 581 places, 1687 transitions, 40735 flow [2021-03-26 04:40:30,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 581 places, 1687 transitions, 40735 flow [2021-03-26 04:40:30,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 580 places, 1687 transitions, 40735 flow [2021-03-26 04:40:38,204 INFO L129 PetriNetUnfolder]: 11269/22986 cut-off events. [2021-03-26 04:40:38,204 INFO L130 PetriNetUnfolder]: For 910966/916534 co-relation queries the response was YES. [2021-03-26 04:40:38,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245632 conditions, 22986 events. 11269/22986 cut-off events. For 910966/916534 co-relation queries the response was YES. Maximal size of possible extension queue 2152. Compared 244027 event pairs, 1233 based on Foata normal form. 1151/23843 useless extension candidates. Maximal degree in co-relation 245063. Up to 12329 conditions per place. [2021-03-26 04:40:39,589 INFO L142 LiptonReduction]: Number of co-enabled transitions 35496 [2021-03-26 04:40:40,065 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:40:40,065 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:40:40,065 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9244 [2021-03-26 04:40:40,066 INFO L480 AbstractCegarLoop]: Abstraction has has 580 places, 1687 transitions, 40735 flow [2021-03-26 04:40:40,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 25.555555555555557) internal successors, (230), 9 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:40:40,066 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:40:40,066 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:40:40,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:40:40,275 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:40:40,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:40:40,276 INFO L82 PathProgramCache]: Analyzing trace with hash 808203428, now seen corresponding path program 1 times [2021-03-26 04:40:40,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:40:40,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554245719] [2021-03-26 04:40:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:40:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:40:40,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:40:40,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:40:40,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:40:40,324 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 04:40:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:40:40,329 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 04:40:40,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 04:40:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:40:40,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554245719] [2021-03-26 04:40:40,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595534769] [2021-03-26 04:40:40,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:40:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:40:40,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 04:40:40,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:40:40,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:40:40,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:40:40,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:40:40,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:40:40,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:40:40,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:40:40,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:40:40,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:40:40,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 04:40:40,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:40:40,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:40:40,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:40:40,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:40:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:40:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:40:40,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:40:40,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 04:40:40,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:40:40,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:40:40,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:40:40,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:40:40,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:40:40,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:40:40,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:40:40,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:40:40,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 04:40:40,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:40:40,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 04:40:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:40:40,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:40:40,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 8 [2021-03-26 04:40:40,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712821064] [2021-03-26 04:40:40,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 04:40:40,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:40:40,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 04:40:40,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-26 04:40:40,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 68 [2021-03-26 04:40:40,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 1687 transitions, 40735 flow. Second operand has 10 states, 10 states have (on average 19.8) internal successors, (198), 10 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:40:40,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:40:40,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 68 [2021-03-26 04:40:40,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:41:12,175 INFO L129 PetriNetUnfolder]: 32472/52928 cut-off events. [2021-03-26 04:41:12,175 INFO L130 PetriNetUnfolder]: For 1898322/1898607 co-relation queries the response was YES. [2021-03-26 04:41:14,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615084 conditions, 52928 events. 32472/52928 cut-off events. For 1898322/1898607 co-relation queries the response was YES. Maximal size of possible extension queue 3546. Compared 466720 event pairs, 8962 based on Foata normal form. 51/52880 useless extension candidates. Maximal degree in co-relation 612894. Up to 47359 conditions per place. [2021-03-26 04:41:15,162 INFO L132 encePairwiseOnDemand]: 54/68 looper letters, 1698 selfloop transitions, 175 changer transitions 0/1881 dead transitions. [2021-03-26 04:41:15,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 1881 transitions, 48311 flow [2021-03-26 04:41:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 04:41:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 04:41:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 278 transitions. [2021-03-26 04:41:15,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4088235294117647 [2021-03-26 04:41:15,163 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 278 transitions. [2021-03-26 04:41:15,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 278 transitions. [2021-03-26 04:41:15,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:41:15,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 278 transitions. [2021-03-26 04:41:15,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 27.8) internal successors, (278), 10 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:41:15,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:41:15,164 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:41:15,164 INFO L185 Difference]: Start difference. First operand has 580 places, 1687 transitions, 40735 flow. Second operand 10 states and 278 transitions. [2021-03-26 04:41:15,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 1881 transitions, 48311 flow [2021-03-26 04:41:54,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 1881 transitions, 48149 flow, removed 35 selfloop flow, removed 3 redundant places. [2021-03-26 04:41:54,284 INFO L241 Difference]: Finished difference. Result has 589 places, 1777 transitions, 43124 flow [2021-03-26 04:41:54,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=40593, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1687, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=43124, PETRI_PLACES=589, PETRI_TRANSITIONS=1777} [2021-03-26 04:41:54,286 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 562 predicate places. [2021-03-26 04:41:54,286 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:41:54,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 589 places, 1777 transitions, 43124 flow [2021-03-26 04:41:54,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 589 places, 1777 transitions, 43124 flow [2021-03-26 04:41:54,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 589 places, 1777 transitions, 43124 flow [2021-03-26 04:42:02,458 INFO L129 PetriNetUnfolder]: 11460/23406 cut-off events. [2021-03-26 04:42:02,458 INFO L130 PetriNetUnfolder]: For 967849/973477 co-relation queries the response was YES. [2021-03-26 04:42:02,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253273 conditions, 23406 events. 11460/23406 cut-off events. For 967849/973477 co-relation queries the response was YES. Maximal size of possible extension queue 2193. Compared 249489 event pairs, 1453 based on Foata normal form. 1113/24176 useless extension candidates. Maximal degree in co-relation 252704. Up to 12600 conditions per place. [2021-03-26 04:42:03,337 INFO L142 LiptonReduction]: Number of co-enabled transitions 36448 [2021-03-26 04:42:03,822 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:42:03,823 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:42:03,823 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9537 [2021-03-26 04:42:03,823 INFO L480 AbstractCegarLoop]: Abstraction has has 589 places, 1777 transitions, 43124 flow [2021-03-26 04:42:03,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.8) internal successors, (198), 10 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:42:03,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:42:03,823 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:42:04,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-03-26 04:42:04,024 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 04:42:04,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:42:04,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1419553371, now seen corresponding path program 2 times [2021-03-26 04:42:04,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:42:04,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614153368] [2021-03-26 04:42:04,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:42:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:42:04,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:42:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:42:04,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 04:42:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:42:04,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614153368] [2021-03-26 04:42:04,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119502451] [2021-03-26 04:42:04,048 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 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 04:42:04,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 04:42:04,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 04:42:04,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 04:42:04,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 04:42:04,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 04:42:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:42:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:42:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 04:42:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 04:42:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:42:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 04:42:04,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:42:04,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 04:42:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:42:04,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:42:04,097 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 04:42:04,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:42:04,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:42:04,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 04:42:04,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:42:04,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 04:42:04,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:42:04,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:42:04,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:42:04,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 04:42:04,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 04:42:04,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 04:42:04,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:42:04,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 04:42:04,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:42:04,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 04:42:04,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:42:04,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:42:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:42:04,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 04:42:04,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-03-26 04:42:04,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418767640] [2021-03-26 04:42:04,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 04:42:04,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:42:04,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 04:42:04,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 04:42:04,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 68 [2021-03-26 04:42:04,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 1777 transitions, 43124 flow. Second operand has 10 states, 10 states have (on average 25.5) internal successors, (255), 10 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:42:04,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:42:04,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 68 [2021-03-26 04:42:04,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:42:04,401 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown